Messages in this thread Patch in this message | | | From | Alexandre Belloni <> | Subject | [PATCH v2 3/3] ARM: at91: pm: fallback to slowclock when backup mode fails | Date | Wed, 10 May 2017 21:16:12 +0200 |
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If the backup sram allocation fails, ensure we can suspend by falling back to the usual slow clock mode.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Acked-by: Wenyou Yang <wenyou.yang@atmel.com> --- arch/arm/mach-at91/pm.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c index ef9c1d29cc67..fc4026478579 100644 --- a/arch/arm/mach-at91/pm.c +++ b/arch/arm/mach-at91/pm.c @@ -544,6 +544,11 @@ static void __init at91_pm_backup_init(void) securam_fail: iounmap(pm_data.sfrbu); pm_data.sfrbu = NULL; + + if (pm_data.standby_mode == AT91_PM_BACKUP) + pm_data.standby_mode = AT91_PM_SLOW_CLOCK; + if (pm_data.suspend_mode == AT91_PM_BACKUP) + pm_data.suspend_mode = AT91_PM_SLOW_CLOCK; } struct pmc_info { -- 2.11.0
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