Orange Pi5 kernel

Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards

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^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    3)  * Self tests for device tree subsystem
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    4)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    5) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    6) #define pr_fmt(fmt) "### dt-test ### " fmt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    8) #include <linux/memblock.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    9) #include <linux/clk.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   10) #include <linux/dma-direct.h> /* to test phys_to_dma/dma_to_phys */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   11) #include <linux/err.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   12) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   13) #include <linux/hashtable.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   14) #include <linux/libfdt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   15) #include <linux/of.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   16) #include <linux/of_address.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   17) #include <linux/of_fdt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   18) #include <linux/of_irq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   19) #include <linux/of_platform.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   20) #include <linux/list.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   21) #include <linux/mutex.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   22) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   23) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   24) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   26) #include <linux/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   27) #include <linux/i2c-mux.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   28) #include <linux/gpio/driver.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   30) #include <linux/bitops.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   32) #include "of_private.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   34) static struct unittest_results {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   35) 	int passed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   36) 	int failed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   37) } unittest_results;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   39) #define unittest(result, fmt, ...) ({ \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   40) 	bool failed = !(result); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   41) 	if (failed) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   42) 		unittest_results.failed++; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   43) 		pr_err("FAIL %s():%i " fmt, __func__, __LINE__, ##__VA_ARGS__); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   44) 	} else { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   45) 		unittest_results.passed++; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   46) 		pr_debug("pass %s():%i\n", __func__, __LINE__); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   47) 	} \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   48) 	failed; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   49) })
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   51) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   52)  * Expected message may have a message level other than KERN_INFO.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   53)  * Print the expected message only if the current loglevel will allow
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   54)  * the actual message to print.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   55)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   56)  * Do not use EXPECT_BEGIN() or EXPECT_END() for messages generated by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   57)  * pr_debug().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   58)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   59) #define EXPECT_BEGIN(level, fmt, ...) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   60) 	printk(level pr_fmt("EXPECT \\ : ") fmt, ##__VA_ARGS__)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   61) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   62) #define EXPECT_END(level, fmt, ...) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   63) 	printk(level pr_fmt("EXPECT / : ") fmt, ##__VA_ARGS__)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   64) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   65) static void __init of_unittest_find_node_by_name(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   66) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   67) 	struct device_node *np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   68) 	const char *options, *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   69) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   70) 	np = of_find_node_by_path("/testcase-data");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   71) 	name = kasprintf(GFP_KERNEL, "%pOF", np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   72) 	unittest(np && !strcmp("/testcase-data", name),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   73) 		"find /testcase-data failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   74) 	of_node_put(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   75) 	kfree(name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   76) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   77) 	/* Test if trailing '/' works */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   78) 	np = of_find_node_by_path("/testcase-data/");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   79) 	unittest(!np, "trailing '/' on /testcase-data/ should fail\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   80) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   81) 	np = of_find_node_by_path("/testcase-data/phandle-tests/consumer-a");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   82) 	name = kasprintf(GFP_KERNEL, "%pOF", np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   83) 	unittest(np && !strcmp("/testcase-data/phandle-tests/consumer-a", name),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   84) 		"find /testcase-data/phandle-tests/consumer-a failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   85) 	of_node_put(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   86) 	kfree(name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   87) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   88) 	np = of_find_node_by_path("testcase-alias");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   89) 	name = kasprintf(GFP_KERNEL, "%pOF", np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   90) 	unittest(np && !strcmp("/testcase-data", name),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   91) 		"find testcase-alias failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   92) 	of_node_put(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   93) 	kfree(name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   94) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   95) 	/* Test if trailing '/' works on aliases */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   96) 	np = of_find_node_by_path("testcase-alias/");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   97) 	unittest(!np, "trailing '/' on testcase-alias/ should fail\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   98) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   99) 	np = of_find_node_by_path("testcase-alias/phandle-tests/consumer-a");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  100) 	name = kasprintf(GFP_KERNEL, "%pOF", np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  101) 	unittest(np && !strcmp("/testcase-data/phandle-tests/consumer-a", name),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  102) 		"find testcase-alias/phandle-tests/consumer-a failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  103) 	of_node_put(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  104) 	kfree(name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  106) 	np = of_find_node_by_path("/testcase-data/missing-path");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  107) 	unittest(!np, "non-existent path returned node %pOF\n", np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  108) 	of_node_put(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  109) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  110) 	np = of_find_node_by_path("missing-alias");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  111) 	unittest(!np, "non-existent alias returned node %pOF\n", np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  112) 	of_node_put(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  113) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  114) 	np = of_find_node_by_path("testcase-alias/missing-path");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  115) 	unittest(!np, "non-existent alias with relative path returned node %pOF\n", np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  116) 	of_node_put(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  117) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  118) 	np = of_find_node_opts_by_path("/testcase-data:testoption", &options);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  119) 	unittest(np && !strcmp("testoption", options),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  120) 		 "option path test failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  121) 	of_node_put(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  122) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  123) 	np = of_find_node_opts_by_path("/testcase-data:test/option", &options);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  124) 	unittest(np && !strcmp("test/option", options),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  125) 		 "option path test, subcase #1 failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  126) 	of_node_put(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  127) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  128) 	np = of_find_node_opts_by_path("/testcase-data/testcase-device1:test/option", &options);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  129) 	unittest(np && !strcmp("test/option", options),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  130) 		 "option path test, subcase #2 failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  131) 	of_node_put(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  132) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  133) 	np = of_find_node_opts_by_path("/testcase-data:testoption", NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  134) 	unittest(np, "NULL option path test failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  135) 	of_node_put(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  136) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  137) 	np = of_find_node_opts_by_path("testcase-alias:testaliasoption",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  138) 				       &options);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  139) 	unittest(np && !strcmp("testaliasoption", options),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  140) 		 "option alias path test failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  141) 	of_node_put(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  142) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  143) 	np = of_find_node_opts_by_path("testcase-alias:test/alias/option",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  144) 				       &options);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  145) 	unittest(np && !strcmp("test/alias/option", options),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  146) 		 "option alias path test, subcase #1 failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  147) 	of_node_put(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  148) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  149) 	np = of_find_node_opts_by_path("testcase-alias:testaliasoption", NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  150) 	unittest(np, "NULL option alias path test failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  151) 	of_node_put(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  152) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  153) 	options = "testoption";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  154) 	np = of_find_node_opts_by_path("testcase-alias", &options);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  155) 	unittest(np && !options, "option clearing test failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  156) 	of_node_put(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  157) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  158) 	options = "testoption";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  159) 	np = of_find_node_opts_by_path("/", &options);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  160) 	unittest(np && !options, "option clearing root node test failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  161) 	of_node_put(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  162) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  163) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  164) static void __init of_unittest_dynamic(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  165) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  166) 	struct device_node *np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  167) 	struct property *prop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  168) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  169) 	np = of_find_node_by_path("/testcase-data");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  170) 	if (!np) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  171) 		pr_err("missing testcase data\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  172) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  173) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  174) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  175) 	/* Array of 4 properties for the purpose of testing */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  176) 	prop = kcalloc(4, sizeof(*prop), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  177) 	if (!prop) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  178) 		unittest(0, "kzalloc() failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  179) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  180) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  181) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  182) 	/* Add a new property - should pass*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  183) 	prop->name = "new-property";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  184) 	prop->value = "new-property-data";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  185) 	prop->length = strlen(prop->value) + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  186) 	unittest(of_add_property(np, prop) == 0, "Adding a new property failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  187) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  188) 	/* Try to add an existing property - should fail */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  189) 	prop++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  190) 	prop->name = "new-property";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  191) 	prop->value = "new-property-data-should-fail";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  192) 	prop->length = strlen(prop->value) + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  193) 	unittest(of_add_property(np, prop) != 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  194) 		 "Adding an existing property should have failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  195) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  196) 	/* Try to modify an existing property - should pass */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  197) 	prop->value = "modify-property-data-should-pass";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  198) 	prop->length = strlen(prop->value) + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  199) 	unittest(of_update_property(np, prop) == 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  200) 		 "Updating an existing property should have passed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  201) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  202) 	/* Try to modify non-existent property - should pass*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  203) 	prop++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  204) 	prop->name = "modify-property";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  205) 	prop->value = "modify-missing-property-data-should-pass";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  206) 	prop->length = strlen(prop->value) + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  207) 	unittest(of_update_property(np, prop) == 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  208) 		 "Updating a missing property should have passed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  209) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  210) 	/* Remove property - should pass */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  211) 	unittest(of_remove_property(np, prop) == 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  212) 		 "Removing a property should have passed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  213) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  214) 	/* Adding very large property - should pass */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  215) 	prop++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  216) 	prop->name = "large-property-PAGE_SIZEx8";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  217) 	prop->length = PAGE_SIZE * 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  218) 	prop->value = kzalloc(prop->length, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  219) 	unittest(prop->value != NULL, "Unable to allocate large buffer\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  220) 	if (prop->value)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  221) 		unittest(of_add_property(np, prop) == 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  222) 			 "Adding a large property should have passed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  223) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  224) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  225) static int __init of_unittest_check_node_linkage(struct device_node *np)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  226) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  227) 	struct device_node *child;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  228) 	int count = 0, rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  229) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  230) 	for_each_child_of_node(np, child) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  231) 		if (child->parent != np) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  232) 			pr_err("Child node %pOFn links to wrong parent %pOFn\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  233) 				 child, np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  234) 			rc = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  235) 			goto put_child;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  236) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  237) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  238) 		rc = of_unittest_check_node_linkage(child);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  239) 		if (rc < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  240) 			goto put_child;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  241) 		count += rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  242) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  243) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  244) 	return count + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  245) put_child:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  246) 	of_node_put(child);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  247) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  248) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  249) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  250) static void __init of_unittest_check_tree_linkage(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  251) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  252) 	struct device_node *np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  253) 	int allnode_count = 0, child_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  254) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  255) 	if (!of_root)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  256) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  257) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  258) 	for_each_of_allnodes(np)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  259) 		allnode_count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  260) 	child_count = of_unittest_check_node_linkage(of_root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  261) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  262) 	unittest(child_count > 0, "Device node data structure is corrupted\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  263) 	unittest(child_count == allnode_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  264) 		 "allnodes list size (%i) doesn't match sibling lists size (%i)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  265) 		 allnode_count, child_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  266) 	pr_debug("allnodes list size (%i); sibling lists size (%i)\n", allnode_count, child_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  267) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  268) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  269) static void __init of_unittest_printf_one(struct device_node *np, const char *fmt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  270) 					  const char *expected)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  271) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  272) 	unsigned char *buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  273) 	int buf_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  274) 	int size, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  275) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  276) 	buf_size = strlen(expected) + 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  277) 	buf = kmalloc(buf_size, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  278) 	if (!buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  279) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  280) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  281) 	/* Baseline; check conversion with a large size limit */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  282) 	memset(buf, 0xff, buf_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  283) 	size = snprintf(buf, buf_size - 2, fmt, np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  284) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  285) 	/* use strcmp() instead of strncmp() here to be absolutely sure strings match */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  286) 	unittest((strcmp(buf, expected) == 0) && (buf[size+1] == 0xff),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  287) 		"sprintf failed; fmt='%s' expected='%s' rslt='%s'\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  288) 		fmt, expected, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  289) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  290) 	/* Make sure length limits work */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  291) 	size++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  292) 	for (i = 0; i < 2; i++, size--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  293) 		/* Clear the buffer, and make sure it works correctly still */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  294) 		memset(buf, 0xff, buf_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  295) 		snprintf(buf, size+1, fmt, np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  296) 		unittest(strncmp(buf, expected, size) == 0 && (buf[size+1] == 0xff),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  297) 			"snprintf failed; size=%i fmt='%s' expected='%s' rslt='%s'\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  298) 			size, fmt, expected, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  299) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  300) 	kfree(buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  301) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  302) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  303) static void __init of_unittest_printf(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  304) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  305) 	struct device_node *np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  306) 	const char *full_name = "/testcase-data/platform-tests/test-device@1/dev@100";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  307) 	char phandle_str[16] = "";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  308) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  309) 	np = of_find_node_by_path(full_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  310) 	if (!np) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  311) 		unittest(np, "testcase data missing\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  312) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  313) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  314) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  315) 	num_to_str(phandle_str, sizeof(phandle_str), np->phandle, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  316) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  317) 	of_unittest_printf_one(np, "%pOF",  full_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  318) 	of_unittest_printf_one(np, "%pOFf", full_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  319) 	of_unittest_printf_one(np, "%pOFn", "dev");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  320) 	of_unittest_printf_one(np, "%2pOFn", "dev");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  321) 	of_unittest_printf_one(np, "%5pOFn", "  dev");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  322) 	of_unittest_printf_one(np, "%pOFnc", "dev:test-sub-device");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  323) 	of_unittest_printf_one(np, "%pOFp", phandle_str);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  324) 	of_unittest_printf_one(np, "%pOFP", "dev@100");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  325) 	of_unittest_printf_one(np, "ABC %pOFP ABC", "ABC dev@100 ABC");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  326) 	of_unittest_printf_one(np, "%10pOFP", "   dev@100");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  327) 	of_unittest_printf_one(np, "%-10pOFP", "dev@100   ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  328) 	of_unittest_printf_one(of_root, "%pOFP", "/");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  329) 	of_unittest_printf_one(np, "%pOFF", "----");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  330) 	of_unittest_printf_one(np, "%pOFPF", "dev@100:----");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  331) 	of_unittest_printf_one(np, "%pOFPFPc", "dev@100:----:dev@100:test-sub-device");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  332) 	of_unittest_printf_one(np, "%pOFc", "test-sub-device");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  333) 	of_unittest_printf_one(np, "%pOFC",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  334) 			"\"test-sub-device\",\"test-compat2\",\"test-compat3\"");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  335) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  336) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  337) struct node_hash {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  338) 	struct hlist_node node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  339) 	struct device_node *np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  340) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  341) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  342) static DEFINE_HASHTABLE(phandle_ht, 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  343) static void __init of_unittest_check_phandles(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  344) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  345) 	struct device_node *np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  346) 	struct node_hash *nh;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  347) 	struct hlist_node *tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  348) 	int i, dup_count = 0, phandle_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  349) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  350) 	for_each_of_allnodes(np) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  351) 		if (!np->phandle)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  352) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  353) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  354) 		hash_for_each_possible(phandle_ht, nh, node, np->phandle) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  355) 			if (nh->np->phandle == np->phandle) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  356) 				pr_info("Duplicate phandle! %i used by %pOF and %pOF\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  357) 					np->phandle, nh->np, np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  358) 				dup_count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  359) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  360) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  361) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  362) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  363) 		nh = kzalloc(sizeof(*nh), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  364) 		if (!nh)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  365) 			return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  366) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  367) 		nh->np = np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  368) 		hash_add(phandle_ht, &nh->node, np->phandle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  369) 		phandle_count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  370) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  371) 	unittest(dup_count == 0, "Found %i duplicates in %i phandles\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  372) 		 dup_count, phandle_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  373) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  374) 	/* Clean up */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  375) 	hash_for_each_safe(phandle_ht, i, tmp, nh, node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  376) 		hash_del(&nh->node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  377) 		kfree(nh);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  378) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  379) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  380) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  381) static void __init of_unittest_parse_phandle_with_args(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  382) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  383) 	struct device_node *np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  384) 	struct of_phandle_args args;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  385) 	int i, rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  386) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  387) 	np = of_find_node_by_path("/testcase-data/phandle-tests/consumer-a");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  388) 	if (!np) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  389) 		pr_err("missing testcase data\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  390) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  391) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  392) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  393) 	rc = of_count_phandle_with_args(np, "phandle-list", "#phandle-cells");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  394) 	unittest(rc == 7, "of_count_phandle_with_args() returned %i, expected 7\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  395) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  396) 	for (i = 0; i < 8; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  397) 		bool passed = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  398) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  399) 		memset(&args, 0, sizeof(args));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  