diff options
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/acpi_memhotplug.c | 18 | ||||
| -rw-r--r-- | drivers/acpi/acpica/Makefile | 2 | ||||
| -rw-r--r-- | drivers/acpi/acpica/utclib.c | 749 | ||||
| -rw-r--r-- | drivers/acpi/apei/erst-dbg.c | 11 | ||||
| -rw-r--r-- | drivers/acpi/device_pm.c | 3 | ||||
| -rw-r--r-- | drivers/acpi/glue.c | 9 | ||||
| -rw-r--r-- | drivers/acpi/power.c | 11 | ||||
| -rw-r--r-- | drivers/acpi/scan.c | 2 |
8 files changed, 22 insertions, 783 deletions
diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c index eb30e5ab4cab..b679bf8478f7 100644 --- a/drivers/acpi/acpi_memhotplug.c +++ b/drivers/acpi/acpi_memhotplug.c @@ -226,16 +226,6 @@ static int acpi_memory_enable_device(struct acpi_memory_device *mem_device) struct acpi_memory_info *info; int node; - - /* Get the range from the _CRS */ - result = acpi_memory_get_device_resources(mem_device); - if (result) { - dev_err(&mem_device->device->dev, - "get_device_resources failed\n"); - mem_device->state = MEMORY_INVALID_STATE; - return result; - } - node = acpi_get_node(mem_device->device->handle); /* * Tell the VM there is more memory here... @@ -342,14 +332,6 @@ static void acpi_memory_device_notify(acpi_handle handle, u32 event, void *data) break; } - if (acpi_memory_check_device(mem_device)) - break; - - if (acpi_memory_enable_device(mem_device)) { - acpi_handle_err(handle,"Cannot enable memory device\n"); - break; - } - ost_code = ACPI_OST_SC_SUCCESS; break; diff --git a/drivers/acpi/acpica/Makefile b/drivers/acpi/acpica/Makefile index c8bc24bd1f72..bc7a03ded064 100644 --- a/drivers/acpi/acpica/Makefile +++ b/drivers/acpi/acpica/Makefile @@ -162,5 +162,5 @@ acpi-y += \ utxferror.o \ utxfmutex.o -acpi-$(ACPI_FUTURE_USAGE) += uttrack.o utcache.o utclib.o +acpi-$(ACPI_FUTURE_USAGE) += uttrack.o utcache.o diff --git a/drivers/acpi/acpica/utclib.c b/drivers/acpi/acpica/utclib.c deleted file mode 100644 index 19ea4755aa73..000000000000 --- a/drivers/acpi/acpica/utclib.c +++ /dev/null @@ -1,749 +0,0 @@ -/****************************************************************************** - * - * Module Name: cmclib - Local implementation of C library functions - * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2012, Intel Corp. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - -#include <acpi/acpi.h> -#include "accommon.h" - -/* - * These implementations of standard C Library routines can optionally be - * used if a C library is not available. In general, they are less efficient - * than an inline or assembly implementation - */ - -#define _COMPONENT ACPI_UTILITIES -ACPI_MODULE_NAME("cmclib") - -#ifndef ACPI_USE_SYSTEM_CLIBRARY -#define NEGATIVE 1 -#define POSITIVE 0 -/******************************************************************************* - * - * FUNCTION: acpi_ut_memcmp (memcmp) - * - * PARAMETERS: buffer1 - First Buffer - * buffer2 - Second Buffer - * count - Maximum # of bytes to compare - * - * RETURN: Index where Buffers mismatched, or 0 if Buffers matched - * - * DESCRIPTION: Compare two Buffers, with a maximum length - * - ******************************************************************************/ -int acpi_ut_memcmp(const char *buffer1, const char *buffer2, acpi_size count) -{ - - return ((count == ACPI_SIZE_MAX) ? 