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authorLuming Yu <luming.yu@gmail.com>2007-05-26 22:49:58 +0800
committerLen Brown <len.brown@intel.com>2007-06-02 00:07:47 -0400
commit01854e697a77a434104b2f7e6d7fd463a978af32 (patch)
tree5882fceb379dacfc9e9f784d8c265a3be46b513e /drivers/acpi/processor_core.c
parentf285e3d329ce68cc355fadf4ab2c8f34d7f264cb (diff)
ACPI: add ACPI 3.0 _TPC _TSS _PTC throttling support
adds _TPC _TSS _PTC -- Throttling Present Capabilities Signed-off-by: Luming Yu <luming.yu@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/processor_core.c')
-rw-r--r--drivers/acpi/processor_core.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index f7de02a6f49..7aefb7c0e4d 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -66,6 +66,7 @@
#define ACPI_PROCESSOR_FILE_LIMIT "limit"
#define ACPI_PROCESSOR_NOTIFY_PERFORMANCE 0x80
#define ACPI_PROCESSOR_NOTIFY_POWER 0x81
+#define ACPI_PROCESSOR_NOTIFY_THROTTLING 0x82
#define ACPI_PROCESSOR_LIMIT_USER 0
#define ACPI_PROCESSOR_LIMIT_THERMAL 1
@@ -84,6 +85,8 @@ static int acpi_processor_info_open_fs(struct inode *inode, struct file *file);
static void acpi_processor_notify(acpi_handle handle, u32 event, void *data);
static acpi_status acpi_processor_hotadd_init(acpi_handle handle, int *p_cpu);
static int acpi_processor_handle_eject(struct acpi_processor *pr);
+extern int acpi_processor_tstate_has_changed(struct acpi_processor *pr);
+
static struct acpi_driver acpi_processor_driver = {
.name = "processor",
@@ -699,6 +702,9 @@ static void acpi_processor_notify(acpi_handle handle, u32 event, void *data)
acpi_processor_cst_has_changed(pr);
acpi_bus_generate_event(device, event, 0);
break;
+ case ACPI_PROCESSOR_NOTIFY_THROTTLING:
+ acpi_processor_tstate_has_changed(pr);
+ acpi_bus_generate_event(device, event, 0);
default:
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Unsupported event [0x%x]\n", event));