400) 		rc = of_parse_phandle_with_args(np, "phandle-list",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  401) 						"#phandle-cells", i, &args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  402) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  403) 		/* Test the values from tests-phandle.dtsi */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  404) 		switch (i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  405) 		case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  406) 			passed &= !rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  407) 			passed &= (args.args_count == 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  408) 			passed &= (args.args[0] == (i + 1));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  409) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  410) 		case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  411) 			passed &= !rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  412) 			passed &= (args.args_count == 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  413) 			passed &= (args.args[0] == (i + 1));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  414) 			passed &= (args.args[1] == 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  415) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  416) 		case 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  417) 			passed &= (rc == -ENOENT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  418) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  419) 		case 3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  420) 			passed &= !rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  421) 			passed &= (args.args_count == 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  422) 			passed &= (args.args[0] == (i + 1));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  423) 			passed &= (args.args[1] == 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  424) 			passed &= (args.args[2] == 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  425) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  426) 		case 4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  427) 			passed &= !rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  428) 			passed &= (args.args_count == 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  429) 			passed &= (args.args[0] == (i + 1));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  430) 			passed &= (args.args[1] == 100);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  431) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  432) 		case 5:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  433) 			passed &= !rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  434) 			passed &= (args.args_count == 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  435) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  436) 		case 6:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  437) 			passed &= !rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  438) 			passed &= (args.args_count == 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  439) 			passed &= (args.args[0] == (i + 1));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  440) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  441) 		case 7:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  442) 			passed &= (rc == -ENOENT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  443) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  444) 		default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  445) 			passed = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  446) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  447) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  448) 		unittest(passed, "index %i - data error on node %pOF rc=%i\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  449) 			 i, args.np, rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  450) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  451) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  452) 	/* Check for missing list property */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  453) 	memset(&args, 0, sizeof(args));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  454) 	rc = of_parse_phandle_with_args(np, "phandle-list-missing",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  455) 					"#phandle-cells", 0, &args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  456) 	unittest(rc == -ENOENT, "expected:%i got:%i\n", -ENOENT, rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  457) 	rc = of_count_phandle_with_args(np, "phandle-list-missing",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  458) 					"#phandle-cells");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  459) 	unittest(rc == -ENOENT, "expected:%i got:%i\n", -ENOENT, rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  460) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  461) 	/* Check for missing cells property */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  462) 	memset(&args, 0, sizeof(args));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  463) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  464) 	EXPECT_BEGIN(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  465) 		     "OF: /testcase-data/phandle-tests/consumer-a: could not get #phandle-cells-missing for /testcase-data/phandle-tests/provider1");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  466) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  467) 	rc = of_parse_phandle_with_args(np, "phandle-list",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  468) 					"#phandle-cells-missing", 0, &args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  469) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  470) 	EXPECT_END(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  471) 		   "OF: /testcase-data/phandle-tests/consumer-a: could not get #phandle-cells-missing for /testcase-data/phandle-tests/provider1");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  472) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  473) 	unittest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  474) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  475) 	EXPECT_BEGIN(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  476) 		     "OF: /testcase-data/phandle-tests/consumer-a: could not get #phandle-cells-missing for /testcase-data/phandle-tests/provider1");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  477) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  478) 	rc = of_count_phandle_with_args(np, "phandle-list",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  479) 					"#phandle-cells-missing");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  480) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  481) 	EXPECT_END(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  482) 		   "OF: /testcase-data/phandle-tests/consumer-a: could not get #phandle-cells-missing for /testcase-data/phandle-tests/provider1");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  483) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  484) 	unittest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  485) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  486) 	/* Check for bad phandle in list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  487) 	memset(&args, 0, sizeof(args));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  488) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  489) 	EXPECT_BEGIN(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  490) 		     "OF: /testcase-data/phandle-tests/consumer-a: could not find phandle");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  491) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  492) 	rc = of_parse_phandle_with_args(np, "phandle-list-bad-phandle",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  493) 					"#phandle-cells", 0, &args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  494) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  495) 	EXPECT_END(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  496) 		   "OF: /testcase-data/phandle-tests/consumer-a: could not find phandle");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  497) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  498) 	unittest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  499) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  500) 	EXPECT_BEGIN(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  501) 		     "OF: /testcase-data/phandle-tests/consumer-a: could not find phandle");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  502) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  503) 	rc = of_count_phandle_with_args(np, "phandle-list-bad-phandle",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  504) 					"#phandle-cells");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  505) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  506) 	EXPECT_END(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  507) 		   "OF: /testcase-data/phandle-tests/consumer-a: could not find phandle");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  508) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  509) 	unittest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  510) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  511) 	/* Check for incorrectly formed argument list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  512) 	memset(&args, 0, sizeof(args));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  513) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  514) 	EXPECT_BEGIN(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  515) 		     "OF: /testcase-data/phandle-tests/consumer-a: #phandle-cells = 3 found -1");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  516) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  517) 	rc = of_parse_phandle_with_args(np, "phandle-list-bad-args",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  518) 					"#phandle-cells", 1, &args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  519) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  520) 	EXPECT_END(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  521) 		   "OF: /testcase-data/phandle-tests/consumer-a: #phandle-cells = 3 found -1");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  522) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  523) 	unittest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  524) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  525) 	EXPECT_BEGIN(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  526) 		     "OF: /testcase-data/phandle-tests/consumer-a: #phandle-cells = 3 found -1");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  527) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  528) 	rc = of_count_phandle_with_args(np, "phandle-list-bad-args",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  529) 					"#phandle-cells");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  530) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  531) 	EXPECT_END(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  532) 		   "OF: /testcase-data/phandle-tests/consumer-a: #phandle-cells = 3 found -1");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  533) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  534) 	unittest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  535) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  536) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  537) static void __init of_unittest_parse_phandle_with_args_map(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  538) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  539) 	struct device_node *np, *p0, *p1, *p2, *p3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  540) 	struct of_phandle_args args;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  541) 	int i, rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  542) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  543) 	np = of_find_node_by_path("/testcase-data/phandle-tests/consumer-b");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  544) 	if (!np) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  545) 		pr_err("missing testcase data\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  546) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  547) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  548) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  549) 	p0 = of_find_node_by_path("/testcase-data/phandle-tests/provider0");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  550) 	if (!p0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  551) 		pr_err("missing testcase data\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  552) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  553) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  554) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  555) 	p1 = of_find_node_by_path("/testcase-data/phandle-tests/provider1");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  556) 	if (!p1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  557) 		pr_err("missing testcase data\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  558) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  559) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  560) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  561) 	p2 = of_find_node_by_path("/testcase-data/phandle-tests/provider2");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  562) 	if (!p2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  563) 		pr_err("missing testcase data\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  564) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  565) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  566) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  567) 	p3 = of_find_node_by_path("/testcase-data/phandle-tests/provider3");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  568) 	if (!p3) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  569) 		pr_err("missing testcase data\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  570) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  571) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  572) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  573) 	rc = of_count_phandle_with_args(np, "phandle-list", "#phandle-cells");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  574) 	unittest(rc == 7, "of_count_phandle_with_args() returned %i, expected 7\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  575) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  576) 	for (i = 0; i < 8; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  577) 		bool passed = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  578) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  579) 		memset(&args, 0, sizeof(args));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  580) 		rc = of_parse_phandle_with_args_map(np, "phandle-list",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  581) 						    "phandle", i, &args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  582) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  583) 		/* Test the values from tests-phandle.dtsi */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  584) 		switch (i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  585) 		case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  586) 			passed &= !rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  587) 			passed &= (args.np == p1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  588) 			passed &= (args.args_count == 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  589) 			passed &= (args.args[0] == 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  590) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  591) 		case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  592) 			passed &= !rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  593) 			passed &= (args.np == p3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  594) 			passed &= (args.args_count == 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  595) 			passed &= (args.args[0] == 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  596) 			passed &= (args.args[1] == 5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  597) 			passed &= (args.args[2] == 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  598) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  599) 		case 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  600) 			passed &= (rc == -ENOENT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  601) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  602) 		case 3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  603) 			passed &= !rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  604) 			passed &= (args.np == p0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  605) 			passed &= (args.args_count == 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  606) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  607) 		case 4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  608) 			passed &= !rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  609) 			passed &= (args.np == p1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  610) 			passed &= (args.args_count == 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  611) 			passed &= (args.args[0] == 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  612) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  613) 		case 5:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  614) 			passed &= !rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  615) 			passed &= (args.np == p0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  616) 			passed &= (args.args_count == 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  617) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  618) 		case 6:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  619) 			passed &= !rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  620) 			passed &= (args.np == p2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  621) 			passed &= (args.args_count == 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  622) 			passed &= (args.args[0] == 15);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  623) 			passed &= (args.args[1] == 0x20);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  624) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  625) 		case 7:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  626) 			passed &= (rc == -ENOENT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  627) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  628) 		default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  629) 			passed = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  630) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  631) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  632) 		unittest(passed, "index %i - data error on node %s rc=%i\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  633) 			 i, args.np->full_name, rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  634) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  635) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  636) 	/* Check for missing list property */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  637) 	memset(&args, 0, sizeof(args));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  638) 	rc = of_parse_phandle_with_args_map(np, "phandle-list-missing",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  639) 					    "phandle", 0, &args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  640) 	unittest(rc == -ENOENT, "expected:%i got:%i\n", -ENOENT, rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  641) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  642) 	/* Check for missing cells,map,mask property */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  643) 	memset(&args, 0, sizeof(args));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  644) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  645) 	EXPECT_BEGIN(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  646) 		     "OF: /testcase-data/phandle-tests/consumer-b: could not get #phandle-missing-cells for /testcase-data/phandle-tests/provider1");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  647) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  648) 	rc = of_parse_phandle_with_args_map(np, "phandle-list",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  649) 					    "phandle-missing", 0, &args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  650) 	EXPECT_END(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  651) 		   "OF: /testcase-data/phandle-tests/consumer-b: could not get #phandle-missing-cells for /testcase-data/phandle-tests/provider1");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  652) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  653) 	unittest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  654) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  655) 	/* Check for bad phandle in list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  656) 	memset(&args, 0, sizeof(args));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  657) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  658) 	EXPECT_BEGIN(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  659) 		     "OF: /testcase-data/phandle-tests/consumer-b: could not find phandle");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  660) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  661) 	rc = of_parse_phandle_with_args_map(np, "phandle-list-bad-phandle",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  662) 					    "phandle", 0, &args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  663) 	EXPECT_END(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  664) 		   "OF: /testcase-data/phandle-tests/consumer-b: could not find phandle");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  665) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  666) 	unittest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  667) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  668) 	/* Check for incorrectly formed argument list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  669) 	memset(&args, 0, sizeof(args));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  670) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  671) 	EXPECT_BEGIN(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  672) 		     "OF: /testcase-data/phandle-tests/consumer-b: #phandle-cells = 2 found -1");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  673) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  674) 	rc = of_parse_phandle_with_args_map(np, "phandle-list-bad-args",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  675) 					    "phandle", 1, &args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  676) 	EXPECT_END(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  677) 		   "OF: /testcase-data/phandle-tests/consumer-b: #phandle-cells = 2 found -1");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  678) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  679) 	unittest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  680) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  681) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  682) static void __init of_unittest_property_string(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  683) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  684) 	const char *strings[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  685) 	struct device_node *np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  686) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  687) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  688) 	np = of_find_node_by_path("/testcase-data/phandle-tests/consumer-a");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  689) 	if (!np) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  690) 		pr_err("No testcase data in device tree\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  691) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  692) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  693) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  694) 	rc = of_property_match_string(np, "phandle-list-names", "first");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  695) 	unittest(rc == 0, "first expected:0 got:%i\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  696) 	rc = of_property_match_string(np, "phandle-list-names", "second");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  697) 	unittest(rc == 1, "second expected:1 got:%i\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  698) 	rc = of_property_match_string(np, "phandle-list-names", "third");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  699) 	unittest(rc == 2, "third expected:2 got:%i\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  700) 	rc = of_property_match_string(np, "phandle-list-names", "fourth");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  701) 	unittest(rc == -ENODATA, "unmatched string; rc=%i\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  702) 	rc = of_property_match_string(np, "missing-property", "blah");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  703) 	unittest(rc == -EINVAL, "missing property; rc=%i\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  704) 	rc = of_property_match_string(np, "empty-property", "blah");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  705) 	unittest(rc == -ENODATA, "empty property; rc=%i\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  706) 	rc = of_property_match_string(np, "unterminated-string", "blah");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  707) 	unittest(rc == -EILSEQ, "unterminated string; rc=%i\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  708) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  709) 	/* of_property_count_strings() tests */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  710) 	rc = of_property_count_strings(np, "string-property");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  711) 	unittest(rc == 1, "Incorrect string count; rc=%i\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  712) 	rc = of_property_count_strings(np, "phandle-list-names");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  713) 	unittest(rc == 3, "Incorrect string count; rc=%i\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  714) 	rc = of_property_count_strings(np, "unterminated-string");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  715) 	unittest(rc == -EILSEQ, "unterminated string; rc=%i\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  716) 	rc = of_property_count_strings(np, "unterminated-string-list");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  717) 	unittest(rc == -EILSEQ, "unterminated string array; rc=%i\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  718) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  719) 	/* of_property_read_string_index() tests */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  720) 	rc = of_property_read_string_index(np, "string-property", 0, strings);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  721) 	unittest(rc == 0 && !strcmp(strings[0], "foobar"), "of_property_read_string_index() failure; rc=%i\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  722) 	strings[0] = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  723) 	rc = of_property_read_string_index(np, "string-property", 1, strings);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  724) 	unittest(rc == -ENODATA && strings[0] == NULL, "of_property_read_string_index() failure; rc=%i\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  725) 	rc = of_property_read_string_index(np, "phandle-list-names", 0, strings);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  726) 	unittest(rc == 0 && !strcmp(strings[0], "first"), "of_property_read_string_index() failure; rc=%i\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  727) 	rc = of_property_read_string_index(np, "phandle-list-names", 1, strings);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  728) 	unittest(rc == 0 && !strcmp(strings[0], "second"), "of_property_read_string_index() failure; rc=%i\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  729) 	rc = of_property_read_string_index(np, "phandle-list-names", 2, strings);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  730) 	unittest(rc == 0 && !strcmp(strings[0], "third"), "of_property_read_string_index() failure; rc=%i\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  731) 	strings[0] = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  732) 	rc = of_property_read_string_index(np, "phandle-list-names", 3, strings);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  733) 	unittest(rc == -ENODATA && strings[0] == NULL, "of_property_read_string_index() failure; rc=%i\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  734) 	strings[0] = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  735) 	rc = of_property_read_string_index(np, "unterminated-string", 0, strings);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  736) 	unittest(rc == -EILSEQ && strings[0] == NULL, "of_property_read_string_index() failure; rc=%i\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  737) 	rc = of_property_read_string_index(np, "unterminated-string-list", 0, strings);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  738) 	unittest(rc == 0 && !strcmp(strings[0], "first"), "of_property_read_string_index() failure; rc=%i\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  739) 	strings[0] = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  740) 	rc = of_property_read_string_index(np, "unterminated-string-list", 2, strings); /* should fail */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  741) 	unittest(rc == -EILSEQ && strings[0] == NULL, "of_property_read_string_index() failure; rc=%i\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  742) 	strings[1] = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  743) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  744) 	/* of_property_read_string_array() tests */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  745) 	rc = of_property_read_string_array(np, "string-property", strings, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  746) 	unittest(rc == 1, "Incorrect string count; rc=%i\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  747) 	rc = of_property_read_string_array(np, "phandle-list-names", strings, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  748) 	unittest(rc == 3, "Incorrect string count; rc=%i\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  749) 	rc = of_property_read_string_array(np, "unterminated-string", strings, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  750) 	unittest(rc == -EILSEQ, "unterminated string; rc=%i\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  751) 	/* -- An incorrectly formed string should cause a failure */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  752) 	rc = of_property_read_string_array(np, "unterminated-string-list", strings, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  753) 	unittest(rc == -EILSEQ, "unterminated string array; rc=%i\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  754) 	/* -- parsing the correctly formed strings should still work: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  755) 	strings[2] = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  756) 	rc = of_property_read_string_array(np, "unterminated-string-list", strings, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  757) 	unittest(rc == 2 && strings[2] == NULL, "of_property_read_string_array() failure; rc=%i\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  758) 	strings[1] = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  759) 	rc = of_property_read_string_array(np, "phandle-list-names", strings, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  760) 	unittest(rc == 1 && strings[1] == NULL, "Overwrote end of string array; rc=%i, str='%s'\n", rc, strings[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  761) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  762) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  763) #define propcmp(p1, p2) (((p1)->length == (p2)->length) && \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  764) 			(p1)->value && (p2)->value && \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  765) 			!memcmp((p1)->value, (p2)->value, (p1)->length) && \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  766) 			!strcmp((p1)->name, (p2)->name))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  767) static void __init of_unittest_property_copy(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  768) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  769) #ifdef CONFIG_OF_DYNAMIC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  770) 	struct property p1 = { .name = "p1", .length = 0, .value = "" };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  771) 	struct property p2 = { .name = "p2", .length = 5, .value = "abcd" };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  772) 	struct property *new;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  773) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  