0 : ((unsigned char)*buffer1 - - (unsigned char)*buffer2)); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ut_memcpy (memcpy) - * - * PARAMETERS: dest - Target of the copy - * src - Source buffer to copy - * count - Number of bytes to copy - * - * RETURN: Dest - * - * DESCRIPTION: Copy arbitrary bytes of memory - * - ******************************************************************************/ - -void *acpi_ut_memcpy(void *dest, const void *src, acpi_size count) -{ - char *new = (char *)dest; - char *old = (char *)src; - - while (count) { - *new = *old; - new++; - old++; - count--; - } - - return (dest); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ut_memset (memset) - * - * PARAMETERS: dest - Buffer to set - * value - Value to set each byte of memory - * count - Number of bytes to set - * - * RETURN: Dest - * - * DESCRIPTION: Initialize a buffer to a known value. - * - ******************************************************************************/ - -void *acpi_ut_memset(void *dest, u8 value, acpi_size count) -{ - char *new = (char *)dest; - - while (count) { - *new = (char)value; - new++; - count--; - } - - return (dest); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ut_strlen (strlen) - * - * PARAMETERS: string - Null terminated string - * - * RETURN: Length - * - * DESCRIPTION: Returns the length of the input string - * - ******************************************************************************/ - -acpi_size acpi_ut_strlen(const char *string) -{ - u32 length = 0; - - /* Count the string until a null is encountered */ - - while (*string) { - length++; - string++; - } - - return (length); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ut_strcpy (strcpy) - * - * PARAMETERS: dst_string - Target of the copy - * src_string - The source string to copy - * - * RETURN: dst_string - * - * DESCRIPTION: Copy a null terminated string - * - ******************************************************************************/ - -char *acpi_ut_strcpy(char *dst_string, const char *src_string) -{ - char *string = dst_string; - - /* Move bytes brute force */ - - while (*src_string) { - *string = *src_string; - - string++; - src_string++; - } - - /* Null terminate */ - - *string = 0; - return (dst_string); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ut_strncpy (strncpy) - * - * PARAMETERS: dst_string - Target of the copy - * src_string - The source string to copy - * count - Maximum # of bytes to copy - * - * RETURN: dst_string - * - * DESCRIPTION: Copy a null terminated string, with a maximum length - * - ******************************************************************************/ - -char *acpi_ut_strncpy(char *dst_string, const char *src_string, acpi_size count) -{ - char *string = dst_string; - - /* Copy the string */ - - for (string = dst_string; - count && (count--, (*string++ = *src_string++));) {; - } - - /* Pad with nulls if necessary */ - - while (count--) { - *string = 0; - string++; - } - - /* Return original pointer */ - - return (dst_string); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ut_strcmp (strcmp) - * - * PARAMETERS: string1 - First string - * string2 - Second string - * - * RETURN: Index where strings mismatched, or 0 if strings matched - * - * DESCRIPTION: Compare two null terminated strings - * - ******************************************************************************/ - -int acpi_ut_strcmp(const char *string1, const char *string2) -{ - - for (; (*string1 == *string2); string2++) { - if (!