From bb1a0e87e1c54cd884e9b92b1cec06b186edc7a0 Mon Sep 17 00:00:00 2001 From: Claudiu Beznea Date: Mon, 20 Jan 2020 14:10:08 +0200 Subject: ARM: at91: pm: add quirk for sam9x60's ulp1 On SAM9X60 2 nop operations has to be introduced after setting WAITMODE bit in CKGR_MOR. Signed-off-by: Claudiu Beznea Signed-off-by: Alexandre Belloni Link: https://lore.kernel.org/r/1579522208-19523-9-git-send-email-claudiu.beznea@microchip.com --- arch/arm/mach-at91/pm_suspend.S | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'arch/arm/mach-at91') diff --git a/arch/arm/mach-at91/pm_suspend.S b/arch/arm/mach-at91/pm_suspend.S index 4e9eb4f57f16..be9764e8d3fa 100644 --- a/arch/arm/mach-at91/pm_suspend.S +++ b/arch/arm/mach-at91/pm_suspend.S @@ -275,6 +275,10 @@ 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 */ -- cgit 1.4.1