774) 	new = __of_prop_dup(&p1, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  775) 	unittest(new && propcmp(&p1, new), "empty property didn't copy correctly\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  776) 	kfree(new->value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  777) 	kfree(new->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  778) 	kfree(new);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  779) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  780) 	new = __of_prop_dup(&p2, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  781) 	unittest(new && propcmp(&p2, new), "non-empty property didn't copy correctly\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  782) 	kfree(new->value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  783) 	kfree(new->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  784) 	kfree(new);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  785) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  786) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  787) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  788) static void __init of_unittest_changeset(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  789) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  790) #ifdef CONFIG_OF_DYNAMIC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  791) 	struct property *ppadd, padd = { .name = "prop-add", .length = 1, .value = "" };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  792) 	struct property *ppname_n1,  pname_n1  = { .name = "name", .length = 3, .value = "n1"  };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  793) 	struct property *ppname_n2,  pname_n2  = { .name = "name", .length = 3, .value = "n2"  };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  794) 	struct property *ppname_n21, pname_n21 = { .name = "name", .length = 3, .value = "n21" };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  795) 	struct property *ppupdate, pupdate = { .name = "prop-update", .length = 5, .value = "abcd" };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  796) 	struct property *ppremove;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  797) 	struct device_node *n1, *n2, *n21, *nchangeset, *nremove, *parent, *np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  798) 	struct of_changeset chgset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  799) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  800) 	n1 = __of_node_dup(NULL, "n1");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  801) 	unittest(n1, "testcase setup failure\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  802) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  803) 	n2 = __of_node_dup(NULL, "n2");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  804) 	unittest(n2, "testcase setup failure\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  805) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  806) 	n21 = __of_node_dup(NULL, "n21");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  807) 	unittest(n21, "testcase setup failure %p\n", n21);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  808) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  809) 	nchangeset = of_find_node_by_path("/testcase-data/changeset");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  810) 	nremove = of_get_child_by_name(nchangeset, "node-remove");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  811) 	unittest(nremove, "testcase setup failure\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  812) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  813) 	ppadd = __of_prop_dup(&padd, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  814) 	unittest(ppadd, "testcase setup failure\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  815) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  816) 	ppname_n1  = __of_prop_dup(&pname_n1, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  817) 	unittest(ppname_n1, "testcase setup failure\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  818) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  819) 	ppname_n2  = __of_prop_dup(&pname_n2, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  820) 	unittest(ppname_n2, "testcase setup failure\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  821) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  822) 	ppname_n21 = __of_prop_dup(&pname_n21, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  823) 	unittest(ppname_n21, "testcase setup failure\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  824) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  825) 	ppupdate = __of_prop_dup(&pupdate, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  826) 	unittest(ppupdate, "testcase setup failure\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  827) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  828) 	parent = nchangeset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  829) 	n1->parent = parent;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  830) 	n2->parent = parent;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  831) 	n21->parent = n2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  832) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  833) 	ppremove = of_find_property(parent, "prop-remove", NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  834) 	unittest(ppremove, "failed to find removal prop");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  835) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  836) 	of_changeset_init(&chgset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  837) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  838) 	unittest(!of_changeset_attach_node(&chgset, n1), "fail attach n1\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  839) 	unittest(!of_changeset_add_property(&chgset, n1, ppname_n1), "fail add prop name\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  840) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  841) 	unittest(!of_changeset_attach_node(&chgset, n2), "fail attach n2\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  842) 	unittest(!of_changeset_add_property(&chgset, n2, ppname_n2), "fail add prop name\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  843) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  844) 	unittest(!of_changeset_detach_node(&chgset, nremove), "fail remove node\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  845) 	unittest(!of_changeset_add_property(&chgset, n21, ppname_n21), "fail add prop name\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  846) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  847) 	unittest(!of_changeset_attach_node(&chgset, n21), "fail attach n21\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  848) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  849) 	unittest(!of_changeset_add_property(&chgset, parent, ppadd), "fail add prop prop-add\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  850) 	unittest(!of_changeset_update_property(&chgset, parent, ppupdate), "fail update prop\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  851) 	unittest(!of_changeset_remove_property(&chgset, parent, ppremove), "fail remove prop\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  852) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  853) 	unittest(!of_changeset_apply(&chgset), "apply failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  854) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  855) 	of_node_put(nchangeset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  856) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  857) 	/* Make sure node names are constructed correctly */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  858) 	unittest((np = of_find_node_by_path("/testcase-data/changeset/n2/n21")),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  859) 		 "'%pOF' not added\n", n21);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  860) 	of_node_put(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  861) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  862) 	unittest(!of_changeset_revert(&chgset), "revert failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  863) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  864) 	of_changeset_destroy(&chgset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  865) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  866) 	of_node_put(n1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  867) 	of_node_put(n2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  868) 	of_node_put(n21);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  869) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  870) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  871) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  872) static void __init of_unittest_dma_get_max_cpu_address(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  873) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  874) 	struct device_node *np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  875) 	phys_addr_t cpu_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  876) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  877) 	if (!IS_ENABLED(CONFIG_OF_ADDRESS))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  878) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  879) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  880) 	np = of_find_node_by_path("/testcase-data/address-tests");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  881) 	if (!np) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  882) 		pr_err("missing testcase data\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  883) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  884) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  885) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  886) 	cpu_addr = of_dma_get_max_cpu_address(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  887) 	unittest(cpu_addr == 0x4fffffff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  888) 		 "of_dma_get_max_cpu_address: wrong CPU addr %pad (expecting %x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  889) 		 &cpu_addr, 0x4fffffff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  890) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  891) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  892) static void __init of_unittest_dma_ranges_one(const char *path,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  893) 		u64 expect_dma_addr, u64 expect_paddr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  894) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  895) #ifdef CONFIG_HAS_DMA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  896) 	struct device_node *np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  897) 	const struct bus_dma_region *map = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  898) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  899) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  900) 	np = of_find_node_by_path(path);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  901) 	if (!np) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  902) 		pr_err("missing testcase data\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  903) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  904) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  905) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  906) 	rc = of_dma_get_range(np, &map);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  907) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  908) 	unittest(!rc, "of_dma_get_range failed on node %pOF rc=%i\n", np, rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  909) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  910) 	if (!rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  911) 		phys_addr_t	paddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  912) 		dma_addr_t	dma_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  913) 		struct device	*dev_bogus;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  914) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  915) 		dev_bogus = kzalloc(sizeof(struct device), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  916) 		if (!dev_bogus) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  917) 			unittest(0, "kzalloc() failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  918) 			kfree(map);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  919) 			return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  920) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  921) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  922) 		dev_bogus->dma_range_map = map;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  923) 		paddr = dma_to_phys(dev_bogus, expect_dma_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  924) 		dma_addr = phys_to_dma(dev_bogus, expect_paddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  925) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  926) 		unittest(paddr == expect_paddr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  927) 			 "of_dma_get_range: wrong phys addr %pap (expecting %llx) on node %pOF\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  928) 			 &paddr, expect_paddr, np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  929) 		unittest(dma_addr == expect_dma_addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  930) 			 "of_dma_get_range: wrong DMA addr %pad (expecting %llx) on node %pOF\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  931) 			 &dma_addr, expect_dma_addr, np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  932) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  933) 		kfree(map);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  934) 		kfree(dev_bogus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  935) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  936) 	of_node_put(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  937) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  938) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  939) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  940) static void __init of_unittest_parse_dma_ranges(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  941) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  942) 	of_unittest_dma_ranges_one("/testcase-data/address-tests/device@70000000",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  943) 		0x0, 0x20000000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  944) 	if (IS_ENABLED(CONFIG_ARCH_DMA_ADDR_T_64BIT))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  945) 		of_unittest_dma_ranges_one("/testcase-data/address-tests/bus@80000000/device@1000",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  946) 			0x100000000, 0x20000000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  947) 	of_unittest_dma_ranges_one("/testcase-data/address-tests/pci@90000000",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  948) 		0x80000000, 0x20000000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  949) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  950) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  951) static void __init of_unittest_pci_dma_ranges(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  952) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  953) 	struct device_node *np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  954) 	struct of_pci_range range;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  955) 	struct of_pci_range_parser parser;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  956) 	int i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  957) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  958) 	if (!IS_ENABLED(CONFIG_PCI))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  959) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  960) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  961) 	np = of_find_node_by_path("/testcase-data/address-tests/pci@90000000");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  962) 	if (!np) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  963) 		pr_err("missing testcase data\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  964) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  965) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  966) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  967) 	if (of_pci_dma_range_parser_init(&parser, np)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  968) 		pr_err("missing dma-ranges property\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  969) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  970) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  971) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  972) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  973) 	 * Get the dma-ranges from the device tree
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  974) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  975) 	for_each_of_pci_range(&parser, &range) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  976) 		if (!i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  977) 			unittest(range.size == 0x10000000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  978) 				 "for_each_of_pci_range wrong size on node %pOF size=%llx\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  979) 				 np, range.size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  980) 			unittest(range.cpu_addr == 0x20000000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  981) 				 "for_each_of_pci_range wrong CPU addr (%llx) on node %pOF",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  982) 				 range.cpu_addr, np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  983) 			unittest(range.pci_addr == 0x80000000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  984) 				 "for_each_of_pci_range wrong DMA addr (%llx) on node %pOF",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  985) 				 range.pci_addr, np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  986) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  987) 			unittest(range.size == 0x10000000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  988) 				 "for_each_of_pci_range wrong size on node %pOF size=%llx\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  989) 				 np, range.size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  990) 			unittest(range.cpu_addr == 0x40000000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  991) 				 "for_each_of_pci_range wrong CPU addr (%llx) on node %pOF",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  992) 				 range.cpu_addr, np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  993) 			unittest(range.pci_addr == 0xc0000000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  994) 				 "for_each_of_pci_range wrong DMA addr (%llx) on node %pOF",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  995) 				 range.pci_addr, np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  996) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  997) 		i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  998) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  999) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) 	of_node_put(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003) static void __init of_unittest_parse_interrupts(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) 	struct device_node *np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) 	struct of_phandle_args args;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) 	int i, rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) 	if (of_irq_workarounds & OF_IMAP_OLDWORLD_MAC)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) 	np = of_find_node_by_path("/testcase-data/interrupts/interrupts0");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) 	if (!np) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014) 		pr_err("missing testcase data\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) 	for (i = 0; i < 4; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) 		bool passed = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) 		memset(&args, 0, sizeof(args));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) 		rc = of_irq_parse_one(np, i, &args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) 		passed &= !rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) 		passed &= (args.args_count == 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) 		passed &= (args.args[0] == (i + 1));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028) 		unittest(passed, "index %i - data error on node %pOF rc=%i\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) 			 i, args.np, rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) 	of_node_put(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) 	np = of_find_node_by_path("/testcase-data/interrupts/interrupts1");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) 	if (!np) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) 		pr_err("missing testcase data\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) 	for (i = 0; i < 4; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040) 		bool passed = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) 		memset(&args, 0, sizeof(args));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043) 		rc = of_irq_parse_one(np, i, &args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) 		/* Test the values from tests-phandle.dtsi */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) 		switch (i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047) 		case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) 			passed &= !rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) 			passed &= (args.args_count == 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) 			passed &= (args.args[0] == 9);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052) 		case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) 			passed &= !rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) 			passed &= (args.args_count == 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) 			passed &= (args.args[0] == 10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) 			passed &= (args.args[1] == 11);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) 			passed &= (args.args[2] == 12);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059) 		case 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) 			passed &= !rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061) 			passed &= (args.args_count == 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062) 			passed &= (args.args[0] == 13);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063) 			passed &= (args.args[1] == 14);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) 		case 3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066) 			passed &= !rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067) 			passed &= (args.args_count == 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068) 			passed &= (args.args[0] == 15);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069) 			passed &= (args.args[1] == 16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071) 		default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072) 			passed = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) 		unittest(passed, "index %i - data error on node %pOF rc=%i\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075) 			 i, args.np, rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077) 	of_node_put(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080) static void __init of_unittest_parse_interrupts_extended(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082) 	struct device_node *np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083) 	struct of_phandle_args args;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084) 	int i, rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086) 	if (of_irq_workarounds & OF_IMAP_OLDWORLD_MAC)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089) 	np = of_find_node_by_path("/testcase-data/interrupts/interrupts-extended0");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) 	if (!np) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091) 		pr_err("missing testcase data\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) 	for (i = 0; i < 7; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096) 		bool passed = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098) 		memset(&args, 0, sizeof(args));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099) 		rc = of_irq_parse_one(np, i, &args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) 		/* Test the values from tests-phandle.dtsi */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102) 		switch (i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103) 		case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104) 			passed &= !rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105) 			passed &= (args.args_count == 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106) 			passed &= (args.args[0] == 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108) 		case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109) 			passed &= !rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110) 			passed &= (args.args_count == 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111) 			passed &= (args.args[0] == 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112) 			passed &= (args.args[1] == 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113) 			passed &= (args.args[2] == 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115) 		case 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116) 			passed &= !rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117) 			passed &= (args.args_count == 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) 			passed &= (args.args[0] == 5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119) 			passed &= (args.args[1] == 6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121) 		case 3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122) 			passed &= !rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123) 			passed &= (args.args_count == 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124) 			passed &= (args.args[0] == 9);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126) 		case 4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127) 			passed &= !rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128) 			passed &= (args.args_count == 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129) 			passed &= (args.args[0] == 10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) 			passed &= (args.args[1] == 11);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131) 			passed &= (args.args[2] == 12);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) 		case 5:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134) 			passed &= !rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) 			passed &= (args.args_count == 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) 			passed &= (args.args[0] == 13);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137) 			passed &= (args.args[1] == 14);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) 		case 6:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140) 			passed &= !rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) 			passed &= (args.args_count == 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) 			passed &= (args.args[0] == 15);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144) 		default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145) 			passed = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) 		unittest(passed, "index %i - data error on node %pOF rc=%i\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) 			 i, args.np, rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151) 	of_node_put(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154) static const struct of_device_id match_node_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155) 	{ .data = "A", .name = "name0", }, /* Name alone is lowest priority */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) 	{ .data = "B", .type = "type1", }, /* followed by type alone */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158) 	{ .data = "Ca", .name = "name2", .type = "type1", }, /* followed by both together */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) 	{ .data = "Cb", .name = "name2", }, /* Only match when type doesn't match */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) 	{ .data = "Cc", .name = "name2", .type = "type2", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) 	{ .data = "E", .compatible = "compat3" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163) 	{ .data = "G", .compatible = "compat2", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164) 	{ .data = "H", .compatible = "compat2", .name = "name5", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165) 	{ .data = "I", .compatible = "compat2", .type = "type1", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166) 	{ .data = "J", .compatible = "compat2", .type = "type1", .name = "name8", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167) 	{ .data = "K", .compatible = "compat2", .name = "name9", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) 	{}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171) static struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172) 	const char *path;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173) 	const char *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174) } match_node_tests[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175) 	{ .path = "/testcase-data/match-node/name0", .data = "A", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176) 	{ .path = "/testcase-data/match-node/name1", .data = "B", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177) 	{ .path = "/testcase-data/match-node/a/name2", .data = "Ca", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178) 	{ .path = "/testcase-data/match-node/b/name2", .data = "Cb", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179) 	{ .path = "/testcase-data/match-node/c/name2", .data = "Cc", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180) 	{ .path = "/testcase-data/match-node/name3", .data = "E", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181) 	{ .path = "/testcase-data/match-node/name4", .data = "G", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182) 	{ .path = "/testcase-data/match-node/name5", .data = "H", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183) 	{ .path = "/testcase-data/match-node/name6", .data = "G", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184) 	{ .path = "/testcase-data/match-node/name7", .data = "I", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185) 	{ .path = "/testcase-data/match-node/name8", .data = "J", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186) 	{ .path = "/testcase-data/match-node/name9", .data = "K", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189) static void __init of_unittest_match_node(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191) 	struct device_node *np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192) 	const struct of_device_id *match;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195) 	for (i = 0; i < ARRAY_SIZE(match_node_tests); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196) 		np = of_find_node_by_path(match_node_tests[i].path);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197) 		if (!np) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198) 			unittest(0, "missing testcase node %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199) 				match_node_tests[i].path);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203) 		match = of_match_node(match_node_table, np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204) 		if (!match) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205) 			unittest(0, "%s didn't match anything\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206) 				match_node_tests[i].path);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1210) 		if (strcmp(match->data, match_node_tests[i].data) != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1211) 			unittest(0, "%s got wrong match. expected %s, got %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1212) 				match_node_tests[i].path, match_node_tests[i].data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213) 				(const char *)match->data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) 		unittest(1, "passed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220) static struct resource test_bus_res = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221) 	.start = 0xfffffff8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222) 	.end = 0xfffffff9,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223) 	.flags = IORESOURCE_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225) static const struct platform_device_info test_bus_info = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226) 	.name = "unittest-bus",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228) static void __init of_unittest_platform_populate(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230) 	int irq, rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231) 	struct device_node *np, *child, *grandchild;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232) 	struct platform_device *pdev, *test_bus;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233) 	const struct of_device_id match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234) 		{ .compatible = "test-device", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235) 		{}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236) 	};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238) 	np = of_find_node_by_path("/testcase-data");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) 	of_platform_default_populate(np, NULL, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241) 	/* Test that a missing irq domain returns -EPROBE_DEFER */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242) 	np = of_find_node_by_path("/testcase-data/testcase-device1");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243) 	pdev = of_find_device_by_node(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244) 	unittest(pdev, "device 1 creation failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246) 	if (!(of_irq_workarounds & OF_IMAP_OLDWORLD_MAC)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247) 		irq = platform_get_irq(pdev, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) 		unittest(irq == -EPROBE_DEFER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249) 			 "device deferred probe failed - %d\n", irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251) 		/* Test that a parsing failure does not return -EPROBE_DEFER */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252) 		np = of_find_node_by_path("/testcase-data/testcase-device2");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253) 		pdev = of_find_device_by_node(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254) 		unittest(pdev, "device 2 creation failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256) 		EXPECT_BEGIN(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257) 			     "platform testcase-data:testcase-device2: IRQ index 0 not found");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259) 		irq = platform_get_irq(pdev, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1260) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1261) 		EXPECT_END(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1262) 			   "platform testcase-data:testcase-device2: IRQ index 0 not found");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1263) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1264) 		unittest(irq < 0 && irq != -EPROBE_DEFER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1265) 			 "device parsing error failed - %d\n", irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1266) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1267) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1268) 	np = of_find_node_by_path("/testcase-data/platform-tests");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1269) 	unittest(np, "No testcase data in device tree\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1270) 	if (!np)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1271) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1272) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1273) 	test_bus = platform_device_register_full(&test_bus_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1274) 	rc = PTR_ERR_OR_ZERO(test_bus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1275) 	unittest(!rc, "testbus registration failed; rc=%i\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1276) 	if (rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1277) 		of_node_put(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1278) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1279) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1280) 	test_bus->dev.of_node = np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1281) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1282) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1283) 	 * Add a dummy resource to the test bus node after it is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1284) 	 * registered to catch problems with un-inserted resources. The
