[PATCH v2 2/3] pm: at91: pm_suspend: MOR register KEY was missing
Wenyou Yang
wenyou.yang at atmel.com
Tue Jan 27 18:23:22 PST 2015
From: Patrice Vilchez <patrice.vilchez at atmel.com>
Because writing the MOR register requires the PASSWD(0x37),
if missed, the write operation will be aborted.
Signed-off-by: Patrice Vilchez <patrice.vilchez at atmel.com>
---
arch/arm/mach-at91/pm_suspend.S | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm/mach-at91/pm_suspend.S b/arch/arm/mach-at91/pm_suspend.S
index aed6903..311cc23 100644
--- a/arch/arm/mach-at91/pm_suspend.S
+++ b/arch/arm/mach-at91/pm_suspend.S
@@ -224,6 +224,7 @@ sdr_sr_done:
/* Turn off the main oscillator */
ldr tmp1, [pmc, #AT91_CKGR_MOR]
bic tmp1, tmp1, #AT91_PMC_MOSCEN
+ orr tmp1, tmp1, #AT91_PMC_KEY
str tmp1, [pmc, #AT91_CKGR_MOR]
skip_disable_main_clock:
@@ -236,6 +237,7 @@ skip_disable_main_clock:
/* Turn on the main oscillator */
ldr tmp1, [pmc, #AT91_CKGR_MOR]
orr tmp1, tmp1, #AT91_PMC_MOSCEN
+ orr tmp1, tmp1, #AT91_PMC_KEY
str tmp1, [pmc, #AT91_CKGR_MOR]
wait_moscrdy
--
1.7.9.5
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