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-rw-r--r--Documentation/power/runtime_pm.txt9
-rw-r--r--drivers/acpi/acpi_memhotplug.c18
-rw-r--r--drivers/acpi/acpica/Makefile2
-rw-r--r--drivers/acpi/acpica/utclib.c749
-rw-r--r--drivers/acpi/apei/erst-dbg.c11
-rw-r--r--drivers/acpi/device_pm.c3
-rw-r--r--drivers/acpi/glue.c9
-rw-r--r--drivers/acpi/power.c11
-rw-r--r--drivers/acpi/scan.c2
-rw-r--r--drivers/base/power/main.c9
-rw-r--r--drivers/base/power/qos.c10
-rw-r--r--drivers/cpufreq/Kconfig5
-rw-r--r--drivers/cpufreq/Makefile5
-rw-r--r--drivers/cpufreq/cpufreq_stats.c11
-rw-r--r--drivers/cpufreq/longhaul.c10
-rw-r--r--drivers/cpuidle/coupled.c2
-rw-r--r--drivers/cpuidle/cpuidle.c2
-rw-r--r--drivers/cpuidle/driver.c8
-rw-r--r--drivers/cpuidle/governors/menu.c2
-rw-r--r--drivers/idle/intel_idle.c2
-rw-r--r--drivers/pnp/interface.c105
-rw-r--r--drivers/pnp/manager.c25
22 files changed, 154 insertions, 856 deletions
diff --git a/Documentation/power/runtime_pm.txt b/Documentation/power/runtime_pm.txt
index 4abe83e1045..03591a750f9 100644
--- a/Documentation/power/runtime_pm.txt
+++ b/Documentation/power/runtime_pm.txt
@@ -642,12 +642,13 @@ out the following operations:
* During system suspend it calls pm_runtime_get_noresume() and
pm_runtime_barrier() for every device right before executing the
subsystem-level .suspend() callback for it. In addition to that it calls
- pm_runtime_disable() for every device right after executing the
- subsystem-level .suspend() callback for it.
+ __pm_runtime_disable() with 'false' as the second argument for every device
+ right before executing the subsystem-level .suspend_late() callback for it.
* During system resume it calls pm_runtime_enable() and pm_runtime_put_sync()
- for every device right before and right after executing the subsystem-level
- .resume() callback for it, respectively.
+ for every device right after executing the subsystem-level .resume_early()
+ callback and right after executing the subsystem-level .resume() callback
+ for it, respectively.
7. Generic subsystem callbacks
diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
index eb30e5ab4ca..b679bf8478f 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 c8bc24bd1f7..bc7a03ded06 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 19ea4755aa7..00000000000
--- 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 903549df809..04ab5c9d3ce 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 f09dc987cf1..c6ff606c6d5 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 01551840d23..95af6f674a6 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 7db61b8fa11..6e7b9d52381 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 53502d1bbf2..c88be6c37c3 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);
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index a3c1404c793..2b7f77d3fcb 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -513,6 +513,8 @@ static int device_resume_early(struct device *dev, pm_message_t state)
Out:
TRACE_RESUME(error);
+
+ pm_runtime_enable(dev);
return error;
}
@@ -589,8 +591,6 @@ static int device_resume(struct device *dev, pm_message_t state, bool async)
if (!dev->power.is_suspended)
goto Unlock;
- pm_runtime_enable(dev);
-
if (dev->pm_domain) {
info = "power domain ";
callback = pm_op(&dev->pm_domain->ops, state);