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1285) 	 * DT code doesn't insert the resources, and it has caused the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1286) 	 * kernel to oops in the past. This makes sure the same bug
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1287) 	 * doesn't crop up again.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1288) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1289) 	platform_device_add_resources(test_bus, &test_bus_res, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1290) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1291) 	of_platform_populate(np, match, NULL, &test_bus->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1292) 	for_each_child_of_node(np, child) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1293) 		for_each_child_of_node(child, grandchild) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1294) 			pdev = of_find_device_by_node(grandchild);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1295) 			unittest(pdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1296) 				 "Could not create device for node '%pOFn'\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1297) 				 grandchild);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1298) 			of_dev_put(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1299) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1300) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1301) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1302) 	of_platform_depopulate(&test_bus->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1303) 	for_each_child_of_node(np, child) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1304) 		for_each_child_of_node(child, grandchild)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1305) 			unittest(!of_find_device_by_node(grandchild),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1306) 				 "device didn't get destroyed '%pOFn'\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1307) 				 grandchild);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1308) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1309) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1310) 	platform_device_unregister(test_bus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1311) 	of_node_put(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1312) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1313) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1314) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1315)  *	update_node_properties - adds the properties
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1316)  *	of np into dup node (present in live tree) and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1317)  *	updates parent of children of np to dup.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1318)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1319)  *	@np:	node whose properties are being added to the live tree
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1320)  *	@dup:	node present in live tree to be updated
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1321)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1322) static void update_node_properties(struct device_node *np,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1323) 					struct device_node *dup)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1324) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1325) 	struct property *prop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1326) 	struct property *save_next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1327) 	struct device_node *child;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1328) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1329) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1330) 	for_each_child_of_node(np, child)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1331) 		child->parent = dup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1332) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1333) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1334) 	 * "unittest internal error: unable to add testdata property"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1335) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1336) 	 *    If this message reports a property in node '/__symbols__' then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1337) 	 *    the respective unittest overlay contains a label that has the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1338) 	 *    same name as a label in the live devicetree.  The label will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1339) 	 *    be in the live devicetree only if the devicetree source was
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1340) 	 *    compiled with the '-@' option.  If you encounter this error,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1341) 	 *    please consider renaming __all__ of the labels in the unittest
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1342) 	 *    overlay dts files with an odd prefix that is unlikely to be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1343) 	 *    used in a real devicetree.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1344) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1345) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1346) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1347) 	 * open code for_each_property_of_node() because of_add_property()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1348) 	 * sets prop->next to NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1349) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1350) 	for (prop = np->properties; prop != NULL; prop = save_next) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1351) 		save_next = prop->next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1352) 		ret = of_add_property(dup, prop);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1353) 		if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1354) 			if (ret == -EEXIST && !strcmp(prop->name, "name"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1355) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1356) 			pr_err("unittest internal error: unable to add testdata property %pOF/%s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1357) 			       np, prop->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1358) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1359) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1360) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1361) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1362) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1363)  *	attach_node_and_children - attaches nodes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1364)  *	and its children to live tree.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1365)  *	CAUTION: misleading function name - if node @np already exists in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1366)  *	the live tree then children of @np are *not* attached to the live
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1367)  *	tree.  This works for the current test devicetree nodes because such
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1368)  *	nodes do not have child nodes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1369)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1370)  *	@np:	Node to attach to live tree
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1371)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1372) static void attach_node_and_children(struct device_node *np)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1373) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1374) 	struct device_node *next, *dup, *child;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1375) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1376) 	const char *full_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1377) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1378) 	full_name = kasprintf(GFP_KERNEL, "%pOF", np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1379) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1380) 	if (!strcmp(full_name, "/__local_fixups__") ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1381) 	    !strcmp(full_name, "/__fixups__")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1382) 		kfree(full_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1383) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1384) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1385) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1386) 	dup = of_find_node_by_path(full_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1387) 	kfree(full_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1388) 	if (dup) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1389) 		update_node_properties(np, dup);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1390) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1391) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1392) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1393) 	child = np->child;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1394) 	np->child = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1395) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1396) 	mutex_lock(&of_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1397) 	raw_spin_lock_irqsave(&devtree_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1398) 	np->sibling = np->parent->child;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1399) 	np->parent->child = np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1400) 	of_node_clear_flag(np, OF_DETACHED);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1401) 	raw_spin_unlock_irqrestore(&devtree_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1402) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1403) 	__of_attach_node_sysfs(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1404) 	mutex_unlock(&of_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1405) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1406) 	while (child) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1407) 		next = child->sibling;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1408) 		attach_node_and_children(child);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1409) 		child = next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1410) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1411) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1412) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1413) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1414)  *	unittest_data_add - Reads, copies data from
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1415)  *	linked tree and attaches it to the live tree
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1416)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1417) static int __init unittest_data_add(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1418) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1419) 	void *unittest_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1420) 	struct device_node *unittest_data_node, *np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1421) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1422) 	 * __dtb_testcases_begin[] and __dtb_testcases_end[] are magically
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1423) 	 * created by cmd_dt_S_dtb in scripts/Makefile.lib
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1424) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1425) 	extern uint8_t __dtb_testcases_begin[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1426) 	extern uint8_t __dtb_testcases_end[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1427) 	const int size = __dtb_testcases_end - __dtb_testcases_begin;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1428) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1429) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1430) 	if (!size) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1431) 		pr_warn("%s: No testcase data to attach; not running tests\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1432) 			__func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1433) 		return -ENODATA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1434) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1435) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1436) 	/* creating copy */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1437) 	unittest_data = kmemdup(__dtb_testcases_begin, size, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1438) 	if (!unittest_data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1439) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1440) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1441) 	of_fdt_unflatten_tree(unittest_data, NULL, &unittest_data_node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1442) 	if (!unittest_data_node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1443) 		pr_warn("%s: No tree to attach; not running tests\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1444) 		kfree(unittest_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1445) 		return -ENODATA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1446) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1447) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1448) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1449) 	 * This lock normally encloses of_resolve_phandles()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1450) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1451) 	of_overlay_mutex_lock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1452) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1453) 	rc = of_resolve_phandles(unittest_data_node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1454) 	if (rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1455) 		pr_err("%s: Failed to resolve phandles (rc=%i)\n", __func__, rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1456) 		of_overlay_mutex_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1457) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1458) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1459) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1460) 	if (!of_root) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1461) 		of_root = unittest_data_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1462) 		for_each_of_allnodes(np)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1463) 			__of_attach_node_sysfs(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1464) 		of_aliases = of_find_node_by_path("/aliases");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1465) 		of_chosen = of_find_node_by_path("/chosen");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1466) 		of_overlay_mutex_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1467) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1468) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1469) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1470) 	EXPECT_BEGIN(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1471) 		     "Duplicate name in testcase-data, renamed to \"duplicate-name#1\"");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1472) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1473) 	/* attach the sub-tree to live tree */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1474) 	np = unittest_data_node->child;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1475) 	while (np) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1476) 		struct device_node *next = np->sibling;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1477) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1478) 		np->parent = of_root;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1479) 		attach_node_and_children(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1480) 		np = next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1481) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1482) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1483) 	EXPECT_END(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1484) 		   "Duplicate name in testcase-data, renamed to \"duplicate-name#1\"");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1485) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1486) 	of_overlay_mutex_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1487) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1488) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1489) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1490) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1491) #ifdef CONFIG_OF_OVERLAY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1492) static int __init overlay_data_apply(const char *overlay_name, int *overlay_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1493) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1494) static int unittest_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1495) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1496) 	struct device *dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1497) 	struct device_node *np = dev->of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1498) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1499) 	if (np == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1500) 		dev_err(dev, "No OF data for device\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1501) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1502) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1503) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1504) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1505) 	dev_dbg(dev, "%s for node @%pOF\n", __func__, np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1506) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1507) 	of_platform_populate(np, NULL, NULL, &pdev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1508) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1509) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1510) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1511) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1512) static int unittest_remove(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1513) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1514) 	struct device *dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1515) 	struct device_node *np = dev->of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1516) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1517) 	dev_dbg(dev, "%s for node @%pOF\n", __func__, np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1518) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1519) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1520) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1521) static const struct of_device_id unittest_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1522) 	{ .compatible = "unittest", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1523) 	{},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1524) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1525) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1526) static struct platform_driver unittest_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1527) 	.probe			= unittest_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1528) 	.remove			= unittest_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1529) 	.driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1530) 		.name		= "unittest",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1531) 		.of_match_table	= of_match_ptr(unittest_match),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1532) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1533) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1534) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1535) /* get the platform device instantiated at the path */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1536) static struct platform_device *of_path_to_platform_device(const char *path)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1537) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1538) 	struct device_node *np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1539) 	struct platform_device *pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1540) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1541) 	np = of_find_node_by_path(path);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1542) 	if (np == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1543) 		return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1544) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1545) 	pdev = of_find_device_by_node(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1546) 	of_node_put(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1547) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1548) 	return pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1549) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1550) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1551) /* find out if a platform device exists at that path */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1552) static int of_path_platform_device_exists(const char *path)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1553) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1554) 	struct platform_device *pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1555) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1556) 	pdev = of_path_to_platform_device(path);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1557) 	platform_device_put(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1558) 	return pdev != NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1559) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1560) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1561) #ifdef CONFIG_OF_GPIO
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1562) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1563) struct unittest_gpio_dev {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1564) 	struct gpio_chip chip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1565) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1566) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1567) static int unittest_gpio_chip_request_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1568) static int unittest_gpio_probe_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1569) static int unittest_gpio_probe_pass_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1570) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1571) static int unittest_gpio_chip_request(struct gpio_chip *chip, unsigned int offset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1572) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1573) 	unittest_gpio_chip_request_count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1574) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1575) 	pr_debug("%s(): %s %d %d\n", __func__, chip->label, offset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1576) 		 unittest_gpio_chip_request_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1577) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1578) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1579) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1580) static int unittest_gpio_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1581) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1582) 	struct unittest_gpio_dev *devptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1583) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1584) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1585) 	unittest_gpio_probe_count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1586) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1587) 	devptr = kzalloc(sizeof(*devptr), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1588) 	if (!devptr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1589) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1590) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1591) 	platform_set_drvdata(pdev, devptr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1592) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1593) 	devptr->chip.of_node = pdev->dev.of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1594) 	devptr->chip.label = "of-unittest-gpio";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1595) 	devptr->chip.base = -1; /* dynamic allocation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1596) 	devptr->chip.ngpio = 5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1597) 	devptr->chip.request = unittest_gpio_chip_request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1598) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1599) 	ret = gpiochip_add_data(&devptr->chip, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1600) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1601) 	unittest(!ret,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1602) 		 "gpiochip_add_data() for node @%pOF failed, ret = %d\n", devptr->chip.of_node, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1603) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1604) 	if (!ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1605) 		unittest_gpio_probe_pass_count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1606) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1607) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1608) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1609) static int unittest_gpio_remove(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1610) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1611) 	struct unittest_gpio_dev *gdev = platform_get_drvdata(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1612) 	struct device *dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1613) 	struct device_node *np = pdev->dev.of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1614) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1615) 	dev_dbg(dev, "%s for node @%pOF\n", __func__, np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1616) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1617) 	if (!gdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1618) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1619) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1620) 	if (gdev->chip.base != -1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1621) 		gpiochip_remove(&gdev->chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1622) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1623) 	platform_set_drvdata(pdev, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1624) 	kfree(gdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1625) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1626) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1627) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1628) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1629) static const struct of_device_id unittest_gpio_id[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1630) 	{ .compatible = "unittest-gpio", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1631) 	{}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1632) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1633) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1634) static struct platform_driver unittest_gpio_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1635) 	.probe	= unittest_gpio_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1636) 	.remove	= unittest_gpio_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1637) 	.driver	= {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1638) 		.name		= "unittest-gpio",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1639) 		.of_match_table	= of_match_ptr(unittest_gpio_id),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1640) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1641) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1642) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1643) static void __init of_unittest_overlay_gpio(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1644) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1645) 	int chip_request_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1646) 	int probe_pass_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1647) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1648) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1649) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1650) 	 * tests: apply overlays before registering driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1651) 	 * Similar to installing a driver as a module, the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1652) 	 * driver is registered after applying the overlays.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1653) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1654) 	 * The overlays are applied by overlay_data_apply()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1655) 	 * instead of of_unittest_apply_overlay() so that they
