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Merge branch 'acpica'

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* acpica:
  ACPICA: Update version to 20130725.
  ACPICA: Update names for walk_namespace callbacks to clarify usage.
  ACPICA: Return error if DerefOf resolves to a null package element.
  ACPICA: Make ACPI Power Management Timer (PM Timer) optional.
  ACPICA: Fix divergences of the commit - ACPICA: Expose OSI version.
  ACPICA: Fix possible fault for methods that optionally have no return value.
  ACPICA: DeRefOf operator: Update to fully resolve FieldUnit and BufferField refs.
  ACPICA: Emit all unresolved method externals in a text block
  ACPICA: Export acpi_tb_validate_rsdp().
  ACPI: Add facility to remove all _OSI strings
  ACPI: Add facility to disable all _OSI OS vendor strings
  ACPICA: Add acpi_update_interfaces() public interface
  ACPICA: Update version to 20130626
  ACPICA: Fix compiler warnings for casting issues (only some compilers)
  ACPICA: Remove restriction of 256 maximum GPEs in any GPE block
  ACPICA: Disassembler: Expand maximum output string length to 64K
  ACPICA: TableManager: Export acpi_tb_scan_memory_for_rsdp()
  ACPICA: Update comments about behavior when _STA does not exist
This commit is contained in:
Rafael J. Wysocki
2013-08-27 01:28:48 +02:00
parent 4b319f290d 36b99b2287
commit afdca01c98
24 changed files with 324 additions and 92 deletions
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21
drivers/acpi/osl.c
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@@ -142,7 +142,8 @@ static struct osi_linux {
unsigned int enable:1;
unsigned int dmi:1;
unsigned int cmdline:1;
} osi_linux = {0, 0, 0};
unsigned int default_disabling:1;
} osi_linux = {0, 0, 0, 0};
static u32 acpi_osi_handler(acpi_string interface, u32 supported)
{
@@ -1378,6 +1379,17 @@ void __init acpi_osi_setup(char *str)
if (*str == '!') {
str++;
if (*str == '\0') {
osi_linux.default_disabling = 1;
return;
} else if (*str == '*') {
acpi_update_interfaces(ACPI_DISABLE_ALL_STRINGS);
for (i = 0; i < OSI_STRING_ENTRIES_MAX; i++) {
osi = &osi_setup_entries[i];
osi->enable = false;
}
return;
}
enable = false;
}
@@ -1443,6 +1455,13 @@ static void __init acpi_osi_setup_late(void)
int i;
acpi_status status;
if (osi_linux.default_disabling) {
status = acpi_update_interfaces(ACPI_DISABLE_ALL_VENDOR_STRINGS);
if (ACPI_SUCCESS(status))
printk(KERN_INFO PREFIX "Disabled all _OSI OS vendors\n");
}
for (i = 0; i < OSI_STRING_ENTRIES_MAX; i++) {
osi = &osi_setup_entries[i];
str = osi->string;