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



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>

parent 7693e18e

arch/arm/mach-at91/pm.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -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 {