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1656) 	 * will not be tracked.  Thus they will not be removed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1657) 	 * by of_unittest_destroy_tracked_overlays().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1658) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1659) 	 * - apply overlay_gpio_01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1660) 	 * - apply overlay_gpio_02a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1661) 	 * - apply overlay_gpio_02b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1662) 	 * - register driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1663) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1664) 	 * register driver will result in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1665) 	 *   - probe and processing gpio hog for overlay_gpio_01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1666) 	 *   - probe for overlay_gpio_02a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1667) 	 *   - processing gpio for overlay_gpio_02b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1668) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1669) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1670) 	probe_pass_count = unittest_gpio_probe_pass_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1671) 	chip_request_count = unittest_gpio_chip_request_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1672) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1673) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1674) 	 * overlay_gpio_01 contains gpio node and child gpio hog node
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1675) 	 * overlay_gpio_02a contains gpio node
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1676) 	 * overlay_gpio_02b contains child gpio hog node
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1677) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1678) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1679) 	unittest(overlay_data_apply("overlay_gpio_01", NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1680) 		 "Adding overlay 'overlay_gpio_01' failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1681) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1682) 	unittest(overlay_data_apply("overlay_gpio_02a", NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1683) 		 "Adding overlay 'overlay_gpio_02a' failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1684) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1685) 	unittest(overlay_data_apply("overlay_gpio_02b", NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1686) 		 "Adding overlay 'overlay_gpio_02b' failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1687) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1688) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1689) 	 * messages are the result of the probes, after the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1690) 	 * driver is registered
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1691) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1692) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1693) 	EXPECT_BEGIN(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1694) 		     "gpio-<<int>> (line-B-input): hogged as input\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1695) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1696) 	EXPECT_BEGIN(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1697) 		     "gpio-<<int>> (line-A-input): hogged as input\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1698) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1699) 	ret = platform_driver_register(&unittest_gpio_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1700) 	if (unittest(ret == 0, "could not register unittest gpio driver\n"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1701) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1702) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1703) 	EXPECT_END(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1704) 		   "gpio-<<int>> (line-A-input): hogged as input\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1705) 	EXPECT_END(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1706) 		   "gpio-<<int>> (line-B-input): hogged as input\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1707) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1708) 	unittest(probe_pass_count + 2 == unittest_gpio_probe_pass_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1709) 		 "unittest_gpio_probe() failed or not called\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1710) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1711) 	unittest(chip_request_count + 2 == unittest_gpio_chip_request_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1712) 		 "unittest_gpio_chip_request() called %d times (expected 1 time)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1713) 		 unittest_gpio_chip_request_count - chip_request_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1714) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1715) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1716) 	 * tests: apply overlays after registering driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1717) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1718) 	 * Similar to a driver built-in to the kernel, the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1719) 	 * driver is registered before applying the overlays.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1720) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1721) 	 * overlay_gpio_03 contains gpio node and child gpio hog node
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1722) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1723) 	 * - apply overlay_gpio_03
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1724) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1725) 	 * apply overlay will result in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1726) 	 *   - probe and processing gpio hog.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1727) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1728) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1729) 	probe_pass_count = unittest_gpio_probe_pass_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1730) 	chip_request_count = unittest_gpio_chip_request_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1731) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1732) 	EXPECT_BEGIN(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1733) 		     "gpio-<<int>> (line-D-input): hogged as input\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1734) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1735) 	/* overlay_gpio_03 contains gpio node and child gpio hog node */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1736) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1737) 	unittest(overlay_data_apply("overlay_gpio_03", NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1738) 		 "Adding overlay 'overlay_gpio_03' failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1739) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1740) 	EXPECT_END(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1741) 		   "gpio-<<int>> (line-D-input): hogged as input\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1742) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1743) 	unittest(probe_pass_count + 1 == unittest_gpio_probe_pass_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1744) 		 "unittest_gpio_probe() failed or not called\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1745) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1746) 	unittest(chip_request_count + 1 == unittest_gpio_chip_request_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1747) 		 "unittest_gpio_chip_request() called %d times (expected 1 time)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1748) 		 unittest_gpio_chip_request_count - chip_request_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1749) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1750) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1751) 	 * overlay_gpio_04a contains gpio node
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1752) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1753) 	 * - apply overlay_gpio_04a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1754) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1755) 	 * apply the overlay will result in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1756) 	 *   - probe for overlay_gpio_04a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1757) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1758) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1759) 	probe_pass_count = unittest_gpio_probe_pass_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1760) 	chip_request_count = unittest_gpio_chip_request_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1761) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1762) 	/* overlay_gpio_04a contains gpio node */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1763) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1764) 	unittest(overlay_data_apply("overlay_gpio_04a", NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1765) 		 "Adding overlay 'overlay_gpio_04a' failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1766) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1767) 	unittest(probe_pass_count + 1 == unittest_gpio_probe_pass_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1768) 		 "unittest_gpio_probe() failed or not called\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1769) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1770) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1771) 	 * overlay_gpio_04b contains child gpio hog node
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1772) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1773) 	 * - apply overlay_gpio_04b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1774) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1775) 	 * apply the overlay will result in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1776) 	 *   - processing gpio for overlay_gpio_04b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1777) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1778) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1779) 	EXPECT_BEGIN(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1780) 		     "gpio-<<int>> (line-C-input): hogged as input\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1781) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1782) 	/* overlay_gpio_04b contains child gpio hog node */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1783) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1784) 	unittest(overlay_data_apply("overlay_gpio_04b", NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1785) 		 "Adding overlay 'overlay_gpio_04b' failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1786) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1787) 	EXPECT_END(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1788) 		   "gpio-<<int>> (line-C-input): hogged as input\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1789) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1790) 	unittest(chip_request_count + 1 == unittest_gpio_chip_request_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1791) 		 "unittest_gpio_chip_request() called %d times (expected 1 time)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1792) 		 unittest_gpio_chip_request_count - chip_request_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1793) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1794) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1795) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1796) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1797) static void __init of_unittest_overlay_gpio(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1798) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1799) 	/* skip tests */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1800) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1801) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1802) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1803) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1804) #if IS_BUILTIN(CONFIG_I2C)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1805) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1806) /* get the i2c client device instantiated at the path */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1807) static struct i2c_client *of_path_to_i2c_client(const char *path)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1808) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1809) 	struct device_node *np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1810) 	struct i2c_client *client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1811) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1812) 	np = of_find_node_by_path(path);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1813) 	if (np == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1814) 		return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1815) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1816) 	client = of_find_i2c_device_by_node(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1817) 	of_node_put(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1818) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1819) 	return client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1820) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1821) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1822) /* find out if a i2c client device exists at that path */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1823) static int of_path_i2c_client_exists(const char *path)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1824) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1825) 	struct i2c_client *client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1826) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1827) 	client = of_path_to_i2c_client(path);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1828) 	if (client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1829) 		put_device(&client->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1830) 	return client != NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1831) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1832) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1833) static int of_path_i2c_client_exists(const char *path)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1834) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1835) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1836) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1837) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1838) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1839) enum overlay_type {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1840) 	PDEV_OVERLAY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1841) 	I2C_OVERLAY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1842) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1843) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1844) static int of_path_device_type_exists(const char *path,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1845) 		enum overlay_type ovtype)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1846) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1847) 	switch (ovtype) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1848) 	case PDEV_OVERLAY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1849) 		return of_path_platform_device_exists(path);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1850) 	case I2C_OVERLAY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1851) 		return of_path_i2c_client_exists(path);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1852) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1853) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1854) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1855) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1856) static const char *unittest_path(int nr, enum overlay_type ovtype)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1857) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1858) 	const char *base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1859) 	static char buf[256];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1860) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1861) 	switch (ovtype) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1862) 	case PDEV_OVERLAY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1863) 		base = "/testcase-data/overlay-node/test-bus";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1864) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1865) 	case I2C_OVERLAY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1866) 		base = "/testcase-data/overlay-node/test-bus/i2c-test-bus";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1867) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1868) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1869) 		buf[0] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1870) 		return buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1871) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1872) 	snprintf(buf, sizeof(buf) - 1, "%s/test-unittest%d", base, nr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1873) 	buf[sizeof(buf) - 1] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1874) 	return buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1875) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1876) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1877) static int of_unittest_device_exists(int unittest_nr, enum overlay_type ovtype)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1878) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1879) 	const char *path;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1880) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1881) 	path = unittest_path(unittest_nr, ovtype);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1882) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1883) 	switch (ovtype) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1884) 	case PDEV_OVERLAY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1885) 		return of_path_platform_device_exists(path);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1886) 	case I2C_OVERLAY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1887) 		return of_path_i2c_client_exists(path);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1888) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1889) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1890) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1891) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1892) static const char *overlay_name_from_nr(int nr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1893) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1894) 	static char buf[256];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1895) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1896) 	snprintf(buf, sizeof(buf) - 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1897) 		"overlay_%d", nr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1898) 	buf[sizeof(buf) - 1] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1899) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1900) 	return buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1901) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1902) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1903) static const char *bus_path = "/testcase-data/overlay-node/test-bus";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1904) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1905) /* FIXME: it is NOT guaranteed that overlay ids are assigned in sequence */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1906) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1907) #define MAX_UNITTEST_OVERLAYS	256
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1908) static unsigned long overlay_id_bits[BITS_TO_LONGS(MAX_UNITTEST_OVERLAYS)];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1909) static int overlay_first_id = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1910) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1911) static long of_unittest_overlay_tracked(int id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1912) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1913) 	if (WARN_ON(id >= MAX_UNITTEST_OVERLAYS))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1914) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1915) 	return overlay_id_bits[BIT_WORD(id)] & BIT_MASK(id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1916) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1917) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1918) static void of_unittest_track_overlay(int id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1919) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1920) 	if (overlay_first_id < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1921) 		overlay_first_id = id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1922) 	id -= overlay_first_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1923) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1924) 	if (WARN_ON(id >= MAX_UNITTEST_OVERLAYS))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1925) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1926) 	overlay_id_bits[BIT_WORD(id)] |= BIT_MASK(id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1927) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1928) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1929) static void of_unittest_untrack_overlay(int id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1930) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1931) 	if (overlay_first_id < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1932) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1933) 	id -= overlay_first_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1934) 	if (WARN_ON(id >= MAX_UNITTEST_OVERLAYS))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1935) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1936) 	overlay_id_bits[BIT_WORD(id)] &= ~BIT_MASK(id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1937) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1938) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1939) static void of_unittest_destroy_tracked_overlays(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1940) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1941) 	int id, ret, defers, ovcs_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1942) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1943) 	if (overlay_first_id < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1944) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1945) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1946) 	/* try until no defers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1947) 	do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1948) 		defers = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1949) 		/* remove in reverse order */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1950) 		for (id = MAX_UNITTEST_OVERLAYS - 1; id >= 0; id--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1951) 			if (!of_unittest_overlay_tracked(id))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1952) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1953) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1954) 			ovcs_id = id + overlay_first_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1955) 			ret = of_overlay_remove(&ovcs_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1956) 			if (ret == -ENODEV) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1957) 				pr_warn("%s: no overlay to destroy for #%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1958) 					__func__, id + overlay_first_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1959) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1960) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1961) 			if (ret != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1962) 				defers++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1963) 				pr_warn("%s: overlay destroy failed for #%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1964) 					__func__, id + overlay_first_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1965) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1966) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1967) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1968) 			of_unittest_untrack_overlay(id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1969) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1970) 	} while (defers > 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1971) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1972) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1973) static int __init of_unittest_apply_overlay(int overlay_nr, int *overlay_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1974) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1975) 	const char *overlay_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1976) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1977) 	overlay_name = overlay_name_from_nr(overlay_nr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1978) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1979) 	if (!overlay_data_apply(overlay_name, overlay_id)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1980) 		unittest(0, "could not apply overlay \"%s\"\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1981) 				overlay_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1982) 		return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1983) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1984) 	of_unittest_track_overlay(*overlay_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1985) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1986) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1987) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1988) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1989) /* apply an overlay while checking before and after states */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1990) static int __init of_unittest_apply_overlay_check(int overlay_nr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1991) 		int unittest_nr, int before, int after,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1992) 		enum overlay_type ovtype)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1993) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1994) 	int ret, ovcs_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1995) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1996) 	/* unittest device must not be in before state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1997) 	if (of_unittest_device_exists(unittest_nr, ovtype) != before) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1998) 		unittest(0, "%s with device @\"%s\" %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1999) 				overlay_name_from_nr(overlay_nr),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2000) 				unittest_path(unittest_nr, ovtype),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2001) 				!before ? "enabled" : "disabled");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2002) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2003) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2004) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2005) 	ovcs_id = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2006) 	ret = of_unittest_apply_overlay(overlay_nr, &ovcs_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2007) 	if (ret != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2008) 		/* of_unittest_apply_overlay already called unittest() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2009) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2010) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2011) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2012) 	/* unittest device must be to set to after state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2013) 	if (of_unittest_device_exists(unittest_nr, ovtype) != after) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2014) 		unittest(0, "%s failed to create @\"%s\" %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2015) 				overlay_name_from_nr(overlay_nr),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2016) 				unittest_path(unittest_nr, ovtype),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2017) 				!after ? "enabled" : "disabled");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2018) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2019) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2020) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2021) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2022) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2023) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2024) /* apply an overlay and then revert it while checking before, after states */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2025) static int __init of_unittest_apply_revert_overlay_check(int overlay_nr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2026) 		int unittest_nr, int before, int after,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2027) 		enum overlay_type ovtype)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2028) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2029) 	int ret, ovcs_id, save_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2030) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2031) 	/* unittest device must be in before state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2032) 	if (of_unittest_device_exists(unittest_nr, ovtype) != before) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2033) 		unittest(0, "%s with device @\"%s\" %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2034) 				overlay_name_from_nr(overlay_nr),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2035) 				unittest_path(unittest_nr, ovtype),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2036) 				!before ? "enabled" : "disabled");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2037) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2038) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2039) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2040) 	/* apply the overlay */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2041) 	ovcs_id = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2042) 	ret = of_unittest_apply_overlay(overlay_nr, &ovcs_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2043) 	if (ret != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2044) 		/* of_unittest_apply_overlay already called unittest() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2045) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2046) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2047) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2048) 	/* unittest device must be in after state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2049) 	if (of_unittest_device_exists(unittest_nr, ovtype) != after) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2050) 		unittest(0, "%s failed to create @\"%s\" %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2051) 				overlay_name_from_nr(overlay_nr),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2052) 				unittest_path(unittest_nr, ovtype),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2053) 				!after ? "enabled" : "disabled");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2054) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2055) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2056) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2057) 	save_id = ovcs_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2058) 	ret = of_overlay_remove(&ovcs_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2059) 	if (ret != