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>
Acked-by: Kevin Hilman <khilman@xxxxxxxxxxxxxxxxxxx>
Cc: Paul Walmsley <paul@xxxxxxxxx>
---
Changes in v2:
Rebased the patch on the previous patch in the series
The below branch is updated with this version of the patch
git://gitorious.org/omap-pm/linux.git for_2.6.38/power
arch/arm/mach-omap2/pm.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
Index: linux/arch/arm/mach-omap2/pm.c
===================================================================
--- linux.orig/arch/arm/mach-omap2/pm.c 2010-12-16 11:47:35.000000000 +0530
+++ linux/arch/arm/mach-omap2/pm.c 2010-12-16 11:48:49.073228787 +0530
@@ -95,8 +95,7 @@
/*
* 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)
{
@@ -137,7 +136,10 @@
switch (sleep_switch) {
case FORCEWAKEUP_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]);
break;
case LOWPOWERSTATE_SWITCH:
pwrdm_set_lowpwrstchange(pwrdm);
--
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