Messages in this thread Patch in this message |  | | From | Wenyou Yang <> | Subject | [PATCH 2/3] pm: at91: pm_suspend: MOR register KEY was missing | Date | Thu, 12 Feb 2015 10:52:13 +0800 |
| |
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 1c7256a..5347ad4 100644 --- a/arch/arm/mach-at91/pm_suspend.S +++ b/arch/arm/mach-at91/pm_suspend.S @@ -132,6 +132,7 @@ ENTRY(at91_pm_suspend_in_sram) /* 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: @@ -149,6 +150,7 @@ 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
|  |