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2060) 		unittest(0, "%s failed to be destroyed @\"%s\"\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2061) 				overlay_name_from_nr(overlay_nr),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2062) 				unittest_path(unittest_nr, ovtype));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2063) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2064) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2065) 	of_unittest_untrack_overlay(save_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2066) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2067) 	/* unittest device must be again in before state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2068) 	if (of_unittest_device_exists(unittest_nr, PDEV_OVERLAY) != before) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2069) 		unittest(0, "%s with device @\"%s\" %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2070) 				overlay_name_from_nr(overlay_nr),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2071) 				unittest_path(unittest_nr, ovtype),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2072) 				!before ? "enabled" : "disabled");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2073) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2074) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2075) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2076) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2077) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2078) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2079) /* test activation of device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2080) static void __init of_unittest_overlay_0(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2081) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2082) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2083) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2084) 	EXPECT_BEGIN(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2085) 		     "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest0/status");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2086) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2087) 	/* device should enable */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2088) 	ret = of_unittest_apply_overlay_check(0, 0, 0, 1, PDEV_OVERLAY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2089) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2090) 	EXPECT_END(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2091) 		   "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest0/status");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2092) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2093) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2094) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2095) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2096) 	unittest(1, "overlay test %d passed\n", 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2097) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2098) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2099) /* test deactivation of device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2100) static void __init of_unittest_overlay_1(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2101) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2102) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2103) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2104) 	EXPECT_BEGIN(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2105) 		     "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest1/status");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2106) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2107) 	/* device should disable */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2108) 	ret = of_unittest_apply_overlay_check(1, 1, 1, 0, PDEV_OVERLAY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2109) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2110) 	EXPECT_END(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2111) 		   "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest1/status");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2112) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2113) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2114) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2115) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2116) 	unittest(1, "overlay test %d passed\n", 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2117) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2118) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2119) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2120) /* test activation of device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2121) static void __init of_unittest_overlay_2(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2122) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2123) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2124) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2125) 	EXPECT_BEGIN(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2126) 		     "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest2/status");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2127) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2128) 	/* device should enable */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2129) 	ret = of_unittest_apply_overlay_check(2, 2, 0, 1, PDEV_OVERLAY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2130) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2131) 	EXPECT_END(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2132) 		   "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest2/status");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2133) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2134) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2135) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2136) 	unittest(1, "overlay test %d passed\n", 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2137) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2138) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2139) /* test deactivation of device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2140) static void __init of_unittest_overlay_3(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2141) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2142) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2143) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2144) 	EXPECT_BEGIN(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2145) 		     "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest3/status");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2146) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2147) 	/* device should disable */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2148) 	ret = of_unittest_apply_overlay_check(3, 3, 1, 0, PDEV_OVERLAY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2149) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2150) 	EXPECT_END(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2151) 		   "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest3/status");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2152) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2153) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2154) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2155) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2156) 	unittest(1, "overlay test %d passed\n", 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2157) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2158) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2159) /* test activation of a full device node */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2160) static void __init of_unittest_overlay_4(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2161) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2162) 	/* device should disable */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2163) 	if (of_unittest_apply_overlay_check(4, 4, 0, 1, PDEV_OVERLAY))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2164) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2165) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2166) 	unittest(1, "overlay test %d passed\n", 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2167) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2168) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2169) /* test overlay apply/revert sequence */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2170) static void __init of_unittest_overlay_5(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2171) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2172) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2173) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2174) 	EXPECT_BEGIN(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2175) 		     "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest5/status");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2176) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2177) 	/* device should disable */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2178) 	ret = of_unittest_apply_revert_overlay_check(5, 5, 0, 1, PDEV_OVERLAY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2179) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2180) 	EXPECT_END(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2181) 		   "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest5/status");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2182) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2183) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2184) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2185) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2186) 	unittest(1, "overlay test %d passed\n", 5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2187) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2188) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2189) /* test overlay application in sequence */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2190) static void __init of_unittest_overlay_6(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2191) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2192) 	int i, ov_id[2], ovcs_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2193) 	int overlay_nr = 6, unittest_nr = 6;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2194) 	int before = 0, after = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2195) 	const char *overlay_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2196) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2197) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2198) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2199) 	/* unittest device must be in before state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2200) 	for (i = 0; i < 2; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2201) 		if (of_unittest_device_exists(unittest_nr + i, PDEV_OVERLAY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2202) 				!= before) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2203) 			unittest(0, "%s with device @\"%s\" %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2204) 					overlay_name_from_nr(overlay_nr + i),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2205) 					unittest_path(unittest_nr + i,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2206) 						PDEV_OVERLAY),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2207) 					!before ? "enabled" : "disabled");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2208) 			return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2209) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2210) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2211) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2212) 	/* apply the overlays */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2213) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2214) 	EXPECT_BEGIN(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2215) 		     "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest6/status");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2216) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2217) 	overlay_name = overlay_name_from_nr(overlay_nr + 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2218) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2219) 	ret = overlay_data_apply(overlay_name, &ovcs_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2220) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2221) 	if (!ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2222) 		unittest(0, "could not apply overlay \"%s\"\n", overlay_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2223) 			return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2224) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2225) 	ov_id[0] = ovcs_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2226) 	of_unittest_track_overlay(ov_id[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2227) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2228) 	EXPECT_END(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2229) 		   "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest6/status");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2230) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2231) 	EXPECT_BEGIN(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2232) 		     "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest7/status");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2233) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2234) 	overlay_name = overlay_name_from_nr(overlay_nr + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2235) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2236) 	ret = overlay_data_apply(overlay_name, &ovcs_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2237) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2238) 	if (!ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2239) 		unittest(0, "could not apply overlay \"%s\"\n", overlay_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2240) 			return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2241) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2242) 	ov_id[1] = ovcs_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2243) 	of_unittest_track_overlay(ov_id[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2244) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2245) 	EXPECT_END(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2246) 		   "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest7/status");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2247) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2248) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2249) 	for (i = 0; i < 2; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2250) 		/* unittest device must be in after state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2251) 		if (of_unittest_device_exists(unittest_nr + i, PDEV_OVERLAY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2252) 				!= after) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2253) 			unittest(0, "overlay @\"%s\" failed @\"%s\" %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2254) 					overlay_name_from_nr(overlay_nr + i),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2255) 					unittest_path(unittest_nr + i,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2256) 						PDEV_OVERLAY),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2257) 					!after ? "enabled" : "disabled");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2258) 			return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2259) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2260) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2261) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2262) 	for (i = 1; i >= 0; i--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2263) 		ovcs_id = ov_id[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2264) 		if (of_overlay_remove(&ovcs_id)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2265) 			unittest(0, "%s failed destroy @\"%s\"\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2266) 					overlay_name_from_nr(overlay_nr + i),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2267) 					unittest_path(unittest_nr + i,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2268) 						PDEV_OVERLAY));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2269) 			return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2270) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2271) 		of_unittest_untrack_overlay(ov_id[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2272) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2273) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2274) 	for (i = 0; i < 2; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2275) 		/* unittest device must be again in before state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2276) 		if (of_unittest_device_exists(unittest_nr + i, PDEV_OVERLAY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2277) 				!= before) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2278) 			unittest(0, "%s with device @\"%s\" %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2279) 					overlay_name_from_nr(overlay_nr + i),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2280) 					unittest_path(unittest_nr + i,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2281) 						PDEV_OVERLAY),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2282) 					!before ? "enabled" : "disabled");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2283) 			return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2284) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2285) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2286) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2287) 	unittest(1, "overlay test %d passed\n", 6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2288) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2289) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2290) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2291) /* test overlay application in sequence */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2292) static void __init of_unittest_overlay_8(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2293) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2294) 	int i, ov_id[2], ovcs_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2295) 	int overlay_nr = 8, unittest_nr = 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2296) 	const char *overlay_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2297) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2298) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2299) 	/* we don't care about device state in this test */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2300) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2301) 	EXPECT_BEGIN(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2302) 		     "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest8/status");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2303) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2304) 	overlay_name = overlay_name_from_nr(overlay_nr + 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2305) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2306) 	ret = overlay_data_apply(overlay_name, &ovcs_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2307) 	if (!ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2308) 		unittest(0, "could not apply overlay \"%s\"\n", overlay_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2309) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2310) 	EXPECT_END(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2311) 		   "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest8/status");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2312) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2313) 	if (!ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2314) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2315) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2316) 	ov_id[0] = ovcs_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2317) 	of_unittest_track_overlay(ov_id[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2318) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2319) 	overlay_name = overlay_name_from_nr(overlay_nr + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2320) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2321) 	EXPECT_BEGIN(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2322) 		     "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest8/property-foo");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2323) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2324) 	/* apply the overlays */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2325) 	ret = overlay_data_apply(overlay_name, &ovcs_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2326) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2327) 	EXPECT_END(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2328) 		   "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest8/property-foo");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2329) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2330) 	if (!ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2331) 		unittest(0, "could not apply overlay \"%s\"\n", overlay_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2332) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2333) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2334) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2335) 	ov_id[1] = ovcs_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2336) 	of_unittest_track_overlay(ov_id[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2337) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2338) 	/* now try to remove first overlay (it should fail) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2339) 	ovcs_id = ov_id[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2340) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2341) 	EXPECT_BEGIN(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2342) 		     "OF: overlay: node_overlaps_later_cs: #6 overlaps with #7 @/testcase-data/overlay-node/test-bus/test-unittest8");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2343) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2344) 	EXPECT_BEGIN(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2345) 		     "OF: overlay: overlay #6 is not topmost");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2346) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2347) 	ret = of_overlay_remove(&ovcs_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2348) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2349) 	EXPECT_END(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2350) 		   "OF: overlay: overlay #6 is not topmost");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2351) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2352) 	EXPECT_END(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2353) 		   "OF: overlay: node_overlaps_later_cs: #6 overlaps with #7 @/testcase-data/overlay-node/test-bus/test-unittest8");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2354) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2355) 	if (!ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2356) 		unittest(0, "%s was destroyed @\"%s\"\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2357) 				overlay_name_from_nr(overlay_nr + 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2358) 				unittest_path(unittest_nr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2359) 					PDEV_OVERLAY));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2360) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2361) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2362) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2363) 	/* removing them in order should work */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2364) 	for (i = 1; i >= 0; i--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2365) 		ovcs_id = ov_id[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2366) 		if (of_overlay_remove(&ovcs_id)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2367) 			unittest(0, "%s not destroyed @\"%s\"\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2368) 					overlay_name_from_nr(overlay_nr + i),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2369) 					unittest_path(unittest_nr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2370) 						PDEV_OVERLAY));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2371) 			return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2372) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2373) 		of_unittest_untrack_overlay(ov_id[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2374) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2375) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2376) 	unittest(1, "overlay test %d passed\n", 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2377) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2378) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2379) /* test insertion of a bus with parent devices */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2380) static void __init of_unittest_overlay_10(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2381) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2382) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2383) 	char *child_path;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2384) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2385) 	/* device should disable */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2386) 	ret = of_unittest_apply_overlay_check(10, 10, 0, 1, PDEV_OVERLAY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2387) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2388) 	if (unittest(ret == 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2389) 			"overlay test %d failed; overlay application\n", 10))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2390) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2391) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2392) 	child_path = kasprintf(GFP_KERNEL, "%s/test-unittest101",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2393) 			unittest_path(10, PDEV_OVERLAY));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2394) 	if (unittest(child_path, "overlay test %d failed; kasprintf\n", 10))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2395) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2396) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2397) 	ret = of_path_device_type_exists(child_path, PDEV_OVERLAY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2398) 	kfree(child_path);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2399) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2400) 	unittest(ret, "overlay test %d failed; no child device\n", 10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2401) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2402) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2403) /* test insertion of a bus with parent devices (and revert) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2404) static void __init of_unittest_overlay_11(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2405) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2406) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2407) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2408) 	/* device should disable */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2409) 	ret = of_unittest_apply_revert_overlay_check(11, 11, 0, 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2410) 			PDEV_OVERLAY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2411) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2412) 	unittest(ret == 0, "overlay test %d failed; overlay apply\n", 11);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2413) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2414) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2415) #if IS_BUILTIN(CONFIG_I2C) && IS_ENABLED(CONFIG_OF_OVERLAY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2416) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2417) struct unittest_i2c_bus_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2418) 	struct platform_device	*pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2419) 	struct i2c_adapter	adap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2420) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2421) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2422) static int unittest_i2c_master_xfer(struct i2c_adapter *adap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2423) 		struct i2c_msg *msgs, int num)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2424) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2425) 	struct unittest_i2c_bus_data *std = i2c_get_adapdata(adap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2426) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2427) 	(void)std;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2428) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2429) 	return num;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2430) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2431) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2432) static u32 unittest_i2c_functionality(struct i2c_adapter *adap)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2433) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2434) 	return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2435) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2436) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2437) static const struct i2c_algorithm unittest_i2c_algo = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2438) 	.master_xfer	= unittest_i2c_master_xfer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2439) 	.functionality	= unittest_i2c_functionality,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2440) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2441) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2442) static int unittest_i2c_bus_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2443) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2444) 	struct device *dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2445) 	struct device_node *np = dev->of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2446) 	struct unittest_i2c_bus_data *std;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2447) 	struct i2c_adapter *adap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2448) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2449) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2450) 	if (np == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2451) 		dev_err(dev, "No OF data for device\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2452) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2453) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2454) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2455) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2456) 	dev_dbg(dev, "%s for node @%pOF\n", __func__, np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2457) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2458) 	std = devm_kzalloc(dev, sizeof(*std), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2459) 	if (!std)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2460) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2461) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2462) 	/* link them together */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2463) 	std->pdev = pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2464) 	platform_set_drvdata(pdev, std);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2465) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2466) 	adap = &std->adap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2467) 	i2c_set_adapdata(adap, std);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2468) 	adap->nr = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2469) 	strlcpy(adap->name, pdev->name, sizeof(adap->name));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2470) 	adap->class = I2C_CLASS_DEPRECATED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2471) 	adap->algo = &unittest_i2c_algo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2472) 	adap->dev.parent = dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2473) 	adap->dev.of_node = dev->of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2474) 	adap->timeout = 5 * HZ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2475) 	adap->retries = 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2476) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2477) 	ret = i2c_add_numbered_adapter(adap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2478) 	if (ret != