From: Rajendra Nayak <rnayak@xxxxxx>
For pwrdm's which support lowperstatechange, do not try waking
up the domain to put it back to deeper sleep state.
Signed-off-by: Rajendra Nayak <rnayak@xxxxxx>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@xxxxxx>
Acked-by: Benoit Cousson <b-cousson@xxxxxx>
---
arch/arm/mach-omap2/pm.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c
index cf1c4c9..dc68044 100644
--- a/arch/arm/mach-omap2/pm.c
+++ b/arch/arm/mach-omap2/pm.c
@@ -114,6 +114,14 @@ int omap_set_pwrdm_state(struct powerdomain *pwrdm, u32 state)
return ret;
if (pwrdm_read_pwrst(pwrdm) < PWRDM_POWER_ON) {
+ if ((pwrdm_read_pwrst(pwrdm) > state) &&
+ (pwrdm->flags & PWRDM_HAS_LOWPOWERSTATECHANGE)) {
+ ret = pwrdm_set_next_pwrst(pwrdm, state);
+ pwrdm_set_lowpwrstchange(pwrdm);
+ pwrdm_wait_transition(pwrdm);
+ pwrdm_state_switch(pwrdm);
+ return ret;
+ }
omap2_clkdm_wakeup(pwrdm->pwrdm_clkdms[0]);
sleep_switch = 1;
pwrdm_wait_transition(pwrdm);
--
1.7.0.4
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