Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  * Module Name: nsconvert - Object conversions for objects returned by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  *                          predefined methods
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  * Copyright (C) 2000 - 2020, Intel Corp.
^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) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include <acpi/acpi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include "accommon.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include "acnamesp.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include "acinterp.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include "acpredef.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include "amlresrc.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #define _COMPONENT          ACPI_NAMESPACE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) ACPI_MODULE_NAME("nsconvert")
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23)  * FUNCTION:    acpi_ns_convert_to_integer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25)  * PARAMETERS:  original_object     - Object to be converted
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26)  *              return_object       - Where the new converted object is returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28)  * RETURN:      Status. AE_OK if conversion was successful.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30)  * DESCRIPTION: Attempt to convert a String/Buffer object to an Integer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32)  ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) acpi_ns_convert_to_integer(union acpi_operand_object *original_object,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 			   union acpi_operand_object **return_object)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 	union acpi_operand_object *new_object;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	u64 value = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	u32 i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	switch (original_object->common.type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	case ACPI_TYPE_STRING:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 		/* String-to-Integer conversion */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 		status =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 		    acpi_ut_strtoul64(original_object->string.pointer, &value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 		if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 			return (status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	case ACPI_TYPE_BUFFER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 		/* Buffer-to-Integer conversion. Max buffer size is 64 bits. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 		if (original_object->buffer.length > 8) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 			return (AE_AML_OPERAND_TYPE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 		/* Extract each buffer byte to create the integer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 		for (i = 0; i < original_object->buffer.length; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 			value |= ((u64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 				  original_object->buffer.pointer[i] << (i *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 									 8));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 		return (AE_AML_OPERAND_TYPE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	new_object = acpi_ut_create_integer_object(value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	if (!new_object) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 		return (AE_NO_MEMORY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	*return_object = new_object;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	return (AE_OK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87)  * FUNCTION:    acpi_ns_convert_to_string
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89)  * PARAMETERS:  original_object     - Object to be converted
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90)  *              return_object       - Where the new converted object is returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92)  * RETURN:      Status. AE_OK if conversion was successful.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94)  * DESCRIPTION: Attempt to convert a Integer/Buffer object to a String.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96)  ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) acpi_ns_convert_to_string(union acpi_operand_object *original_object,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 			  union acpi_operand_object **return_object)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	union acpi_operand_object *new_object;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	acpi_size length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	switch (original_object->common.type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	case ACPI_TYPE_INTEGER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 		 * Integer-to-String conversion. Commonly, convert
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 		 * an integer of value 0 to a NULL string. The last element of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 		 * _BIF and _BIX packages occasionally need this fix.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 		if (original_object->integer.value == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 			/* Allocate a new NULL string object */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 			new_object = acpi_ut_create_string_object(0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 			if (!new_object) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 				return (AE_NO_MEMORY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 			status = acpi_ex_convert_to_string(original_object,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 							   &new_object,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 							   ACPI_IMPLICIT_CONVERT_HEX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 			if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 				return (status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	case ACPI_TYPE_BUFFER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 		 * Buffer-to-String conversion. Use a to_string
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 		 * conversion, no transform performed on the buffer data. The best
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 		 * example of this is the _BIF method, where the string data from
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 		 * the battery is often (incorrectly) returned as buffer object(s).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 		length = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 		while ((length < original_object->buffer.length) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 		       (original_object->buffer.pointer[length])) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 			length++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 		/* Allocate a new string object */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 		new_object = acpi_ut_create_string_object(length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 		if (!new_object) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 			return (AE_NO_MEMORY);
^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) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 		 * Copy the raw buffer data with no transform. String is already NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 		 * terminated at Length+1.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 		memcpy(new_object->string.pointer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 		       original_object->buffer.pointer, length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 		return (AE_AML_OPERAND_TYPE);
^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) 	*return_object = new_object;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	return (AE_OK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170)  * FUNCTION:    acpi_ns_convert_to_buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)  * PARAMETERS:  original_object     - Object to be converted