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2479) 		dev_err(dev, "Failed to add I2C adapter\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2480) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2481) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2482) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2483) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2484) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2485) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2486) static int unittest_i2c_bus_remove(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2487) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2488) 	struct device *dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2489) 	struct device_node *np = dev->of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2490) 	struct unittest_i2c_bus_data *std = platform_get_drvdata(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2491) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2492) 	dev_dbg(dev, "%s for node @%pOF\n", __func__, np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2493) 	i2c_del_adapter(&std->adap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2494) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2495) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2496) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2497) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2498) static const struct of_device_id unittest_i2c_bus_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2499) 	{ .compatible = "unittest-i2c-bus", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2500) 	{},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2501) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2502) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2503) static struct platform_driver unittest_i2c_bus_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2504) 	.probe			= unittest_i2c_bus_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2505) 	.remove			= unittest_i2c_bus_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2506) 	.driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2507) 		.name		= "unittest-i2c-bus",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2508) 		.of_match_table	= of_match_ptr(unittest_i2c_bus_match),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2509) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2510) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2511) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2512) static int unittest_i2c_dev_probe(struct i2c_client *client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2513) 		const struct i2c_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2514) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2515) 	struct device *dev = &client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2516) 	struct device_node *np = client->dev.of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2517) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2518) 	if (!np) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2519) 		dev_err(dev, "No OF node\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2520) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2521) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2522) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2523) 	dev_dbg(dev, "%s for node @%pOF\n", __func__, np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2524) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2525) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2526) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2527) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2528) static int unittest_i2c_dev_remove(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2529) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2530) 	struct device *dev = &client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2531) 	struct device_node *np = client->dev.of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2532) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2533) 	dev_dbg(dev, "%s for node @%pOF\n", __func__, np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2534) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2535) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2536) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2537) static const struct i2c_device_id unittest_i2c_dev_id[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2538) 	{ .name = "unittest-i2c-dev" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2539) 	{ }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2540) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2541) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2542) static struct i2c_driver unittest_i2c_dev_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2543) 	.driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2544) 		.name = "unittest-i2c-dev",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2545) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2546) 	.probe = unittest_i2c_dev_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2547) 	.remove = unittest_i2c_dev_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2548) 	.id_table = unittest_i2c_dev_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2549) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2550) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2551) #if IS_BUILTIN(CONFIG_I2C_MUX)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2552) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2553) static int unittest_i2c_mux_select_chan(struct i2c_mux_core *muxc, u32 chan)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2554) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2555) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2556) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2557) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2558) static int unittest_i2c_mux_probe(struct i2c_client *client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2559) 		const struct i2c_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2560) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2561) 	int i, nchans;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2562) 	struct device *dev = &client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2563) 	struct i2c_adapter *adap = client->adapter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2564) 	struct device_node *np = client->dev.of_node, *child;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2565) 	struct i2c_mux_core *muxc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2566) 	u32 reg, max_reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2567) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2568) 	dev_dbg(dev, "%s for node @%pOF\n", __func__, np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2569) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2570) 	if (!np) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2571) 		dev_err(dev, "No OF node\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2572) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2573) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2574) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2575) 	max_reg = (u32)-1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2576) 	for_each_child_of_node(np, child) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2577) 		if (of_property_read_u32(child, "reg", &reg))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2578) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2579) 		if (max_reg == (u32)-1 || reg > max_reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2580) 			max_reg = reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2581) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2582) 	nchans = max_reg == (u32)-1 ? 0 : max_reg + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2583) 	if (nchans == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2584) 		dev_err(dev, "No channels\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2585) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2586) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2587) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2588) 	muxc = i2c_mux_alloc(adap, dev, nchans, 0, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2589) 			     unittest_i2c_mux_select_chan, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2590) 	if (!muxc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2591) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2592) 	for (i = 0; i < nchans; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2593) 		if (i2c_mux_add_adapter(muxc, 0, i, 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2594) 			dev_err(dev, "Failed to register mux #%d\n", i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2595) 			i2c_mux_del_adapters(muxc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2596) 			return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2597) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2598) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2599) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2600) 	i2c_set_clientdata(client, muxc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2601) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2602) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2603) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2604) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2605) static int unittest_i2c_mux_remove(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2606) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2607) 	struct device *dev = &client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2608) 	struct device_node *np = client->dev.of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2609) 	struct i2c_mux_core *muxc = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2610) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2611) 	dev_dbg(dev, "%s for node @%pOF\n", __func__, np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2612) 	i2c_mux_del_adapters(muxc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2613) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2614) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2615) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2616) static const struct i2c_device_id unittest_i2c_mux_id[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2617) 	{ .name = "unittest-i2c-mux" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2618) 	{ }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2619) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2620) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2621) static struct i2c_driver unittest_i2c_mux_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2622) 	.driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2623) 		.name = "unittest-i2c-mux",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2624) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2625) 	.probe = unittest_i2c_mux_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2626) 	.remove = unittest_i2c_mux_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2627) 	.id_table = unittest_i2c_mux_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2628) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2629) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2630) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2631) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2632) static int of_unittest_overlay_i2c_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2633) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2634) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2635) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2636) 	ret = i2c_add_driver(&unittest_i2c_dev_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2637) 	if (unittest(ret == 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2638) 			"could not register unittest i2c device driver\n"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2639) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2640) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2641) 	ret = platform_driver_register(&unittest_i2c_bus_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2642) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2643) 	if (unittest(ret == 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2644) 			"could not register unittest i2c bus driver\n"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2645) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2646) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2647) #if IS_BUILTIN(CONFIG_I2C_MUX)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2648) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2649) 	EXPECT_BEGIN(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2650) 		     "i2c i2c-1: Added multiplexed i2c bus 2");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2651) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2652) 	ret = i2c_add_driver(&unittest_i2c_mux_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2653) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2654) 	EXPECT_END(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2655) 		   "i2c i2c-1: Added multiplexed i2c bus 2");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2656) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2657) 	if (unittest(ret == 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2658) 			"could not register unittest i2c mux driver\n"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2659) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2660) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2661) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2662) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2663) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2664) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2665) static void of_unittest_overlay_i2c_cleanup(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2666) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2667) #if IS_BUILTIN(CONFIG_I2C_MUX)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2668) 	i2c_del_driver(&unittest_i2c_mux_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2669) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2670) 	platform_driver_unregister(&unittest_i2c_bus_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2671) 	i2c_del_driver(&unittest_i2c_dev_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2672) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2673) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2674) static void __init of_unittest_overlay_i2c_12(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2675) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2676) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2677) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2678) 	/* device should enable */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2679) 	EXPECT_BEGIN(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2680) 		     "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/i2c-test-bus/test-unittest12/status");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2681) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2682) 	ret = of_unittest_apply_overlay_check(12, 12, 0, 1, I2C_OVERLAY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2683) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2684) 	EXPECT_END(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2685) 		   "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/i2c-test-bus/test-unittest12/status");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2686) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2687) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2688) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2689) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2690) 	unittest(1, "overlay test %d passed\n", 12);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2691) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2692) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2693) /* test deactivation of device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2694) static void __init of_unittest_overlay_i2c_13(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2695) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2696) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2697) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2698) 	EXPECT_BEGIN(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2699) 		     "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/i2c-test-bus/test-unittest13/status");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2700) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2701) 	/* device should disable */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2702) 	ret = of_unittest_apply_overlay_check(13, 13, 1, 0, I2C_OVERLAY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2703) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2704) 	EXPECT_END(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2705) 		   "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/i2c-test-bus/test-unittest13/status");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2706) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2707) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2708) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2709) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2710) 	unittest(1, "overlay test %d passed\n", 13);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2711) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2712) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2713) /* just check for i2c mux existence */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2714) static void of_unittest_overlay_i2c_14(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2715) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2716) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2717) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2718) static void __init of_unittest_overlay_i2c_15(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2719) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2720) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2721) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2722) 	/* device should enable */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2723) 	EXPECT_BEGIN(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2724) 		     "i2c i2c-1: Added multiplexed i2c bus 3");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2725) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2726) 	ret = of_unittest_apply_overlay_check(15, 15, 0, 1, I2C_OVERLAY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2727) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2728) 	EXPECT_END(KERN_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2729) 		   "i2c i2c-1: Added multiplexed i2c bus 3");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2730) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2731) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2732) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2733) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2734) 	unittest(1, "overlay test %d passed\n", 15);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2735) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2736) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2737) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2738) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2739) static inline void of_unittest_overlay_i2c_14(void) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2740) static inline void of_unittest_overlay_i2c_15(void) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2741) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2742) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2743) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2744) static void __init of_unittest_overlay(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2745) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2746) 	struct device_node *bus_np = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2747) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2748) 	if (platform_driver_register(&unittest_driver)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2749) 		unittest(0, "could not register unittest driver\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2750) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2751) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2752) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2753) 	bus_np = of_find_node_by_path(bus_path);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2754) 	if (bus_np == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2755) 		unittest(0, "could not find bus_path \"%s\"\n", bus_path);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2756) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2757) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2758) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2759) 	if (of_platform_default_populate(bus_np, NULL, NULL)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2760) 		unittest(0, "could not populate bus @ \"%s\"\n", bus_path);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2761) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2762) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2763) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2764) 	if (!of_unittest_device_exists(100, PDEV_OVERLAY)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2765) 		unittest(0, "could not find unittest0 @ \"%s\"\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2766) 				unittest_path(100, PDEV_OVERLAY));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2767) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2768) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2769) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2770) 	if (of_unittest_device_exists(101, PDEV_OVERLAY)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2771) 		unittest(0, "unittest1 @ \"%s\" should not exist\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2772) 				unittest_path(101, PDEV_OVERLAY));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2773) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2774) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2775) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2776) 	unittest(1, "basic infrastructure of overlays passed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2777) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2778) 	/* tests in sequence */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2779) 	of_unittest_overlay_0();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2780) 	of_unittest_overlay_1();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2781) 	of_unittest_overlay_2();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2782) 	of_unittest_overlay_3();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2783) 	of_unittest_overlay_4();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2784) 	of_unittest_overlay_5();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2785) 	of_unittest_overlay_6();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2786) 	of_unittest_overlay_8();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2787) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2788) 	of_unittest_overlay_10();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2789) 	of_unittest_overlay_11();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2790) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2791) #if IS_BUILTIN(CONFIG_I2C)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2792) 	if (unittest(of_unittest_overlay_i2c_init() == 0, "i2c init failed\n"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2793) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2794) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2795) 	of_unittest_overlay_i2c_12();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2796) 	of_unittest_overlay_i2c_13();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2797) 	of_unittest_overlay_i2c_14();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2798) 	of_unittest_overlay_i2c_15();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2799) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2800) 	of_unittest_overlay_i2c_cleanup();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2801) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2802) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2803) 	of_unittest_overlay_gpio();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2804) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2805) 	of_unittest_destroy_tracked_overlays();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2806) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2807) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2808) 	of_node_put(bus_np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2809) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2810) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2811) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2812) static inline void __init of_unittest_overlay(void) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2813) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2814) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2815) #ifdef CONFIG_OF_OVERLAY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2816) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2817) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2818)  * __dtb_ot_begin[] and __dtb_ot_end[] are created by cmd_dt_S_dtb
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2819)  * in scripts/Makefile.lib
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2820)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2821) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2822) #define OVERLAY_INFO_EXTERN(name) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2823) 	extern uint8_t __dtb_##name##_begin[]; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2824) 	extern uint8_t __dtb_##name##_end[]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2825) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2826) #define OVERLAY_INFO(overlay_name, expected)             \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2827) {	.dtb_begin       = __dtb_##overlay_name##_begin, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2828) 	.dtb_end         = __dtb_##overlay_name##_end,   \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2829) 	.expected_result = expected,                     \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2830) 	.name            = #overlay_name,                \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2831) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2832) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2833) struct overlay_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2834) 	uint8_t		*dtb_begin;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2835) 	uint8_t		*dtb_end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2836) 	int		expected_result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2837) 	int		overlay_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2838) 	char		*name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2839) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2840) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2841) OVERLAY_INFO_EXTERN(overlay_base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2842) OVERLAY_INFO_EXTERN(overlay);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2843) OVERLAY_INFO_EXTERN(overlay_0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2844) OVERLAY_INFO_EXTERN(overlay_1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2845) OVERLAY_INFO_EXTERN(overlay_2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2846) OVERLAY_INFO_EXTERN(overlay_3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2847) OVERLAY_INFO_EXTERN(overlay_4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2848) OVERLAY_INFO_EXTERN(overlay_5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2849) OVERLAY_INFO_EXTERN(overlay_6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2850) OVERLAY_INFO_EXTERN(overlay_7);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2851) OVERLAY_INFO_EXTERN(overlay_8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2852) OVERLAY_INFO_EXTERN(overlay_9);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2853) OVERLAY_INFO_EXTERN(overlay_10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2854) OVERLAY_INFO_EXTERN(overlay_11);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2855) OVERLAY_INFO_EXTERN(overlay_12);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2856) OVERLAY_INFO_EXTERN(overlay_13);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2857) OVERLAY_INFO_EXTERN(overlay_15);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2858) OVERLAY_INFO_EXTERN(overlay_gpio_01);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2859) OVERLAY_INFO_EXTERN(overlay_gpio_02a);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2860) OVERLAY_INFO_EXTERN(overlay_gpio_02b);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2861) OVERLAY_INFO_EXTERN(overlay_gpio_03);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2862) OVERLAY_INFO_EXTERN(overlay_gpio_04a);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2863) OVERLAY_INFO_EXTERN(overlay_gpio_04b);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2864) OVERLAY_INFO_EXTERN(overlay_bad_add_dup_node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2865) OVERLAY_INFO_EXTERN(overlay_bad_add_dup_prop);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2866) OVERLAY_INFO_EXTERN(overlay_bad_phandle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2867) OVERLAY_INFO_EXTERN(overlay_bad_symbol);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2868) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2869) /* entries found by name */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2870) static struct overlay_info overlays[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2871) 	OVERLAY_INFO(overlay_base, -9999),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2872) 	OVERLAY_INFO(overlay, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2873) 	OVERLAY_INFO(overlay_0, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2874) 	OVERLAY_INFO(overlay_1, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2875) 	OVERLAY_INFO(overlay_2, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2876) 	OVERLAY_INFO(overlay_3, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2877) 	OVERLAY_INFO(overlay_4, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2878) 	OVERLAY_INFO(overlay_5, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2879) 	OVERLAY_INFO(overlay_6, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2880) 	OVERLAY_INFO(overlay_7, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2881) 	OVERLAY_INFO(overlay_8, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2882) 	OVERLAY_INFO(overlay_9, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2883) 	OVERLAY_INFO(overlay_10, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2884) 	OVERLAY_INFO(overlay_11, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2885) 	OVERLAY_INFO(overlay_12, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2886) 	OVERLAY_INFO(overlay_13, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2887) 	OVERLAY_INFO(overlay_15, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2888) 	OVERLAY_INFO(overlay_gpio_01, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2889) 	OVERLAY_INFO(overlay_gpio_02a, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2890) 	OVERLAY_INFO(overlay_gpio_02b, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2891) 	OVERLAY_INFO(overlay_gpio_03, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2892) 	OVERLAY_INFO(overlay_gpio_04a, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2893) 	OVERLAY_INFO(overlay_gpio_04b, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2894) 	OVERLAY_INFO(overlay_bad_add_dup_node, -EINVAL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2895) 	OVERLAY_INFO(overlay_bad_add_dup_prop, -EINVAL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2896) 	OVERLAY_INFO(overlay_bad_phandle, -EINVAL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2897) 	OVERLAY_INFO(overlay_bad_symbol, -EINVAL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2898) 	/* end marker */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2899) 	{.dtb_begin = NULL, .dtb_end = NULL, .expected_result = 0, .name = NULL}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2900) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2901) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2902) static struct device_node *overlay_base_root;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2903) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2904) static void * __init dt_alloc_memory(u64 size, u64 align)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2905) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2906) 	void *ptr = memblock_alloc(size, align);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2907) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2908) 	if (!ptr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2909) 		panic("%s: Failed to allocate %llu bytes align=0x%llx\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2910) 		      __func__, size, align);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2911) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2912) 	return ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2913) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2914) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2915) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2916)  * Create base device tree for the overlay unittest.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2917)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2918)  * This is called from very early boot code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2919)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2920)  * Do as much as possible the same way as done in __unflatten_device_tree
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2921)  * and other early boot steps for the normal FDT so that the overlay base
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2922)  * unflattened tree will have the same characteristics as the real tree
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2923)  * (such as having memory allocated by the early allocator).  The goal
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2924)  * is to test "the real thing" as much as possible, and test "test setup
