| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.4 32/52] ARM: imx6: disable the GIC CPU interface before calling stby-poweroff sequence | Date | Mon, 11 Oct 2021 15:46:01 +0200 |
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From: Oleksij Rempel <o.rempel@pengutronix.de>
[ Upstream commit 783f3db030563f7bcdfe2d26428af98ea1699a8e ]
Any pending interrupt can prevent entering standby based power off state. To avoid it, disable the GIC CPU interface.
Fixes: 8148d2136002 ("ARM: imx6: register pm_power_off handler if "fsl,pmic-stby-poweroff" is set") Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> Signed-off-by: Shawn Guo <shawnguo@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org> --- arch/arm/mach-imx/pm-imx6.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/arm/mach-imx/pm-imx6.c b/arch/arm/mach-imx/pm-imx6.c index baf3b47601af..1b73e4e76310 100644 --- a/arch/arm/mach-imx/pm-imx6.c +++ b/arch/arm/mach-imx/pm-imx6.c @@ -9,6 +9,7 @@ #include <linux/io.h> #include <linux/irq.h> #include <linux/genalloc.h> +#include <linux/irqchip/arm-gic.h> #include <linux/mfd/syscon.h> #include <linux/mfd/syscon/imx6q-iomuxc-gpr.h> #include <linux/of.h> @@ -618,6 +619,7 @@ static void __init imx6_pm_common_init(const struct imx6_pm_socdata static void imx6_pm_stby_poweroff(void) { + gic_cpu_if_down(0); imx6_set_lpm(STOP_POWER_OFF); imx6q_suspend_finish(0); -- 2.33.0
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