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authorLv Zheng <lv.zheng@intel.com>2013-09-23 09:52:05 +0800
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-09-24 01:46:24 +0200
commita2fd4b4b4e2884405c54a91514b0fad3853aea01 (patch)
tree8cc50104af68c2115dc5d0829941d304c156c71d /drivers/acpi/acpica/acdebug.h
parentd53d820741806a5488d0f002b61765deb58371f3 (diff)
ACPICA: Add support for host-installed SCI handlers.
This change adds support to allow hosts to install System Control Interrupt handlers. Certain ACPI functionality requires the host to handle raw SCIs. For example, the "SCI Doorbell" that is defined for memory power state support requires the host device driver to handle SCIs to examine if the doorbell has been activated. Multiple SCI handlers can be installed to allow for future expansion. Debugger support is included. Lv Zheng, Bob Moore. ACPICA BZ 1032. Bug summary: It is reported when the PCC (Platform Communication Channel, via MPST table, defined in ACPI specification 5.0) subchannel responds to the host, it issues an SCI and the host must probe the subchannel for channel status. Buglink: http://bugs.acpica.org/show_bug.cgi?id=1032 Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Reviewed-by: Len Brown <len.brown@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/acpica/acdebug.h')
-rw-r--r--drivers/acpi/acpica/acdebug.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/acpi/acpica/acdebug.h b/drivers/acpi/acpica/acdebug.h
index 9feba08c29fe..30c2d6911386 100644
--- a/drivers/acpi/acpica/acdebug.h
+++ b/drivers/acpi/acpica/acdebug.h
@@ -113,11 +113,12 @@ void acpi_db_display_handlers(void);
ACPI_HW_DEPENDENT_RETURN_VOID(void
acpi_db_generate_gpe(char *gpe_arg,
char *block_arg))
+ ACPI_HW_DEPENDENT_RETURN_VOID(void acpi_db_generate_sci(void))
/*
* dbconvert - miscellaneous conversion routines
*/
- acpi_status acpi_db_hex_char_to_value(int hex_char, u8 *return_value);
+acpi_status acpi_db_hex_char_to_value(int hex_char, u8 *return_value);
acpi_status acpi_db_convert_to_package(char *string, union acpi_object *object);