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ARM: at91: pm: fallback to slowclock when backup mode fails

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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>
This commit is contained in:
Alexandre Belloni 2017-04-26 16:34:24 +02:00
parent 7693e18e8c
commit 287322386d
1 changed files with 5 additions and 0 deletions
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5
arch/arm/mach-at91/pm.c
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@ -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 {