@@ -930,6 +930,8 @@ static int device_suspend_late(struct device *dev, pm_message_t state)
pm_callback_t callback = NULL;
char *info = NULL;
+ __pm_runtime_disable(dev, false);
+
if (dev->power.syscore)
return 0;
@@ -1133,11 +1135,8 @@ static int __device_suspend(struct device *dev, pm_message_t state, bool async)
Complete:
complete_all(&dev->power.completion);
-
if (error)
async_error = error;
- else if (dev->power.is_suspended)
- __pm_runtime_disable(dev, false);
return error;
}
diff --git a/drivers/base/power/qos.c b/drivers/base/power/qos.c
index ff46387f530..d21349544ce 100644
--- a/drivers/base/power/qos.c
+++ b/drivers/base/power/qos.c
@@ -542,19 +542,19 @@ int dev_pm_qos_add_ancestor_request(struct device *dev,
struct dev_pm_qos_request *req, s32 value)
{
struct device *ancestor = dev->parent;
- int error = -ENODEV;
+ int ret = -ENODEV;
while (ancestor && !ancestor->power.ignore_children)
ancestor = ancestor->parent;
if (ancestor)
- error = dev_pm_qos_add_request(ancestor, req,
- DEV_PM_QOS_LATENCY, value);
+ ret = dev_pm_qos_add_request(ancestor, req,
+ DEV_PM_QOS_LATENCY, value);
- if (error < 0)
+ if (ret < 0)
req->dev = NULL;
- return error;
+ return ret;
}
EXPORT_SYMBOL_GPL(dev_pm_qos_add_ancestor_request);
diff --git a/drivers/cpufreq/Kconfig b/drivers/cpufreq/Kconfig
index ea512f47b78..e0a899f25e3 100644
--- a/drivers/cpufreq/Kconfig
+++ b/drivers/cpufreq/Kconfig
@@ -20,6 +20,9 @@ if CPU_FREQ
config CPU_FREQ_TABLE
tristate
+config CPU_FREQ_GOV_COMMON
+ bool
+
config CPU_FREQ_STAT
tristate "CPU frequency translation statistics"
select CPU_FREQ_TABLE
@@ -141,6 +144,7 @@ config CPU_FREQ_GOV_USERSPACE
config CPU_FREQ_GOV_ONDEMAND
tristate "'ondemand' cpufreq policy governor"
select CPU_FREQ_TABLE
+ select CPU_FREQ_GOV_COMMON
help
'ondemand' - This driver adds a dynamic cpufreq policy governor.
The governor does a periodic polling and
@@ -159,6 +163,7 @@ config CPU_FREQ_GOV_ONDEMAND
config CPU_FREQ_GOV_CONSERVATIVE
tristate "'conservative' cpufreq governor"
depends on CPU_FREQ
+ select CPU_FREQ_GOV_COMMON
help
'conservative' - this driver is rather similar to the 'ondemand'
governor both in its source code and its purpose, the difference is
diff --git a/drivers/cpufreq/Makefile b/drivers/cpufreq/Makefile
index 1f254ec087c..fadc4d496e2 100644
--- a/drivers/cpufreq/Makefile
+++ b/drivers/cpufreq/Makefile
@@ -7,8 +7,9 @@ obj-$(CONFIG_CPU_FREQ_STAT) += cpufreq_stats.o
obj-$(CONFIG_CPU_FREQ_GOV_PERFORMANCE) += cpufreq_performance.o
obj-$(CONFIG_CPU_FREQ_GOV_POWERSAVE) += cpufreq_powersave.o
obj-$(CONFIG_CPU_FREQ_GOV_USERSPACE) += cpufreq_userspace.o
-obj-$(CONFIG_CPU_FREQ_GOV_ONDEMAND) += cpufreq_ondemand.o cpufreq_governor.o
-obj-$(CONFIG_CPU_FREQ_GOV_CONSERVATIVE) += cpufreq_conservative.o cpufreq_governor.o
+obj-$(CONFIG_CPU_FREQ_GOV_ONDEMAND) += cpufreq_ondemand.o
+obj-$(CONFIG_CPU_FREQ_GOV_CONSERVATIVE) += cpufreq_conservative.o
+obj-$(CONFIG_CPU_FREQ_GOV_COMMON) += cpufreq_governor.o
# CPUfreq cross-arch helpers
obj-$(CONFIG_CPU_FREQ_TABLE) += freq_table.o
diff --git a/drivers/cpufreq/cpufreq_stats.c b/drivers/cpufreq/cpufreq_stats.c
index e40e5080964..9d7732b8104 100644
--- a/drivers/cpufreq/cpufreq_stats.c
+++ b/drivers/cpufreq/cpufreq_stats.c
@@ -364,18 +364,21 @@ static int __init cpufreq_stats_init(void)
if (ret)
return ret;
