From: Claudiu Beznea <claudiu.beznea@xxxxxxxxxxxxx> [ Upstream commit bb1a0e87e1c54cd884e9b92b1cec06b186edc7a0 ] On SAM9X60 2 nop operations has to be introduced after setting WAITMODE bit in CKGR_MOR. Signed-off-by: Claudiu Beznea <claudiu.beznea@xxxxxxxxxxxxx> Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx> Link: https://lore.kernel.org/r/1579522208-19523-9-git-send-email-claudiu.beznea@xxxxxxxxxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- arch/arm/mach-at91/pm_suspend.S | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/mach-at91/pm_suspend.S b/arch/arm/mach-at91/pm_suspend.S index ed57c879d4e17..2591cba61937b 100644 --- a/arch/arm/mach-at91/pm_suspend.S +++ b/arch/arm/mach-at91/pm_suspend.S @@ -268,6 +268,10 @@ ENDPROC(at91_backup_mode) orr tmp1, tmp1, #AT91_PMC_KEY str tmp1, [pmc, #AT91_CKGR_MOR] + /* Quirk for SAM9X60's PMC */ + nop + nop + wait_mckrdy /* Enable the crystal oscillator */ -- 2.25.1