*string1++) { - return (0); - } - } - - return ((unsigned char)*string1 - (unsigned char)*string2); -} - -#ifdef ACPI_FUTURE_IMPLEMENTATION -/* Not used at this time */ -/******************************************************************************* - * - * FUNCTION: acpi_ut_strchr (strchr) - * - * PARAMETERS: string - Search string - * ch - character to search for - * - * RETURN: Ptr to char or NULL if not found - * - * DESCRIPTION: Search a string for a character - * - ******************************************************************************/ - -char *acpi_ut_strchr(const char *string, int ch) -{ - - for (; (*string); string++) { - if ((*string) == (char)ch) { - return ((char *)string); - } - } - - return (NULL); -} -#endif - -/******************************************************************************* - * - * FUNCTION: acpi_ut_strncmp (strncmp) - * - * PARAMETERS: string1 - First string - * string2 - Second string - * count - Maximum # of bytes to compare - * - * RETURN: Index where strings mismatched, or 0 if strings matched - * - * DESCRIPTION: Compare two null terminated strings, with a maximum length - * - ******************************************************************************/ - -int acpi_ut_strncmp(const char *string1, const char *string2, acpi_size count) -{ - - for (; count-- && (*string1 == *string2); string2++) { - if (!*string1++) { - return (0); - } - } - - return ((count == ACPI_SIZE_MAX) ? 0 : ((unsigned char)*string1 - - (unsigned char)*string2)); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ut_strcat (Strcat) - * - * PARAMETERS: dst_string - Target of the copy - * src_string - The source string to copy - * - * RETURN: dst_string - * - * DESCRIPTION: Append a null terminated string to a null terminated string - * - ******************************************************************************/ - -char *acpi_ut_strcat(char *dst_string, const char *src_string) -{ - char *string; - - /* Find end of the destination string */ - - for (string = dst_string; *string++;) {; - } - - /* Concatenate the string */ - - for (--string; (*string++ = *src_string++);) {; - } - - return (dst_string); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ut_strncat (strncat) - * - * PARAMETERS: dst_string - Target of the copy - * src_string - The source string to copy - * count - Maximum # of bytes to copy - * - * RETURN: dst_string - * - * DESCRIPTION: Append a null terminated string to a null terminated string, - * with a maximum count. - * - ******************************************************************************/ - -char *acpi_ut_strncat(char *dst_string, const char *src_string, acpi_size count) -{ - char *string; - - if (count) { - - /* Find end of the destination string */ - - for (string = dst_string; *string++;) {; - } - - /* Concatenate the string */ - - for (--string; (*string++ = *src_string++) && --count;) {; - } - - /* Null terminate if necessary */ - - if (!count) { - *string = 0; - } - } - - return (dst_string); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ut_strstr (strstr) - * - * PARAMETERS: string1 - Target string - * string2 - Substring to search for - * - * RETURN: Where substring match starts, Null if no match found - * - * DESCRIPTION: Checks if String2 occurs in String1. This is not really a - * full implementation of strstr, only sufficient for command - * matching - * - ******************************************************************************/ - -char *acpi_ut_strstr(char *string1, char *string2) -{ - char *string; - - if (acpi_ut_strlen(string2) > acpi_ut_strlen(string1)) { - return (NULL); - } - - /* Walk entire string, comparing the letters */ - - for (string = string1; *string2;) { - if (*string2 != *string) { - return (NULL); - } - - string2++; - string++; - } - - return (string1); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ut_strtoul (strtoul) - * - * PARAMETERS: string - Null terminated string - * terminater - Where a pointer to the terminating byte is - * returned - * base - Radix of the string - * - * RETURN: Converted value - * - * DESCRIPTION: Convert a string into a 32-bit unsigned value. - * Note: use acpi_ut_strtoul64 for 64-bit integers. - * - ******************************************************************************/ - -u32 acpi_ut_strtoul(const char *string, char **terminator, u32 base) -{ - u32 converted = 0; - u32 index; - u32 sign; - const char *string_start; - u32 return_value = 0; - acpi_status status = AE_OK; - - /* - * Save the value of the pointer to the buffer's first - * character, save the current errno value, and then - * skip over any white space in the buffer: - */ - string_start = string; - while (ACPI_IS_SPACE(*string) || *string == '\t') { - ++string; - } - - /* - * The buffer may contain an optional plus or minus sign. - * If it does, then skip over it but remember what is was: - */ - if (*string == '-') { - sign = NEGATIVE; - ++string; - } else if (*string == '+') { - ++string; - sign = POSITIVE; - } else { - sign = POSITIVE; - } - - /* - * If the input parameter Base is zero, then we need to - * determine if it is octal, decimal, or hexadecimal: - */ - if (base == 0) { - if (*string == '0') { - if (acpi_ut_to_lower(*(++string)) == 'x') { - base = 16; - ++string; - } else { - base = 8; - } - } else { - base = 10; - } - } else if (base < 2 || base > 36) { - /* - * The specified Base parameter is not in the domain of - * this function: - */ - goto done; - } - - /* - * For octal and hexadecimal bases, skip over the leading - * 0 or 0x, if they are present. - */ - if (base == 8 && *string == '0') { - string++; - } - - if (base == 16 && - *string == '0' && acpi_ut_to_lower(*(++string)) == 'x') { - string++; - } - - /* - * Main loop: convert the string to an unsigned long: - */ - while (*string) { - if (ACPI_IS_DIGIT(*string)) { - index = (u32)((u8)*string - '0'); - } else { - index = (u32)acpi_ut_to_upper(*string); - if (ACPI_IS_UPPER(index)) { - index = index - 'A' + 10; - } else { - goto done; - } - } - - if (index >= base) { - goto done; - } - - /* - * Check to see if value is out of range: - */ - - if (return_value > ((ACPI_UINT32_MAX - (u32)index) / (u32)base)) { - status = AE_ERROR; - return_value = 0; /* reset */ - } else { - return_value *= base; - return_value += index; - converted = 1; - } - - ++string; - } - - done: - /* - * If appropriate, update the caller's pointer to the next - * unconverted character in the buffer. - */ - if (terminator) { - if (converted == 0 && return_value == 0 && string != NULL) { - *terminator = (char *)string_start; - } else { - *terminator = (char *)string; - } - } - - if (status == AE_ERROR) { - return_value = ACPI_UINT32_MAX; - } - - /* - * If a minus sign was present, then "the conversion is negated": - */ - if (sign == NEGATIVE) { - return_value = (ACPI_UINT32_MAX - return_value) + 1; - } - - return (return_value); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ut_to_upper (TOUPPER) - * - * PARAMETERS: c - Character to convert - * - * RETURN: Converted character as an int - * - * DESCRIPTION: Convert character to uppercase - * - ******************************************************************************/ - -int acpi_ut_to_upper(int c) -{ - - return (ACPI_IS_LOWER(c) ? ((c) - 0x20) : (c)); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ut_to_lower (TOLOWER) - * - * PARAMETERS: c - Character to convert - * - * RETURN: Converted character as an int - * - * DESCRIPTION: Convert character to lowercase - * - ******************************************************************************/ - -int acpi_ut_to_lower(int c) -{ - - return (ACPI_IS_UPPER(c) ? ((c) + 0x20) : (c)); -} - -/******************************************************************************* - * - * FUNCTION: is* functions - * - * DESCRIPTION: is* functions use the ctype table below - * - ******************************************************************************/ - -const u8 _acpi_ctype[257] = { - _ACPI_CN, /* 0x00 0 NUL */ - _ACPI_CN, /* 0x01 1 SOH */ - _ACPI_CN, /* 0x02 2 STX */ - _ACPI_CN, /* 0x03 3 ETX */ - _ACPI_CN, /* 0x04 4 EOT */ - _ACPI_CN, /* 0x05 5 ENQ */ - _ACPI_CN, /* 0x06 6 ACK */ - _ACPI_CN, /* 0x07 7 BEL */ - _ACPI_CN, /* 0x08 8 BS */ - _ACPI_CN | _ACPI_SP, /* 0x09 9 TAB */ - _ACPI_CN | _ACPI_SP, /* 0x0A 10 LF */ - _ACPI_CN | _ACPI_SP, /* 0x0B 11 VT */ - _ACPI_CN | _ACPI_SP, /* 0x0C 12 FF */ - _ACPI_CN | _ACPI_SP, /* 0x0D 13 CR */ - _ACPI_CN, /* 0x0E 14 SO */ - _ACPI_CN, /* 0x0F 15 SI */ - _ACPI_CN, /* 0x10 16 DLE */ - _ACPI_CN, /* 0x11 17 DC1 */ - _ACPI_CN, /* 0x12 18 DC2 */ - _ACPI_CN, /* 0x13 19 DC3 */ - _ACPI_CN, /* 0x14 20 DC4 */ - _ACPI_CN, /* 0x15 21 NAK */ - _ACPI_CN, /* 0x16 22 SYN */ - _ACPI_CN, /* 0x17 23 ETB */ - _ACPI_CN, /* 0x18 24 CAN */ - _ACPI_CN, /* 0x19 25 EM */ - _ACPI_CN, /* 0x1A 26 SUB */ - _ACPI_CN, /* 0x1B 27 ESC */ - _ACPI_CN, /* 0x1C 28 FS */ - _ACPI_CN, /* 0x1D 29 GS */ - _ACPI_CN, /* 0x1E 30 RS */ - _ACPI_CN, /* 0x1F 31 US */ - _ACPI_XS | _ACPI_SP, /* 0x20 32 ' ' */ - _ACPI_PU, /* 0x21 33 '!' */ - _ACPI_PU, /* 0x22 34 '"' */ - _ACPI_PU, /* 0x23 35 '#' */ - _ACPI_PU, /* 0x24 36 '$' */ - _ACPI_PU, /* 0x25 37 '%' */ - _ACPI_PU, /* 0x26 38 '&' */ - _ACPI_PU, /* 0x27 39 ''' */ - _ACPI_PU, /* 0x28 40 '(' */ - _ACPI_PU, /* 0x29 41 ')' */ - _ACPI_PU, /* 0x2A 42 '*' */ - _ACPI_PU, /* 0x2B 43 '+' */ - _ACPI_PU, /* 0x2C 44 ',' */ - _ACPI_PU, /* 0x2D 45 '-' */ - _ACPI_PU, /* 0x2E 46 '.' */ - _ACPI_PU, /* 