+ register_hotcpu_notifier(&cpufreq_stat_cpu_notifier);
+ for_each_online_cpu(cpu)
+ cpufreq_update_policy(cpu);
+
ret = cpufreq_register_notifier(&notifier_trans_block,
CPUFREQ_TRANSITION_NOTIFIER);
if (ret) {
cpufreq_unregister_notifier(&notifier_policy_block,
CPUFREQ_POLICY_NOTIFIER);
+ unregister_hotcpu_notifier(&cpufreq_stat_cpu_notifier);
+ for_each_online_cpu(cpu)
+ cpufreq_stats_free_table(cpu);
return ret;
}
- register_hotcpu_notifier(&cpufreq_stat_cpu_notifier);
- for_each_online_cpu(cpu) {
- cpufreq_update_policy(cpu);
- }
return 0;
}
static void __exit cpufreq_stats_exit(void)
diff --git a/drivers/cpufreq/longhaul.c b/drivers/cpufreq/longhaul.c
index f1fa500ac10..1180d536d1e 100644
--- a/drivers/cpufreq/longhaul.c
+++ b/drivers/cpufreq/longhaul.c
@@ -77,7 +77,7 @@ static unsigned int longhaul_index;
static int scale_voltage;
static int disable_acpi_c3;
static int revid_errata;
-
+static int enable;
/* Clock ratios multiplied by 10 */
static int mults[32];
@@ -965,6 +965,10 @@ static int __init longhaul_init(void)
if (!x86_match_cpu(longhaul_id))
return -ENODEV;
+ if (!enable) {
+ printk(KERN_ERR PFX "Option \"enable\" not set. Aborting.\n");
+ return -ENODEV;
+ }
#ifdef CONFIG_SMP
if (num_online_cpus() > 1) {
printk(KERN_ERR PFX "More than 1 CPU detected, "
@@ -1021,6 +1025,10 @@ MODULE_PARM_DESC(scale_voltage, "Scale voltage of processor");
* such. */
module_param(revid_errata, int, 0644);
MODULE_PARM_DESC(revid_errata, "Ignore CPU Revision ID");
+/* By default driver is disabled to prevent incompatible
+ * system freeze. */
+module_param(enable, int, 0644);
+MODULE_PARM_DESC(enable, "Enable driver");
MODULE_AUTHOR("Dave Jones <davej@redhat.com>");
MODULE_DESCRIPTION("Longhaul driver for VIA Cyrix processors.");
diff --git a/drivers/cpuidle/coupled.c b/drivers/cpuidle/coupled.c
index 3265844839b..2a297f86dba 100644
--- a/drivers/cpuidle/coupled.c
+++ b/drivers/cpuidle/coupled.c
@@ -209,7 +209,7 @@ inline int cpuidle_coupled_set_not_ready(struct cpuidle_coupled *coupled)
int all;
int ret;
- all = coupled->online_count || (coupled->online_count << WAITING_BITS);
+ all = coupled->online_count | (coupled->online_count << WAITING_BITS);
ret = atomic_add_unless(&coupled->ready_waiting_counts,
-MAX_WAITING_CPUS, all);
diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index 8df53dd8dbe..fb4a7dd57f9 100644
--- a/drivers/cpuidle/cpuidle.c
+++ b/drivers/cpuidle/cpuidle.c
@@ -70,7 +70,7 @@ int cpuidle_play_dead(void)
struct cpuidle_device *dev = __this_cpu_read(cpuidle_devices);
struct cpuidle_driver *drv = cpuidle_get_cpu_driver(dev);
int i, dead_state = -1;
- int power_usage = -1;
+ int power_usage = INT_MAX;
if (!drv)
return -ENODEV;
diff --git a/drivers/cpuidle/driver.c b/drivers/cpuidle/driver.c
index 3af841fb397..c2b281afe0e 100644
--- a/drivers/cpuidle/driver.c
+++ b/drivers/cpuidle/driver.c
@@ -235,16 +235,10 @@ EXPORT_SYMBOL_GPL(cpuidle_get_driver);
*/
struct cpuidle_driver *cpuidle_get_cpu_driver(struct cpuidle_device *dev)
{
- struct cpuidle_driver *drv;
-
if (!dev)
return NULL;
- spin_lock(&cpuidle_driver_lock);
- drv = __cpuidle_get_cpu_driver(dev->cpu);
- spin_unlock(&cpuidle_driver_lock);
-
- return drv;
+ return __cpuidle_get_cpu_driver(dev->cpu);
}
EXPORT_SYMBOL_GPL(cpuidle_get_cpu_driver);
diff --git a/drivers/cpuidle/governors/menu.c b/drivers/cpuidle/governors/menu.c
