Use the new cpuidle API and define in the driver the states.
Signed-off-by: Daniel Lezcano <daniel.lezc...@linaro.org>
Reviewed-by: Jean Pihet <j-pi...@ti.com>
---
arch/arm/mach-omap2/cpuidle34xx.c | 86 +++++++++++++++++++++++++-----------
1 files changed, 60 insertions(+), 26 deletions(-)
diff --git a/arch/arm/mach-omap2/cpuidle34xx.c
b/arch/arm/mach-omap2/cpuidle34xx.c
index 3519a8b..11a2c23 100644
--- a/arch/arm/mach-omap2/cpuidle34xx.c
+++ b/arch/arm/mach-omap2/cpuidle34xx.c
@@ -301,23 +301,68 @@ DEFINE_PER_CPU(struct cpuidle_device, omap3_idle_dev);
struct cpuidle_driver omap3_idle_driver = {
.name = "omap3_idle",
.owner = THIS_MODULE,
+ .states = {
+ {
+ .enter = omap3_enter_idle,
+ .exit_latency = 2 + 2,
+ .target_residency = 5,
+ .flags = CPUIDLE_FLAG_TIME_VALID,
+ .name = "C1",
+ .desc = "MPU ON + CORE ON",
+ },
+ {
+ .enter = omap3_enter_idle_bm,
+ .exit_latency = 10 + 10,
+ .target_residency = 30,
+ .flags = CPUIDLE_FLAG_TIME_VALID,
+ .name = "C2",
+ .desc = "MPU ON + CORE ON",
+ },
+ {
+ .enter = omap3_enter_idle_bm,
+ .exit_latency = 50 + 50,
+ .target_residency = 300,
+ .flags = CPUIDLE_FLAG_TIME_VALID,
+ .name = "C3",
+ .desc = "MPU RET + CORE ON",
+ },
+ {
+ .enter = omap3_enter_idle_bm,
+ .exit_latency = 1500 + 1800,
+ .target_residency = 4000,
+ .flags = CPUIDLE_FLAG_TIME_VALID,
+ .name = "C4",
+ .desc = "MPU OFF + CORE ON",
+ },
+ {
+ .enter = omap3_enter_idle_bm,
+ .exit_latency = 2500 + 7500,
+ .target_residency = 12000,
+ .flags = CPUIDLE_FLAG_TIME_VALID,
+ .name = "C5",
+ .desc = "MPU RET + CORE RET",
+ },
+ {
+ .enter = omap3_enter_idle_bm,
+ .exit_latency = 3000 + 8500,
+ .target_residency = 15000,
+ .flags = CPUIDLE_FLAG_TIME_VALID,
+ .name = "C6",
+ .desc = "MPU OFF + CORE RET",
+ },
+ {
+ .enter = omap3_enter_idle_bm,
+ .exit_latency = 10000 + 30000,
+ .target_residency = 30000,
+ .flags = CPUIDLE_FLAG_TIME_VALID,
+ .name = "C7",
+ .desc = "MPU OFF + CORE OFF",
+ },
+ },
+ .state_count = OMAP3_NUM_STATES,
+ .safe_state_index = 0,
};
-/* Helper to fill the C-state common data*/
-static inline void _fill_cstate(struct cpuidle_driver *drv,
- int idx, const char *descr)
-{
- struct cpuidle_state *state = &drv->states[idx];
-
- state->exit_latency = cpuidle_params_table[idx].exit_latency;
- state->target_residency = cpuidle_params_table[idx].target_residency;
- state->flags = CPUIDLE_FLAG_TIME_VALID;
- state->enter = omap3_enter_idle_bm;
- sprintf(state->name, "C%d", idx + 1);
- strncpy(state->desc, descr, CPUIDLE_DESC_LEN);
-
-}
-
/* Helper to register the driver_data */
static inline struct omap3_idle_statedata *_fill_cstate_usage(
struct cpuidle_device *dev,
@@ -350,50 +395,40 @@ int __init omap3_idle_init(void)
cam_pd = pwrdm_lookup("cam_pwrdm");
- drv->safe_state_index = -1;
dev = &per_cpu(omap3_idle_dev, smp_processor_id());
/* C1 . MPU WFI + Core active */
- _fill_cstate(drv, 0, "MPU ON + CORE ON");
- (&drv->states[0])->enter = omap3_enter_idle;
- drv->safe_state_index = 0;
cx = _fill_cstate_usage(dev, 0);
cx->valid = 1; /* C1 is always valid */
cx->mpu_state = PWRDM_POWER_ON;
cx->core_state = PWRDM_POWER_ON;
/* C2 . MPU WFI + Core inactive */
- _fill_cstate(drv, 1, "MPU ON + CORE ON");
cx = _fill_cstate_usage(dev, 1);
cx->mpu_state = PWRDM_POWER_ON;
cx->core_state = PWRDM_POWER_ON;
/* C3 . MPU CSWR + Core inactive */
- _fill_cstate(drv, 2, "MPU RET + CORE ON");
cx = _fill_cstate_usage(dev, 2);
cx->mpu_state = PWRDM_POWER_RET;
cx->core_state = PWRDM_POWER_ON;
/* C4 . MPU OFF + Core inactive */
- _fill_cstate(drv, 3, "MPU OFF + CORE ON");
cx = _fill_cstate_usage(dev, 3);
cx->mpu_state = PWRDM_POWER_OFF;
cx->core_state = PWRDM_POWER_ON;
/* C5 . MPU RET + Core RET */
- _fill_cstate(drv, 4, "MPU RET + CORE RET");
cx = _fill_cstate_usage(dev, 4);
cx->mpu_state = PWRDM_POWER_RET;
cx->core_state = PWRDM_POWER_RET;
/* C6 . MPU OFF + Core RET */
- _fill_cstate(drv, 5, "MPU OFF + CORE RET");
cx = _fill_cstate_usage(dev, 5);
cx->mpu_state = PWRDM_POWER_OFF;
cx->core_state = PWRDM_POWER_RET;
/* C7 . MPU OFF + Core OFF */
- _fill_cstate(drv, 6, "MPU OFF + CORE OFF");
cx = _fill_cstate_usage(dev, 6);
/*
* Erratum i583: implementation for ES rev < Es1.2 on 3630. We cannot
@@ -411,7 +446,6 @@ int __init omap3_idle_init(void)
drv->state_count = OMAP3_NUM_STATES;
cpuidle_register_driver(&omap3_idle_driver);
- dev->state_count = OMAP3_NUM_STATES;
if (cpuidle_register_device(dev)) {
printk(KERN_ERR "%s: CPUidle register device failed\n",
__func__);
--
1.7.5.4
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