0x2F 47 '/' */ - _ACPI_XD | _ACPI_DI, /* 0x30 48 '0' */ - _ACPI_XD | _ACPI_DI, /* 0x31 49 '1' */ - _ACPI_XD | _ACPI_DI, /* 0x32 50 '2' */ - _ACPI_XD | _ACPI_DI, /* 0x33 51 '3' */ - _ACPI_XD | _ACPI_DI, /* 0x34 52 '4' */ - _ACPI_XD | _ACPI_DI, /* 0x35 53 '5' */ - _ACPI_XD | _ACPI_DI, /* 0x36 54 '6' */ - _ACPI_XD | _ACPI_DI, /* 0x37 55 '7' */ - _ACPI_XD | _ACPI_DI, /* 0x38 56 '8' */ - _ACPI_XD | _ACPI_DI, /* 0x39 57 '9' */ - _ACPI_PU, /* 0x3A 58 ':' */ - _ACPI_PU, /* 0x3B 59 ';' */ - _ACPI_PU, /* 0x3C 60 '<' */ - _ACPI_PU, /* 0x3D 61 '=' */ - _ACPI_PU, /* 0x3E 62 '>' */ - _ACPI_PU, /* 0x3F 63 '?' */ - _ACPI_PU, /* 0x40 64 '@' */ - _ACPI_XD | _ACPI_UP, /* 0x41 65 'A' */ - _ACPI_XD | _ACPI_UP, /* 0x42 66 'B' */ - _ACPI_XD | _ACPI_UP, /* 0x43 67 'C' */ - _ACPI_XD | _ACPI_UP, /* 0x44 68 'D' */ - _ACPI_XD | _ACPI_UP, /* 0x45 69 'E' */ - _ACPI_XD | _ACPI_UP, /* 0x46 70 'F' */ - _ACPI_UP, /* 0x47 71 'G' */ - _ACPI_UP, /* 0x48 72 'H' */ - _ACPI_UP, /* 0x49 73 'I' */ - _ACPI_UP, /* 0x4A 74 'J' */ - _ACPI_UP, /* 0x4B 75 'K' */ - _ACPI_UP, /* 0x4C 76 'L' */ - _ACPI_UP, /* 0x4D 77 'M' */ - _ACPI_UP, /* 0x4E 78 'N' */ - _ACPI_UP, /* 0x4F 79 'O' */ - _ACPI_UP, /* 0x50 80 'P' */ - _ACPI_UP, /* 0x51 81 'Q' */ - _ACPI_UP, /* 0x52 82 'R' */ - _ACPI_UP, /* 0x53 83 'S' */ - _ACPI_UP, /* 0x54 84 'T' */ - _ACPI_UP, /* 0x55 85 'U' */ - _ACPI_UP, /* 0x56 86 'V' */ - _ACPI_UP, /* 0x57 87 'W' */ - _ACPI_UP, /* 0x58 88 'X' */ - _ACPI_UP, /* 0x59 89 'Y' */ - _ACPI_UP, /* 0x5A 90 'Z' */ - _ACPI_PU, /* 0x5B 91 '[' */ - _ACPI_PU, /* 0x5C 92 '\' */ - _ACPI_PU, /* 0x5D 93 ']' */ - _ACPI_PU, /* 0x5E 94 '^' */ - _ACPI_PU, /* 0x5F 95 '_' */ - _ACPI_PU, /* 0x60 96 '`' */ - _ACPI_XD | _ACPI_LO, /* 0x61 97 'a' */ - _ACPI_XD | _ACPI_LO, /* 0x62 98 'b' */ - _ACPI_XD | _ACPI_LO, /* 0x63 99 'c' */ - _ACPI_XD | _ACPI_LO, /* 0x64 100 'd' */ - _ACPI_XD | _ACPI_LO, /* 0x65 101 'e' */ - _ACPI_XD | _ACPI_LO, /* 0x66 102 'f' */ - _ACPI_LO, /* 0x67 103 'g' */ - _ACPI_LO, /* 0x68 104 'h' */ - _ACPI_LO, /* 0x69 105 'i' */ - _ACPI_LO, /* 0x6A 106 'j' */ - _ACPI_LO, /* 0x6B 107 'k' */ - _ACPI_LO, /* 0x6C 108 'l' */ - _ACPI_LO, /* 0x6D 109 'm' */ - _ACPI_LO, /* 0x6E 110 'n' */ - _ACPI_LO, /* 0x6F 111 'o' */ - _ACPI_LO, /* 0x70 112 'p' */ - _ACPI_LO, /* 0x71 113 'q' */ - _ACPI_LO, /* 0x72 114 'r' */ - _ACPI_LO, /* 0x73 115 's' */ - _ACPI_LO, /* 0x74 116 't' */ - _ACPI_LO, /* 0x75 117 'u' */ - _ACPI_LO, /* 0x76 118 'v' */ - _ACPI_LO, /* 0x77 119 'w' */ - _ACPI_LO, /* 0x78 120 'x' */ - _ACPI_LO, /* 0x79 121 'y' */ - _ACPI_LO, /* 0x7A 122 'z' */ - _ACPI_PU, /* 0x7B 123 '{' */ - _ACPI_PU, /* 0x7C 124 '|' */ - _ACPI_PU, /* 0x7D 125 '}' */ - _ACPI_PU, /* 0x7E 126 '~' */ - _ACPI_CN, /* 0x7F 127 DEL */ - - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x80 to 0x8F */ - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x90 to 0x9F */ - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xA0 to 0xAF */ - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xB0 to 0xBF */ - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xC0 to 0xCF */ - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xD0 to 0xDF */ - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xE0 to 0xEF */ - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xF0 to 0xFF */ - 0 /* 