index bd40b943b6d..20ea33afdda 100644
--- a/drivers/cpuidle/governors/menu.c
+++ b/drivers/cpuidle/governors/menu.c
@@ -312,7 +312,7 @@ static int menu_select(struct cpuidle_driver *drv, struct cpuidle_device *dev)
{
struct menu_device *data = &__get_cpu_var(menu_devices);
int latency_req = pm_qos_request(PM_QOS_CPU_DMA_LATENCY);
- int power_usage = -1;
+ int power_usage = INT_MAX;
int i;
int multiplier;
struct timespec t;
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index c49c04d9c2b..4ba384f1ab5 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -506,7 +506,7 @@ static int intel_idle_cpuidle_driver_init(void)
if (*cpuidle_state_table[cstate].name == '\0')
pr_debug(PREFIX "unaware of model 0x%x"
" MWAIT %d please"
- " contact lenb@kernel.org",
+ " contact lenb@kernel.org\n",
boot_cpu_data.x86_model, cstate);
continue;
}
diff --git a/drivers/pnp/interface.c b/drivers/pnp/interface.c
index cfaf5b73540..0c201317284 100644
--- a/drivers/pnp/interface.c
+++ b/drivers/pnp/interface.c
@@ -298,6 +298,39 @@ static ssize_t pnp_show_current_resources(struct device *dmdev,
return ret;
}
+static char *pnp_get_resource_value(char *buf,
+ unsigned long type,
+ resource_size_t *start,
+ resource_size_t *end,
+ unsigned long *flags)
+{
+ if (start)
+ *start = 0;
+ if (end)
+ *end = 0;
+ if (flags)
+ *flags = 0;
+
+ /* TBD: allow for disabled resources */
+
+ buf = skip_spaces(buf);
+ if (start) {
+ *start = simple_strtoull(buf, &buf, 0);
+ if (end) {
+ buf = skip_spaces(buf);
+ if (*buf == '-') {
+ buf = skip_spaces(buf + 1);
+ *end = simple_strtoull(buf, &buf, 0);
+ } else
+ *end = *start;
+ }
+ }
+
+ /* TBD: allow for additional flags, e.g., IORESOURCE_WINDOW */
+
+ return buf;
+}
+
static ssize_t pnp_set_current_resources(struct device *dmdev,
struct device_attribute *attr,
const char *ubuf, size_t count)
@@ -305,7 +338,6 @@ static ssize_t pnp_set_current_resources(struct device *dmdev,
struct pnp_dev *dev = to_pnp_dev(dmdev);
char *buf = (void *)ubuf;
int retval = 0;
- resource_size_t start, end;
if (dev->status & PNP_ATTACHED) {
retval = -EBUSY;
@@ -349,6 +381,10 @@ static ssize_t pnp_set_current_resources(struct device *dmdev,
goto done;
}
if (!strnicmp(buf, "set", 3)) {
+ resource_size_t start;
+ resource_size_t end;
+ unsigned long flags;
+
if (dev->active)
goto done;
buf += 3;
@@ -357,42 +393,37 @@ static ssize_t pnp_set_current_resources(struct device *dmdev,
while (1) {
buf = skip_spaces(buf);
if (!strnicmp(buf, "io", 2)) {
- buf = skip_spaces(buf + 2);
- start = simple_strtoul(buf, &buf, 0);
- buf = skip_spaces(buf);
- if (*buf == '-') {
- buf = skip_spaces(buf + 1);
- end = simple_strtoul(buf, &buf, 0);
- } else
- end = start;
- pnp_add_io_resource(dev, start, end, 0);
- continue;
- }
- if (!strnicmp(buf, "mem", 3)) {
- buf = skip_spaces(buf + 3);
- start = simple_strtoul(buf, &buf, 0);
- buf = skip_spaces(buf);
- if (*buf == '-') {
- buf = skip_spaces(buf + 1);
- end = simple_strtoul(buf, &buf, 0);
- } else
- end = start;
- pnp_add_mem_resource(dev, start, end, 0);
- continue;
- }
- if (!strnicmp(buf, "irq", 3)) {
- buf = skip_spaces(buf + 3);
- start = simple_strtoul(buf, &buf, 0);
- pnp_add_irq_resource(dev, start, 0);
- continue;
- }
- if (!strnicmp(buf, "dma", 3)) {
- buf = skip_spaces(buf + 3);
