^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (C) 2006-2008 Nokia Corporation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Test random reads, writes and erases on MTD device.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Author: Adrian Hunter <ext-adrian.hunter@nokia.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/moduleparam.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/err.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/mtd/mtd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/sched.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/vmalloc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/random.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include "mtd_test.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) static int dev = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) module_param(dev, int, S_IRUGO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) MODULE_PARM_DESC(dev, "MTD device number to use");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) static int count = 10000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) module_param(count, int, S_IRUGO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) MODULE_PARM_DESC(count, "Number of operations to do (default is 10000)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) static struct mtd_info *mtd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) static unsigned char *writebuf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) static unsigned char *readbuf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) static unsigned char *bbt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) static int *offsets;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) static int pgsize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) static int bufsize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) static int ebcnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) static int pgcnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) static int rand_eb(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) unsigned int eb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) again:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) eb = prandom_u32();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) /* Read or write up 2 eraseblocks at a time - hence 'ebcnt - 1' */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) eb %= (ebcnt - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) if (bbt[eb])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) goto again;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) return eb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) static int rand_offs(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) unsigned int offs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) offs = prandom_u32();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) offs %= bufsize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) return offs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) static int rand_len(int offs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) unsigned int len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) len = prandom_u32();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) len %= (bufsize - offs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) static int do_read(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) int eb = rand_eb();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) int offs = rand_offs();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) int len = rand_len(offs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) loff_t addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) if (bbt[eb + 1]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) if (offs >= mtd->erasesize)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) offs -= mtd->erasesize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) if (offs + len > mtd->erasesize)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) len = mtd->erasesize - offs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) addr = (loff_t)eb * mtd->erasesize + offs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) return mtdtest_read(mtd, addr, len, readbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) static int do_write(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) int eb = rand_eb(), offs, err, len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) loff_t addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) offs = offsets[eb];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) if (offs >= mtd->erasesize) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) err = mtdtest_erase_eraseblock(mtd, eb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) offs = offsets[eb] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) len = rand_len(offs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) len = ((len + pgsize - 1) / pgsize) * pgsize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) if (offs + len > mtd->erasesize) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) if (bbt[eb + 1])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) len = mtd->erasesize - offs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) err = mtdtest_erase_eraseblock(mtd, eb + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) offsets[eb + 1] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) addr = (loff_t)eb * mtd->erasesize + offs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) err = mtdtest_write(mtd, addr, len, writebuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) if (unlikely(err))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) offs += len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) while (offs > mtd->erasesize) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) offsets[eb++] = mtd->erasesize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) offs -= mtd->erasesize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) offsets[eb] = offs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) static int do_operation(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) if (prandom_u32() & 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) return do_read();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) return do_write();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) static int __init mtd_stresstest_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) int i, op;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) uint64_t tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) printk(KERN_INFO "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) printk(KERN_INFO "=================================================\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) if (dev < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) pr_info("Please specify a valid mtd-device via module parameter\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) pr_crit("CAREFUL: This test wipes all data on the specified MTD device!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) pr_info("MTD device: %d\n", dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) mtd = get_mtd_device(NULL, dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) if (IS_ERR(mtd)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) err = PTR_ERR(mtd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) pr_err("error: cannot get MTD device\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) if (mtd->writesize == 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) pr_info("not NAND flash, assume page size is 512 "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) "bytes.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) pgsize = 512;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) pgsize = mtd->writesize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) tmp = mtd->size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) do_div(tmp, mtd->erasesize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) ebcnt = tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) pgcnt = mtd->erasesize / pgsize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) pr_info("MTD device size %llu, eraseblock size %u, "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) "page size %u, count of eraseblocks %u, pages per "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) "eraseblock %u, OOB size %u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) (unsigned long long)mtd->size, mtd->erasesize,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) pgsize, ebcnt, pgcnt, mtd->oobsize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) if (ebcnt < 2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) pr_err("error: need at least 2 eraseblocks\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) err = -ENOSPC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) goto out_put_mtd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) /* Read or write up 2 eraseblocks at a time */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) bufsize = mtd->erasesize * 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) err = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) readbuf = vmalloc(bufsize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) writebuf = vmalloc(bufsize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) offsets = kmalloc_array(ebcnt, sizeof(int), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) if (!readbuf || !writebuf || !offsets)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) for (i = 0; i < ebcnt; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) offsets[i] = mtd->erasesize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) prandom_bytes(writebuf, bufsize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) bbt = kzalloc(ebcnt, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) if (!bbt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) err = mtdtest_scan_for_bad_eraseblocks(mtd, bbt, 0, ebcnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) /* Do operations */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) pr_info("doing operations\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) for (op = 0; op < count; op++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) if ((op & 1023) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) pr_info("%d operations done\n", op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) err = do_operation();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) err = mtdtest_relax();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) pr_info("finished, %d operations done\n", op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) kfree(offsets);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) kfree(bbt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) vfree(writebuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) vfree(readbuf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) out_put_mtd:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) put_mtd_device(mtd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) pr_info("error %d occurred\n", err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) printk(KERN_INFO "=================================================\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) module_init(mtd_stresstest_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) static void __exit mtd_stresstest_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) module_exit(mtd_stresstest_exit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) MODULE_DESCRIPTION("Stress test module");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) MODULE_AUTHOR("Adrian Hunter");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) MODULE_LICENSE("GPL");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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