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Diffstat (limited to 'drivers/idle/intel_idle.c')
-rw-r--r--drivers/idle/intel_idle.c19
1 files changed, 6 insertions, 13 deletions
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index 0906fc5b69b..cb3ccf3ed22 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -59,18 +59,11 @@
#include <linux/hrtimer.h> /* ktime_get_real() */
#include <trace/events/power.h>
#include <linux/sched.h>
+#include <asm/mwait.h>
#define INTEL_IDLE_VERSION "0.4"
#define PREFIX "intel_idle: "
-#define MWAIT_SUBSTATE_MASK (0xf)
-#define MWAIT_CSTATE_MASK (0xf)
-#define MWAIT_SUBSTATE_SIZE (4)
-#define MWAIT_MAX_NUM_CSTATES 8
-#define CPUID_MWAIT_LEAF (5)
-#define CPUID5_ECX_EXTENSIONS_SUPPORTED (0x1)
-#define CPUID5_ECX_INTERRUPT_BREAK (0x2)
-
static struct cpuidle_driver intel_idle_driver = {
.name = "intel_idle",
.owner = THIS_MODULE,
@@ -157,13 +150,13 @@ static struct cpuidle_state atom_cstates[MWAIT_MAX_NUM_CSTATES] = {
{ /* MWAIT C5 */ },
{ /* MWAIT C6 */
.name = "ATM-C6",
- .desc = "MWAIT 0x40",
- .driver_data = (void *) 0x40,
+ .desc = "MWAIT 0x52",
+ .driver_data = (void *) 0x52,
.flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
- .exit_latency = 200,
+ .exit_latency = 140,
.power_usage = 150,
- .target_residency = 800,
- .enter = NULL }, /* disabled */
+ .target_residency = 560,
+ .enter = &intel_idle },
};
/**