- start = simple_strtoul(buf, &buf, 0);
- pnp_add_dma_resource(dev, start, 0);
- continue;
- }
- break;
+ buf = pnp_get_resource_value(buf + 2,
+ IORESOURCE_IO,
+ &start, &end,
+ &flags);
+ pnp_add_io_resource(dev, start, end, flags);
+ } else if (!strnicmp(buf, "mem", 3)) {
+ buf = pnp_get_resource_value(buf + 3,
+ IORESOURCE_MEM,
+ &start, &end,
+ &flags);
+ pnp_add_mem_resource(dev, start, end, flags);
+ } else if (!strnicmp(buf, "irq", 3)) {
+ buf = pnp_get_resource_value(buf + 3,
+ IORESOURCE_IRQ,
+ &start, NULL,
+ &flags);
+ pnp_add_irq_resource(dev, start, flags);
+ } else if (!strnicmp(buf, "dma", 3)) {
+ buf = pnp_get_resource_value(buf + 3,
+ IORESOURCE_DMA,
+ &start, NULL,
+ &flags);
+ pnp_add_dma_resource(dev, start, flags);
+ } else if (!strnicmp(buf, "bus", 3)) {
+ buf = pnp_get_resource_value(buf + 3,
+ IORESOURCE_BUS,
+ &start, &end,
+ NULL);
+ pnp_add_bus_resource(dev, start, end);
+ } else
+ break;
}
mutex_unlock(&pnp_res_mutex);
goto done;
diff --git a/drivers/pnp/manager.c b/drivers/pnp/manager.c
index ed9ce507149..95cebf0185d 100644
--- a/drivers/pnp/manager.c
+++ b/drivers/pnp/manager.c
@@ -18,11 +18,27 @@
DEFINE_MUTEX(pnp_res_mutex);
+static struct resource *pnp_find_resource(struct pnp_dev *dev,
+ unsigned char rule,
+ unsigned long type,
+ unsigned int bar)
+{
+ struct resource *res = pnp_get_resource(dev, type, bar);
+
+ /* when the resource already exists, set its resource bits from rule */
+ if (res) {
+ res->flags &= ~IORESOURCE_BITS;
+ res->flags |= rule & IORESOURCE_BITS;
+ }
+
+ return res;
+}
+
static int pnp_assign_port(struct pnp_dev *dev, struct pnp_port *rule, int idx)
{
struct resource *res, local_res;
- res = pnp_get_resource(dev, IORESOURCE_IO, idx);
+ res = pnp_find_resource(dev, rule->flags, IORESOURCE_IO, idx);
if (res) {
pnp_dbg(&dev->dev, " io %d already set to %#llx-%#llx "
"flags %#lx\n", idx, (unsigned long long) res->start,
@@ -65,7 +81,7 @@ static int pnp_assign_mem(struct pnp_dev *dev, struct pnp_mem *rule, int idx)
{
struct resource *res, local_res;
- res = pnp_get_resource(dev, IORESOURCE_MEM, idx);
+ res = pnp_find_resource(dev, rule->flags, IORESOURCE_MEM, idx);
if (res) {
pnp_dbg(&dev->dev, " mem %d already set to %#llx-%#llx "
"flags %#lx\n", idx, (unsigned long long) res->start,
@@ -78,6 +94,7 @@ static int pnp_assign_mem(struct pnp_dev *dev, struct pnp_mem *rule, int idx)
res->start = 0;
res->end = 0;
+ /* ??? rule->flags restricted to 8 bits, all tests bogus ??? */
if (!(rule->flags & IORESOURCE_MEM_WRITEABLE))
res->flags |= IORESOURCE_READONLY;
if (rule->flags & IORESOURCE_MEM_CACHEABLE)
@@ -123,7 +140,7 @@ static int pnp_assign_irq(struct pnp_dev *dev, struct pnp_irq *rule, int idx)
5, 10, 11, 12, 9, 14, 15, 7, 3, 4, 13, 0, 1, 6, 8, 2
};
- res = pnp_get_resource(dev, IORESOURCE_IRQ, idx);
+ res = pnp_find_resource(dev, rule->flags, IORESOURCE_IRQ, idx);
if (res) {
pnp_dbg(&dev->dev, " irq %d already set to %d flags %#lx\n",
idx, (int) res->start, res->flags);
@@ -182,7 +199,7 @@ static int pnp_assign_dma(struct pnp_dev *dev, struct pnp_dma *rule, int idx)
1, 3, 5, 6, 7, 0, 2, 4
};
- res = pnp_get_resource(dev, IORESOURCE_DMA, idx);
+ res = pnp_find_resource(dev, rule->flags, IORESOURCE_DMA, idx);
if (res) {
pnp_dbg(&dev->dev, " dma %d already set to %d flags %#lx\n",
idx, (int) res->start, res->flags);