0x100 */ -}; - -#endif /* ACPI_USE_SYSTEM_CLIBRARY */ diff --git a/drivers/acpi/apei/erst-dbg.c b/drivers/acpi/apei/erst-dbg.c index 903549df809b..04ab5c9d3ced 100644 --- a/drivers/acpi/apei/erst-dbg.c +++ b/drivers/acpi/apei/erst-dbg.c @@ -111,8 +111,17 @@ retry_next: if (rc) goto out; /* no more record */ - if (id == APEI_ERST_INVALID_RECORD_ID) + if (id == APEI_ERST_INVALID_RECORD_ID) { + /* + * If the persistent store is empty initially, the function + * 'erst_read' below will return "-ENOENT" value. This causes + * 'retry_next' label is entered again. The returned value + * should be zero indicating the read operation is EOF. + */ + len = 0; + goto out; + } retry: rc = len = erst_read(id, erst_dbg_buf, erst_dbg_buf_len); /* The record may be cleared by others, try read next record */ diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c index f09dc987cf17..c6ff606c6d5b 100644 --- a/drivers/acpi/device_pm.c +++ b/drivers/acpi/device_pm.c @@ -358,8 +358,7 @@ static struct acpi_device *acpi_dev_pm_get_node(struct device *dev) acpi_handle handle = DEVICE_ACPI_HANDLE(dev); struct acpi_device *adev; - return handle && ACPI_SUCCESS(acpi_bus_get_device(handle, &adev)) ? - adev : NULL; + return handle && !acpi_bus_get_device(handle, &adev) ? adev : NULL; } /** diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c index 01551840d236..95af6f674a6c 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c @@ -18,9 +18,14 @@ #define ACPI_GLUE_DEBUG 0 #if ACPI_GLUE_DEBUG -#define DBG(x...) printk(PREFIX x) +#define DBG(fmt, ...) \ + printk(KERN_DEBUG PREFIX fmt, ##__VA_ARGS__) #else -#define DBG(x...) do { } while(0) +#define DBG(fmt, ...) \ +do { \ + if (0) \ + printk(KERN_DEBUG PREFIX fmt, ##__VA_ARGS__); \ +} while (0) #endif static LIST_HEAD(bus_type_list); static DECLARE_RWSEM(bus_type_sem); diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c index 7db61b8fa11f..6e7b9d523812 100644 --- a/drivers/acpi/power.c +++ b/drivers/acpi/power.c @@ -445,11 +445,8 @@ int acpi_power_resource_register_device(struct device *dev, acpi_handle handle) return -ENODEV; ret = acpi_bus_get_device(handle, &acpi_dev); - if (ret) - goto no_power_resource; - - if (!acpi_dev->power.flags.power_resources) - goto no_power_resource; + if (ret || !acpi_dev->power.flags.power_resources) + return -ENODEV; powered_device = kzalloc(sizeof(*powered_device), GFP_KERNEL); if (!powered_device) @@ -471,10 +468,6 @@ int acpi_power_resource_register_device(struct device *dev, acpi_handle handle) } return ret; - -no_power_resource: - printk(KERN_DEBUG PREFIX "Invalid Power Resource to register!\n"); - return -ENODEV; } EXPORT_SYMBOL_GPL(acpi_power_resource_register_device); diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 53502d1bbf26..c88be6c37c30 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -1346,7 +1346,7 @@ static void acpi_device_set_id(struct acpi_device *device) acpi_add_id(device, ACPI_DOCK_HID); else if (!acpi_ibm_smbus_match(device)) acpi_add_id(device, ACPI_SMBUS_IBM_HID); - else if (!acpi_device_hid(device) && + else if (list_empty(&device->pnp.ids) && ACPI_IS_ROOT_DEVICE(device->parent)) { acpi_add_id(device, ACPI_BUS_HID); /* \_SB, LNXSYBUS */ strcpy(device->pnp.device_name, ACPI_BUS_DEVICE_NAME); |
