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Diffstat (limited to 'arch/arm/mach-shmobile/pm-sh7372.c')
-rw-r--r--arch/arm/mach-shmobile/pm-sh7372.c79
1 files changed, 45 insertions, 34 deletions
diff --git a/arch/arm/mach-shmobile/pm-sh7372.c b/arch/arm/mach-shmobile/pm-sh7372.c
index d01122c0d9b..5cafd35cc41 100644
--- a/arch/arm/mach-shmobile/pm-sh7372.c
+++ b/arch/arm/mach-shmobile/pm-sh7372.c
@@ -21,6 +21,7 @@
#include <linux/irq.h>
#include <linux/bitrev.h>
#include <linux/console.h>
+#include <asm/cpuidle.h>
#include <asm/io.h>
#include <asm/tlbflush.h>
#include <asm/suspend.h>
@@ -347,7 +348,8 @@ static int sh7372_do_idle_core_standby(unsigned long unused)
return 0;
}
-static void sh7372_enter_core_standby(void)
+static int sh7372_enter_core_standby(struct cpuidle_device *dev,
+ struct cpuidle_driver *drv, int index)
{
sh7372_set_reset_vector(__pa(sh7372_resume_core_standby_sysc));
@@ -358,52 +360,61 @@ static void sh7372_enter_core_standby(void)
/* disable reset vector translation */
__raw_writel(0, SBAR);
+
+ return 1;
}
-static void sh7372_enter_a3sm_pll_on(void)
+static int sh7372_enter_a3sm_pll_on(struct cpuidle_device *dev,
+ struct cpuidle_driver *drv, int index)
{
sh7372_enter_a3sm_common(1);
+ return 2;
}
-static void sh7372_enter_a3sm_pll_off(void)
+static int sh7372_enter_a3sm_pll_off(struct cpuidle_device *dev,
+ struct cpuidle_driver *drv, int index)
{
sh7372_enter_a3sm_common(0);
+ return 3;
}
-static void sh7372_cpuidle_setup(struct cpuidle_driver *drv)
-{
- struct cpuidle_state *state = &drv->states[drv->state_count];
-
- snprintf(state->name, CPUIDLE_NAME_LEN, "C2");
- strncpy(state->desc, "Core Standby Mode", CPUIDLE_DESC_LEN);
- state->exit_latency = 10;
- state->target_residency = 20 + 10;
- state->flags = CPUIDLE_FLAG_TIME_VALID;
- shmobile_cpuidle_modes[drv->state_count] = sh7372_enter_core_standby;
- drv->state_count++;
-
- state = &drv->states[drv->state_count];
- snprintf(state->name, CPUIDLE_NAME_LEN, "C3");
- strncpy(state->desc, "A3SM PLL ON", CPUIDLE_DESC_LEN);
- state->exit_latency = 20;
- state->target_residency = 30 + 20;
- state->flags = CPUIDLE_FLAG_TIME_VALID;
- shmobile_cpuidle_modes[drv->state_count] = sh7372_enter_a3sm_pll_on;
- drv->state_count++;
-
- state = &drv->states[drv->state_count];
- snprintf(state->name, CPUIDLE_NAME_LEN, "C4");
- strncpy(state->desc, "A3SM PLL OFF", CPUIDLE_DESC_LEN);
- state->exit_latency = 120;
- state->target_residency = 30 + 120;
- state->flags = CPUIDLE_FLAG_TIME_VALID;
- shmobile_cpuidle_modes[drv->state_count] = sh7372_enter_a3sm_pll_off;
- drv->state_count++;
-}
+static struct cpuidle_driver sh7372_cpuidle_driver = {
+ .name = "sh7372_cpuidle",
+ .owner = THIS_MODULE,
+ .en_core_tk_irqen = 1,
+ .state_count = 4,
+ .safe_state_index = 0, /* C1 */
+ .states[0] = ARM_CPUIDLE_WFI_STATE,
+ .states[0].enter = shmobile_enter_wfi,
+ .states[1] = {
+ .name = "C2",
+ .desc = "Core Standby Mode",
+ .exit_latency = 10,
+ .target_residency = 20 + 10,
+ .flags = CPUIDLE_FLAG_TIME_VALID,
+ .enter = sh7372_enter_core_standby,
+ },
+ .states[2] = {
+ .name = "C3",
+ .desc = "A3SM PLL ON",
+ .exit_latency = 20,
+ .target_residency = 30 + 20,
+ .flags = CPUIDLE_FLAG_TIME_VALID,
+ .enter = sh7372_enter_a3sm_pll_on,
+ },
+ .states[3] = {
+ .name = "C4",
+ .desc = "A3SM PLL OFF",
+ .exit_latency = 120,
+ .target_residency = 30 + 120,
+ .flags = CPUIDLE_FLAG_TIME_VALID,
+ .enter = sh7372_enter_a3sm_pll_off,
+ },
+};
static void sh7372_cpuidle_init(void)
{
- shmobile_cpuidle_setup = sh7372_cpuidle_setup;
+ shmobile_cpuidle_set_driver(&sh7372_cpuidle_driver);
}
#else
static void sh7372_cpuidle_init(void) {}