Currently clock gating for MPU and core are denied whenever C1 state is
selected. It should be denied only when safe state is selected.
Signed-off-by: Vishwanath BS <vishwanath.bs@xxxxxx>
---
arch/arm/mach-omap2/cpuidle34xx.c | 20 ++++++++++----------
1 files changed, 10 insertions(+), 10 deletions(-)
diff --git a/arch/arm/mach-omap2/cpuidle34xx.c b/arch/arm/mach-omap2/cpuidle34xx.c
index f8e35b3..1e4ec7f 100644
--- a/arch/arm/mach-omap2/cpuidle34xx.c
+++ b/arch/arm/mach-omap2/cpuidle34xx.c
@@ -139,19 +139,9 @@ static int omap3_enter_idle(struct cpuidle_device *dev,
if (omap_irq_pending() || need_resched())
goto return_sleep_time;
- if (cx->type == OMAP3_STATE_C1) {
- pwrdm_for_each_clkdm(mpu_pd, _cpuidle_deny_idle);
- pwrdm_for_each_clkdm(core_pd, _cpuidle_deny_idle);
- }
-
/* Execute ARM wfi */
omap_sram_idle();
- if (cx->type == OMAP3_STATE_C1) {
- pwrdm_for_each_clkdm(mpu_pd, _cpuidle_allow_idle);
- pwrdm_for_each_clkdm(core_pd, _cpuidle_allow_idle);
- }
-
return_sleep_time:
getnstimeofday(&ts_postidle);
ts_idle = timespec_sub(ts_postidle, ts_preidle);
@@ -315,8 +305,18 @@ static int omap3_enter_idle_bm(struct cpuidle_device *dev,
select_state:
dev->last_state = new_state;
+
+ if (new_state == dev->safe_state) {
+ pwrdm_for_each_clkdm(mpu_pd, _cpuidle_deny_idle);
+ pwrdm_for_each_clkdm(core_pd, _cpuidle_deny_idle);
+ }
ret = omap3_enter_idle(dev, new_state);
+ if (new_state == dev->safe_state) {
+ pwrdm_for_each_clkdm(mpu_pd, _cpuidle_allow_idle);
+ pwrdm_for_each_clkdm(core_pd, _cpuidle_allow_idle);
+ }
+
/* Restore original PER state if it was modified */
if (per_next_state != per_saved_state)
pwrdm_set_next_pwrst(per_pd, per_saved_state);
--
1.7.0.4
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