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173)  *              return_object       - Where the new converted object is returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175)  * RETURN:      Status. AE_OK if conversion was successful.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)  * DESCRIPTION: Attempt to convert a Integer/String/Package object to a Buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179)  ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) acpi_ns_convert_to_buffer(union acpi_operand_object *original_object,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 			  union acpi_operand_object **return_object)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 	union acpi_operand_object *new_object;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 	acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	union acpi_operand_object **elements;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	u32 *dword_buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	u32 count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 	u32 i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 	switch (original_object->common.type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	case ACPI_TYPE_INTEGER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 		 * Integer-to-Buffer conversion.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 		 * Convert the Integer to a packed-byte buffer. _MAT and other
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 		 * objects need this sometimes, if a read has been performed on a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 		 * Field object that is less than or equal to the global integer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 		 * size (32 or 64 bits).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 		status =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 		    acpi_ex_convert_to_buffer(original_object, &new_object);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 		if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 			return (status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	case ACPI_TYPE_STRING:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 		/* String-to-Buffer conversion. Simple data copy */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 		new_object = acpi_ut_create_buffer_object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 		    (original_object->string.length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 		if (!new_object) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 			return (AE_NO_MEMORY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 		memcpy(new_object->buffer.pointer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 		       original_object->string.pointer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 		       original_object->string.length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 	case ACPI_TYPE_PACKAGE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 		 * This case is often seen for predefined names that must return a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 		 * Buffer object with multiple DWORD integers within. For example,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 		 * _FDE and _GTM. The Package can be converted to a Buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 		/* All elements of the Package must be integers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 		elements = original_object->package.elements;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 		count = original_object->package.count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 		for (i = 0; i < count; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 			if ((!*elements) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 			    ((*elements)->common.type != ACPI_TYPE_INTEGER)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 				return (AE_AML_OPERAND_TYPE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 			elements++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 		/* Create the new buffer object to replace the Package */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 		new_object = acpi_ut_create_buffer_object(ACPI_MUL_4(count));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 		if (!new_object) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 			return (AE_NO_MEMORY);
^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) 		/* Copy the package elements (integers) to the buffer as DWORDs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 		elements = original_object->package.elements;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 		dword_buffer = ACPI_CAST_PTR(u32, new_object->buffer.pointer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 		for (i = 0; i < count; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 			*dword_buffer = (u32)(*elements)->integer.value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 			dword_buffer++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 			elements++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 		return (AE_AML_OPERAND_TYPE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 	*return_object = new_object;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 	return (AE_OK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273)  * FUNCTION:    acpi_ns_convert_to_unicode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275)  * PARAMETERS:  scope               - Namespace node for the method/object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276)  *              original_object     - ASCII String Object to be converted
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277)  *              return_object       - Where the new converted object is returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279)  * RETURN:      Status. AE_OK if conversion was successful.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281)  * DESCRIPTION: Attempt to convert a String object to a Unicode string Buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283)  ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) acpi_ns_convert_to_unicode(struct acpi_namespace_node *scope,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 			   union acpi_operand_object *original_object,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 			   union acpi_operand_object **return_object)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 	union acpi_operand_object *new_object;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 	char *ascii_string;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 	u16 *unicode_buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 	u32 unicode_length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 	u32 i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 	if (!original_object) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 		return (AE_OK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 	/* If a Buffer was returned, it must be at least two bytes long */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 	if (original_object->common.type == ACPI_TYPE_BUFFER) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 		if (original_object->buffer.length < 2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 			return (AE_AML_OPERAND_VALUE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 		*return_object = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 		return (AE_OK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 	 * The original object is an ASCII string. Convert this string to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 	 * a unicode buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 	ascii_string = original_object->string.pointer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 	unicode_length = (original_object->string.length * 2) + 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 	/* Create a new buffer object for the Unicode data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 	new_object = acpi_ut_create_buffer_object(unicode_length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 	if (!new_object) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 		return (AE_NO_MEMORY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 	unicode_buffer = ACPI_CAST_PTR(u16, new_object->buffer.pointer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 	/* Convert ASCII to Unicode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 	for (i = 0; i < original_object->string.length; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 		unicode_buffer[i] = (u16)ascii_string[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 	*return_object = new_object;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 	return (AE_OK);
