From: Rajendra Nayak <rnayak@xxxxxx>
omap_set_pwrdm_state today assumes a clkdm supports hw_auto
transitions and hence leaves some which do not support this
in sw wkup state preventing low power transitions.
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, 5 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c
index dc68044..a2a70e1 100644
--- a/arch/arm/mach-omap2/pm.c
+++ b/arch/arm/mach-omap2/pm.c
@@ -91,8 +91,7 @@ static void omap2_init_processor_devices(void)
/*
* This sets pwrdm state (other than mpu & core. Currently only ON &
- * RET are supported. Function is assuming that clkdm doesn't have
- * hw_sup mode enabled.
+ * RET are supported.
*/
int omap_set_pwrdm_state(struct powerdomain *pwrdm, u32 state)
{
@@ -135,7 +134,10 @@ int omap_set_pwrdm_state(struct powerdomain *pwrdm, u32 state)
}
if (sleep_switch) {
- omap2_clkdm_allow_idle(pwrdm->pwrdm_clkdms[0]);
+ if (pwrdm->pwrdm_clkdms[0]->flags & CLKDM_CAN_ENABLE_AUTO)
+ omap2_clkdm_allow_idle(pwrdm->pwrdm_clkdms[0]);
+ else
+ omap2_clkdm_sleep(pwrdm->pwrdm_clkdms[0]);
pwrdm_wait_transition(pwrdm);
pwrdm_state_switch(pwrdm);
}
--
1.7.0.4
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