summaryrefslogtreecommitdiff
path: root/include/linux/cpuidle.h
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2012-03-30 16:45:38 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-03-30 16:45:39 -0700
commita335750b9a039a9d4cd727cdccacfb90fd63c4e8 (patch)
tree8f3198984fb75fe494e771d9431f6799228623c5 /include/linux/cpuidle.h
parent10f3cb41d48ab30f5c754b30eea557371892b4c2 (diff)
parentd326f44e5f2204c7a24db69bfc6dd3fe5f86182b (diff)
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
Pull ACPI & Power Management changes from Len Brown: - ACPI 5.0 after-ripples, ACPICA/Linux divergence cleanup - cpuidle evolving, more ARM use - thermal sub-system evolving, ditto - assorted other PM bits Fix up conflicts in various cpuidle implementations due to ARM cpuidle cleanups (ARM at91 self-refresh and cpu idle code rewritten into "standby" in asm conflicting with the consolidation of cpuidle time keeping), trivial SH include file context conflict and RCU tracing fixes in generic code. * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux: (77 commits) ACPI throttling: fix endian bug in acpi_read_throttling_status() Disable MCP limit exceeded messages from Intel IPS driver ACPI video: Don't start video device until its associated input device has been allocated ACPI video: Harden video bus adding. ACPI: Add support for exposing BGRT data ACPI: export acpi_kobj ACPI: Fix logic for removing mappings in 'acpi_unmap' CPER failed to handle generic error records with multiple sections ACPI: Clean redundant codes in scan.c ACPI: Fix unprotected smp_processor_id() in acpi_processor_cst_has_changed() ACPI: consistently use should_use_kmap() PNPACPI: Fix device ref leaking in acpi_pnp_match ACPI: Fix use-after-free in acpi_map_lsapic ACPI: processor_driver: add missing kfree ACPI, APEI: Fix incorrect APEI register bit width check and usage Update documentation for parameter *notrigger* in einj.txt ACPI, APEI, EINJ, new parameter to control trigger action ACPI, APEI, EINJ, limit the range of einj_param ACPI, APEI, Fix ERST header length check cpuidle: power_usage should be declared signed integer ...
Diffstat (limited to 'include/linux/cpuidle.h')
-rw-r--r--include/linux/cpuidle.h22
1 files changed, 19 insertions, 3 deletions
diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h
index 712abcc205ae..6c26a3da0e03 100644
--- a/include/linux/cpuidle.h
+++ b/include/linux/cpuidle.h
@@ -15,6 +15,7 @@
#include <linux/list.h>
#include <linux/kobject.h>
#include <linux/completion.h>
+#include <linux/hrtimer.h>
#define CPUIDLE_STATE_MAX 8
#define CPUIDLE_NAME_LEN 16
@@ -43,12 +44,15 @@ struct cpuidle_state {
unsigned int flags;
unsigned int exit_latency; /* in US */
- unsigned int power_usage; /* in mW */
+ int power_usage; /* in mW */
unsigned int target_residency; /* in US */
+ unsigned int disable;
int (*enter) (struct cpuidle_device *dev,
struct cpuidle_driver *drv,
int index);
+
+ int (*enter_dead) (struct cpuidle_device *dev, int index);
};
/* Idle State Flags */
@@ -96,7 +100,6 @@ struct cpuidle_device {
struct list_head device_list;
struct kobject kobj;
struct completion kobj_unregister;
- void *governor_data;
};
DECLARE_PER_CPU(struct cpuidle_device *, cpuidle_devices);
@@ -118,10 +121,12 @@ static inline int cpuidle_get_last_residency(struct cpuidle_device *dev)
****************************/
struct cpuidle_driver {
- char name[CPUIDLE_NAME_LEN];
+ const char *name;
struct module *owner;
unsigned int power_specified:1;
+ /* set to 1 to use the core cpuidle time keeping (for all states). */
+ unsigned int en_core_tk_irqen:1;
struct cpuidle_state states[CPUIDLE_STATE_MAX];
int state_count;
int safe_state_index;
@@ -140,6 +145,11 @@ extern void cpuidle_pause_and_lock(void);
extern void cpuidle_resume_and_unlock(void);
extern int cpuidle_enable_device(struct cpuidle_device *dev);
extern void cpuidle_disable_device(struct cpuidle_device *dev);
+extern int cpuidle_wrap_enter(struct cpuidle_device *dev,
+ struct cpuidle_driver *drv, int index,
+ int (*enter)(struct cpuidle_device *dev,
+ struct cpuidle_driver *drv, int index));
+extern int cpuidle_play_dead(void);
#else
static inline void disable_cpuidle(void) { }
@@ -157,6 +167,12 @@ static inline void cpuidle_resume_and_unlock(void) { }
static inline int cpuidle_enable_device(struct cpuidle_device *dev)
{return -ENODEV; }
static inline void cpuidle_disable_device(struct cpuidle_device *dev) { }
+static inline int cpuidle_wrap_enter(struct cpuidle_device *dev,
+ struct cpuidle_driver *drv, int index,
+ int (*enter)(struct cpuidle_device *dev,
+ struct cpuidle_driver *drv, int index))
+{ return -ENODEV; }
+static inline int cpuidle_play_dead(void) {return -ENODEV; }
#endif