^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) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339)  * FUNCTION:    acpi_ns_convert_to_resource
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341)  * PARAMETERS:  scope               - Namespace node for the method/object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342)  *              original_object     - Object to be converted
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343)  *              return_object       - Where the new converted object is returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345)  * RETURN:      Status. AE_OK if conversion was successful
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347)  * DESCRIPTION: Attempt to convert a Integer object to a resource_template
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348)  *              Buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350)  ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) acpi_ns_convert_to_resource(struct acpi_namespace_node *scope,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) 			    union acpi_operand_object *original_object,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) 			    union acpi_operand_object **return_object)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) 	union acpi_operand_object *new_object;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) 	u8 *buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) 	 * We can fix the following cases for an expected resource template:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) 	 * 1. No return value (interpreter slack mode is disabled)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) 	 * 2. A "Return (Zero)" statement
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) 	 * 3. A "Return empty buffer" statement
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) 	 * We will return a buffer containing a single end_tag
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) 	 * resource descriptor.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) 	if (original_object) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) 		switch (original_object->common.type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) 		case ACPI_TYPE_INTEGER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) 			/* We can only repair an Integer==0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) 			if (original_object->integer.value) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) 				return (AE_AML_OPERAND_TYPE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) 		case ACPI_TYPE_BUFFER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) 			if (original_object->buffer.length) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) 				/* Additional checks can be added in the future */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) 				*return_object = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) 				return (AE_OK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) 		case ACPI_TYPE_STRING:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) 		default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) 			return (AE_AML_OPERAND_TYPE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) 	/* Create the new buffer object for the resource descriptor */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) 	new_object = acpi_ut_create_buffer_object(2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) 	if (!new_object) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) 		return (AE_NO_MEMORY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) 	buffer = ACPI_CAST_PTR(u8, new_object->buffer.pointer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) 	/* Initialize the Buffer with a single end_tag descriptor */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) 	buffer[0] = (ACPI_RESOURCE_NAME_END_TAG | ASL_RDESC_END_TAG_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) 	buffer[1] = 0x00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) 	*return_object = new_object;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) 	return (AE_OK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418)  * FUNCTION:    acpi_ns_convert_to_reference
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420)  * PARAMETERS:  scope               - Namespace node for the method/object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421)  *              original_object     - Object to be converted
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422)  *              return_object       - Where the new converted object is returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424)  * RETURN:      Status. AE_OK if conversion was successful
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426)  * DESCRIPTION: Attempt to convert a Integer object to a object_reference.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427)  *              Buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429)  ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) acpi_ns_convert_to_reference(struct acpi_namespace_node *scope,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) 			     union acpi_operand_object *original_object,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) 			     union acpi_operand_object **return_object)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) 	union acpi_operand_object *new_object = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) 	acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) 	struct acpi_namespace_node *node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) 	union acpi_generic_state scope_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) 	char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) 	ACPI_FUNCTION_NAME(ns_convert_to_reference);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) 	/* Convert path into internal presentation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) 	status =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) 	    acpi_ns_internalize_name(original_object->string.pointer, &name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) 	if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) 		return_ACPI_STATUS(status);
^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) 	/* Find the namespace node */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) 	scope_info.scope.node =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) 	    ACPI_CAST_PTR(struct acpi_namespace_node, scope);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) 	status =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) 	    acpi_ns_lookup(&scope_info, name, ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) 			   ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) 			   NULL, &node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) 	if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) 		/* Check if we are resolving a named reference within a package */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) 		ACPI_ERROR_NAMESPACE(&scope_info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) 				     original_object->string.pointer, status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) 		goto error_exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) 	/* Create and init a new internal ACPI object */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) 	new_object = acpi_ut_create_internal_object(ACPI_TYPE_LOCAL_REFERENCE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) 	if (!new_object) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) 		status = AE_NO_MEMORY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) 		goto error_exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) 	new_object->reference.node = node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) 	new_object->reference.object = node->object;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) 	new_object->reference.class = ACPI_REFCLASS_NAME;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) 	 * Increase reference of the object if needed (the object is likely a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) 	 * null for device nodes).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) 	acpi_ut_add_reference(node->object);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) error_exit:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) 	ACPI_FREE(name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) 	*return_object = new_object;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) 	return (status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) }