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ACPICA: Add acpi_update_interfaces() public interface

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Add new API to allow OSPM to disable/enable specific types of _OSI
interface strings.

ACPICA does not have the knowledge about whether an _OSI interface
string is an OS vendor string or a feature group string and there
isn't any API interface to allow OSPM to install a new interface
string as a feature group string.
This patch simply adds all feature group strings defined by ACPI
specification into the acpi_default_supported_interfaces with
ACPI_OSI_FEATURE flag set to fix this gap.  This patch also adds
codes to keep their default states as ACPI_OSI_INVALID before the
initialization and after the termination.

Signed-off-by: Lv Zheng <[email protected]>
Reviewed-by: Zhang Rui <[email protected]>
Signed-off-by: Bob Moore <[email protected]>
Acked-by: Len Brown <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>

Conflicts:
	include/acpi/actypes.h (with commit 242b228)
This commit is contained in:
Lv Zheng 2013-07-22 16:08:16 +08:00 • committed by Rafael J. Wysocki
commit 2cf9f5bcc8
6 changed files with 114 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

2
include/acpi/acpixf.h
View file

@ -147,6 +147,8 @@ acpi_status acpi_install_interface(acpi_string interface_name);
acpi_status acpi_remove_interface(acpi_string interface_name);
acpi_status acpi_update_interfaces(u8 action);
u32
acpi_check_address_range(acpi_adr_space_type space_id,
acpi_physical_address address,

14
include/acpi/actypes.h
View file

@ -1152,4 +1152,18 @@ struct acpi_memory_list {
#define ACPI_OSI_WIN_7 0x0B
#define ACPI_OSI_WIN_8 0x0C
/* _OSI update actions */
#define ACPI_VENDOR_STRINGS 0x01
#define ACPI_FEATURE_STRINGS 0x02
#define ACPI_ENABLE_INTERFACES 0x00
#define ACPI_DISABLE_INTERFACES 0x04
#define ACPI_DISABLE_ALL_VENDOR_STRINGS (ACPI_DISABLE_INTERFACES | ACPI_VENDOR_STRINGS)
#define ACPI_DISABLE_ALL_FEATURE_STRINGS (ACPI_DISABLE_INTERFACES | ACPI_FEATURE_STRINGS)
#define ACPI_DISABLE_ALL_STRINGS (ACPI_DISABLE_INTERFACES | ACPI_VENDOR_STRINGS | ACPI_FEATURE_STRINGS)
#define ACPI_ENABLE_ALL_VENDOR_STRINGS (ACPI_ENABLE_INTERFACES | ACPI_VENDOR_STRINGS)
#define ACPI_ENABLE_ALL_FEATURE_STRINGS (ACPI_ENABLE_INTERFACES | ACPI_FEATURE_STRINGS)
#define ACPI_ENABLE_ALL_STRINGS (ACPI_ENABLE_INTERFACES | ACPI_VENDOR_STRINGS | ACPI_FEATURE_STRINGS)
#endif /* __ACTYPES_H__ */