Messages in this thread Patch in this message | | | From | Wenyou Yang <> | Subject | [PATCH v2 2/3] pm: at91: pm_suspend: MOR register KEY was missing | Date | Wed, 28 Jan 2015 10:23:22 +0800 |
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From: Patrice Vilchez <patrice.vilchez@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@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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