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2925)  * code" as little as possible.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2926)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2927)  * Have to stop before resolving phandles, because that uses kmalloc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2928)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2929) void __init unittest_unflatten_overlay_base(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2930) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2931) 	struct overlay_info *info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2932) 	u32 data_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2933) 	void *new_fdt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2934) 	u32 size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2935) 	int found = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2936) 	const char *overlay_name = "overlay_base";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2937) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2938) 	for (info = overlays; info && info->name; info++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2939) 		if (!strcmp(overlay_name, info->name)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2940) 			found = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2941) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2942) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2943) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2944) 	if (!found) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2945) 		pr_err("no overlay data for %s\n", overlay_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2946) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2947) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2948) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2949) 	info = &overlays[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2950) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2951) 	if (info->expected_result != -9999) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2952) 		pr_err("No dtb 'overlay_base' to attach\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2953) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2954) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2955) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2956) 	data_size = info->dtb_end - info->dtb_begin;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2957) 	if (!data_size) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2958) 		pr_err("No dtb 'overlay_base' to attach\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2959) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2960) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2961) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2962) 	size = fdt_totalsize(info->dtb_begin);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2963) 	if (size != data_size) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2964) 		pr_err("dtb 'overlay_base' header totalsize != actual size");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2965) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2966) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2967) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2968) 	new_fdt = dt_alloc_memory(size, roundup_pow_of_two(FDT_V17_SIZE));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2969) 	if (!new_fdt) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2970) 		pr_err("alloc for dtb 'overlay_base' failed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2971) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2972) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2973) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2974) 	memcpy(new_fdt, info->dtb_begin, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2975) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2976) 	__unflatten_device_tree(new_fdt, NULL, &overlay_base_root,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2977) 				dt_alloc_memory, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2978) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2979) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2980) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2981)  * The purpose of of_unittest_overlay_data_add is to add an
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2982)  * overlay in the normal fashion.  This is a test of the whole
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2983)  * picture, instead of testing individual elements.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2984)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2985)  * A secondary purpose is to be able to verify that the contents of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2986)  * /proc/device-tree/ contains the updated structure and values from
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2987)  * the overlay.  That must be verified separately in user space.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2988)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2989)  * Return 0 on unexpected error.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2990)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2991) static int __init overlay_data_apply(const char *overlay_name, int *overlay_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2992) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2993) 	struct overlay_info *info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2994) 	int found = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2995) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2996) 	u32 size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2997) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2998) 	for (info = overlays; info && info->name; info++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2999) 		if (!strcmp(overlay_name, info->name)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3000) 			found = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3001) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3002) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3003) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3004) 	if (!found) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3005) 		pr_err("no overlay data for %s\n", overlay_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3006) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3007) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3008) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3009) 	size = info->dtb_end - info->dtb_begin;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3010) 	if (!size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3011) 		pr_err("no overlay data for %s\n", overlay_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3012) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3013) 	ret = of_overlay_fdt_apply(info->dtb_begin, size, &info->overlay_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3014) 	if (overlay_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3015) 		*overlay_id = info->overlay_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3016) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3017) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3018) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3019) 	pr_debug("%s applied\n", overlay_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3020) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3021) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3022) 	if (ret != info->expected_result)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3023) 		pr_err("of_overlay_fdt_apply() expected %d, ret=%d, %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3024) 		       info->expected_result, ret, overlay_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3025) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3026) 	return (ret == info->expected_result);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3027) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3028) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3029) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3030)  * The purpose of of_unittest_overlay_high_level is to add an overlay
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3031)  * in the normal fashion.  This is a test of the whole picture,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3032)  * instead of individual elements.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3033)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3034)  * The first part of the function is _not_ normal overlay usage; it is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3035)  * finishing splicing the base overlay device tree into the live tree.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3036)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3037) static __init void of_unittest_overlay_high_level(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3038) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3039) 	struct device_node *last_sibling;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3040) 	struct device_node *np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3041) 	struct device_node *of_symbols;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3042) 	struct device_node *overlay_base_symbols;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3043) 	struct device_node **pprev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3044) 	struct property *prop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3045) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3046) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3047) 	if (!overlay_base_root) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3048) 		unittest(0, "overlay_base_root not initialized\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3049) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3050) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3051) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3052) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3053) 	 * Could not fixup phandles in unittest_unflatten_overlay_base()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3054) 	 * because kmalloc() was not yet available.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3055) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3056) 	of_overlay_mutex_lock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3057) 	of_resolve_phandles(overlay_base_root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3058) 	of_overlay_mutex_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3059) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3060) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3061) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3062) 	 * do not allow overlay_base to duplicate any node already in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3063) 	 * tree, this greatly simplifies the code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3064) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3065) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3066) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3067) 	 * remove overlay_base_root node "__local_fixups", after
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3068) 	 * being used by of_resolve_phandles()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3069) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3070) 	pprev = &overlay_base_root->child;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3071) 	for (np = overlay_base_root->child; np; np = np->sibling) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3072) 		if (of_node_name_eq(np, "__local_fixups__")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3073) 			*pprev = np->sibling;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3074) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3075) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3076) 		pprev = &np->sibling;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3077) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3078) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3079) 	/* remove overlay_base_root node "__symbols__" if in live tree */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3080) 	of_symbols = of_get_child_by_name(of_root, "__symbols__");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3081) 	if (of_symbols) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3082) 		/* will have to graft properties from node into live tree */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3083) 		pprev = &overlay_base_root->child;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3084) 		for (np = overlay_base_root->child; np; np = np->sibling) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3085) 			if (of_node_name_eq(np, "__symbols__")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3086) 				overlay_base_symbols = np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3087) 				*pprev = np->sibling;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3088) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3089) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3090) 			pprev = &np->sibling;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3091) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3092) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3093) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3094) 	for_each_child_of_node(overlay_base_root, np) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3095) 		struct device_node *base_child;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3096) 		for_each_child_of_node(of_root, base_child) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3097) 			if (!strcmp(np->full_name, base_child->full_name)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3098) 				unittest(0, "illegal node name in overlay_base %pOFn",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3099) 					 np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3100) 				return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3101) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3102) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3103) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3104) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3105) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3106) 	 * overlay 'overlay_base' is not allowed to have root
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3107) 	 * properties, so only need to splice nodes into main device tree.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3108) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3109) 	 * root node of *overlay_base_root will not be freed, it is lost
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3110) 	 * memory.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3111) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3112) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3113) 	for (np = overlay_base_root->child; np; np = np->sibling)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3114) 		np->parent = of_root;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3115) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3116) 	mutex_lock(&of_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3117) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3118) 	for (last_sibling = np = of_root->child; np; np = np->sibling)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3119) 		last_sibling = np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3120) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3121) 	if (last_sibling)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3122) 		last_sibling->sibling = overlay_base_root->child;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3123) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3124) 		of_root->child = overlay_base_root->child;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3125) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3126) 	for_each_of_allnodes_from(overlay_base_root, np)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3127) 		__of_attach_node_sysfs(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3128) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3129) 	if (of_symbols) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3130) 		struct property *new_prop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3131) 		for_each_property_of_node(overlay_base_symbols, prop) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3132) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3133) 			new_prop = __of_prop_dup(prop, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3134) 			if (!new_prop) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3135) 				unittest(0, "__of_prop_dup() of '%s' from overlay_base node __symbols__",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3136) 					 prop->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3137) 				goto err_unlock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3138) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3139) 			if (__of_add_property(of_symbols, new_prop)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3140) 				kfree(new_prop->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3141) 				kfree(new_prop->value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3142) 				kfree(new_prop);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3143) 				/* "name" auto-generated by unflatten */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3144) 				if (!strcmp(prop->name, "name"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3145) 					continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3146) 				unittest(0, "duplicate property '%s' in overlay_base node __symbols__",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3147) 					 prop->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3148) 				goto err_unlock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3149) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3150) 			if (__of_add_property_sysfs(of_symbols, new_prop)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3151) 				unittest(0, "unable to add property '%s' in overlay_base node __symbols__ to sysfs",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3152) 					 prop->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3153) 				goto err_unlock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3154) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3155) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3156) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3157) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3158) 	mutex_unlock(&of_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3159) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3160) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3161) 	/* now do the normal overlay usage test */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3162) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3163) 	EXPECT_BEGIN(KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3164) 		     "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/substation@100/status");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3165) 	EXPECT_BEGIN(KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3166) 		     "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/fairway-1/status");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3167) 	EXPECT_BEGIN(KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3168) 		     "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/fairway-1/ride@100/track@30/incline-up");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3169) 	EXPECT_BEGIN(KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3170) 		     "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/fairway-1/ride@100/track@40/incline-up");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3171) 	EXPECT_BEGIN(KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3172) 		     "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/lights@40000/status");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3173) 	EXPECT_BEGIN(KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3174) 		     "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/lights@40000/color");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3175) 	EXPECT_BEGIN(KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3176) 		     "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/lights@40000/rate");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3177) 	EXPECT_BEGIN(KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3178) 		     "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /__symbols__/hvac_2");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3179) 	EXPECT_BEGIN(KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3180) 		     "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /__symbols__/ride_200");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3181) 	EXPECT_BEGIN(KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3182) 		     "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /__symbols__/ride_200_left");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3183) 	EXPECT_BEGIN(KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3184) 		     "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /__symbols__/ride_200_right");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3185) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3186) 	ret = overlay_data_apply("overlay", NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3187) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3188) 	EXPECT_END(KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3189) 		   "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /__symbols__/ride_200_right");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3190) 	EXPECT_END(KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3191) 		   "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /__symbols__/ride_200_left");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3192) 	EXPECT_END(KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3193) 		   "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /__symbols__/ride_200");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3194) 	EXPECT_END(KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3195) 		   "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /__symbols__/hvac_2");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3196) 	EXPECT_END(KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3197) 		   "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/lights@40000/rate");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3198) 	EXPECT_END(KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3199) 		   "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/lights@40000/color");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3200) 	EXPECT_END(KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3201) 		   "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/lights@40000/status");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3202) 	EXPECT_END(KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3203) 		   "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/fairway-1/ride@100/track@40/incline-up");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3204) 	EXPECT_END(KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3205) 		   "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/fairway-1/ride@100/track@30/incline-up");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3206) 	EXPECT_END(KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3207) 		   "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/fairway-1/status");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3208) 	EXPECT_END(KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3209) 		   "OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/substation@100/status");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3210) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3211) 	unittest(ret, "Adding overlay 'overlay' failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3212) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3213) 	EXPECT_BEGIN(KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3214) 		     "OF: overlay: ERROR: multiple fragments add and/or delete node /testcase-data-2/substation@100/motor-1/controller");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3215) 	EXPECT_BEGIN(KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3216) 		     "OF: overlay: ERROR: multiple fragments add, update, and/or delete property /testcase-data-2/substation@100/motor-1/controller/name");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3217) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3218) 	unittest(overlay_data_apply("overlay_bad_add_dup_node", NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3219) 		 "Adding overlay 'overlay_bad_add_dup_node' failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3220) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3221) 	EXPECT_END(KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3222) 		   "OF: overlay: ERROR: multiple fragments add, update, and/or delete property /testcase-data-2/substation@100/motor-1/controller/name");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3223) 	EXPECT_END(KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3224) 		   "OF: overlay: ERROR: multiple fragments add and/or delete node /testcase-data-2/substation@100/motor-1/controller");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3225) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3226) 	EXPECT_BEGIN(KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3227) 		     "OF: overlay: ERROR: multiple fragments add and/or delete node /testcase-data-2/substation@100/motor-1/electric");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3228) 	EXPECT_BEGIN(KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3229) 		     "OF: overlay: ERROR: multiple fragments add, update, and/or delete property /testcase-data-2/substation@100/motor-1/electric/rpm_avail");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3230) 	EXPECT_BEGIN(KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3231) 		     "OF: overlay: ERROR: multiple fragments add, update, and/or delete property /testcase-data-2/substation@100/motor-1/electric/name");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3232) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3233) 	unittest(overlay_data_apply("overlay_bad_add_dup_prop", NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3234) 		 "Adding overlay 'overlay_bad_add_dup_prop' failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3235) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3236) 	EXPECT_END(KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3237) 		     "OF: overlay: ERROR: multiple fragments add, update, and/or delete property /testcase-data-2/substation@100/motor-1/electric/name");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3238) 	EXPECT_END(KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3239) 		     "OF: overlay: ERROR: multiple fragments add, update, and/or delete property /testcase-data-2/substation@100/motor-1/electric/rpm_avail");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3240) 	EXPECT_END(KERN_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3241) 		     "OF: overlay: ERROR: multiple fragments add and/or delete node /testcase-data-2/substation@100/motor-1/electric");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3242) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3243) 	unittest(overlay_data_apply("overlay_bad_phandle", NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3244) 		 "Adding overlay 'overlay_bad_phandle' failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3245) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3246) 	unittest(overlay_data_apply("overlay_bad_symbol", NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3247) 		 "Adding overlay 'overlay_bad_symbol' failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3248) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3249) 	return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3250) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3251) err_unlock:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3252) 	mutex_unlock(&of_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3253) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3254) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3255) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3256) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3257) static inline __init void of_unittest_overlay_high_level(void) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3258) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3259) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3260) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3261) static int __init of_unittest(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3262) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3263) 	struct device_node *np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3264) 	int res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3265) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3266) 	pr_info("start of unittest - you will see error messages\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3267) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3268) 	/* adding data for unittest */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3269) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3270) 	if (IS_ENABLED(CONFIG_UML))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3271) 		unittest_unflatten_overlay_base();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3272) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3273) 	res = unittest_data_add();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3274) 	if (res)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3275) 		return res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3276) 	if (!of_aliases)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3277) 		of_aliases = of_find_node_by_path("/aliases");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3278) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3279) 	np = of_find_node_by_path("/testcase-data/phandle-tests/consumer-a");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3280) 	if (!np) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3281) 		pr_info("No testcase data in device tree; not running tests\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3282) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3283) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3284) 	of_node_put(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3285) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3286) 	of_unittest_check_tree_linkage();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3287) 	of_unittest_check_phandles();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3288) 	of_unittest_find_node_by_name();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3289) 	of_unittest_dynamic();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3290) 	of_unittest_parse_phandle_with_args();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3291) 	of_unittest_parse_phandle_with_args_map();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3292) 	of_unittest_printf();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3293) 	of_unittest_property_string();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3294) 	of_unittest_property_copy();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3295) 	of_unittest_changeset();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3296) 	of_unittest_parse_interrupts();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3297) 	of_unittest_parse_interrupts_extended();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3298) 	of_unittest_dma_get_max_cpu_address();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3299) 	of_unittest_parse_dma_ranges();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3300) 	of_unittest_pci_dma_ranges();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3301) 	of_unittest_match_node();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3302) 	of_unittest_platform_populate();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3303) 	of_unittest_overlay();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3304) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3305) 	/* Double check linkage after removing testcase data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3306) 	of_unittest_check_tree_linkage();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3307) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3308) 	of_unittest_overlay_high_level();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3309) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3310) 	pr_info("end of unittest - %i passed, %i failed\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3311) 		unittest_results.passed, unittest_results.failed);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3312) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3313) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3314) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3315) late_initcall(of_unittest);