[PATCH 2/3] ARM: PXA27x: save/restore PWER on suspend/resume

[Vasily Khoruzhick]

Bootloader can clobber PWER value, so save it state on suspend.

Signed-off-by: Vasily Khoruzhick <anarsoul at gmail.com>
---
 arch/arm/mach-pxa/pxa27x.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index acbaa2b..2951872 100644
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -262,6 +262,7 @@ enum {
 	SLEEP_SAVE_PSTR,
 	SLEEP_SAVE_MDREFR,
 	SLEEP_SAVE_PCFR,
+	SLEEP_SAVE_PWER,
 	SLEEP_SAVE_COUNT
 };
 
@@ -269,7 +270,7 @@ void pxa27x_cpu_pm_save(unsigned long *sleep_save)
 {
 	sleep_save[SLEEP_SAVE_MDREFR] = __raw_readl(MDREFR);
 	SAVE(PCFR);
-
+	SAVE(PWER);
 	SAVE(PSTR);
 }
 
@@ -281,6 +282,7 @@ void pxa27x_cpu_pm_restore(unsigned long *sleep_save)
 	PSSR = PSSR_RDH | PSSR_PH;
 
 	RESTORE(PSTR);
+	RESTORE(PWER);
 }
 
 void pxa27x_cpu_pm_enter(suspend_state_t state)
-- 
1.7.9.2