From 855811eaeb83a380e30badba7226b02772922de9 Mon Sep 17 00:00:00 2001 From: Abel Vesa Date: Mon, 8 Apr 2019 18:38:31 +0000 Subject: pinctrl: imx8mq: Add suspend/resume ops To support pinctl hog restore after LPSR resume back, add the generic suspend/resume in pinctrl-imx along with the generic pm ops to be used by platform specific drivers. Then make use of the newly added ops in i.MX8MQ platform specific driver. Signed-off-by: Robin Gong Signed-off-by: Abel Vesa Acked-by: Dong Aisheng Signed-off-by: Linus Walleij --- drivers/pinctrl/freescale/pinctrl-imx.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'drivers/pinctrl/freescale/pinctrl-imx.c') diff --git a/drivers/pinctrl/freescale/pinctrl-imx.c b/drivers/pinctrl/freescale/pinctrl-imx.c index 9635a2e93c72..83ff9532bae6 100644 --- a/drivers/pinctrl/freescale/pinctrl-imx.c +++ b/drivers/pinctrl/freescale/pinctrl-imx.c @@ -885,3 +885,22 @@ free: return ret; } + +static int __maybe_unused imx_pinctrl_suspend(struct device *dev) +{ + struct imx_pinctrl *ipctl = dev_get_drvdata(dev); + + return pinctrl_force_sleep(ipctl->pctl); +} + +static int __maybe_unused imx_pinctrl_resume(struct device *dev) +{ + struct imx_pinctrl *ipctl = dev_get_drvdata(dev); + + return pinctrl_force_default(ipctl->pctl); +} + +const struct dev_pm_ops imx_pinctrl_pm_ops = { + SET_LATE_SYSTEM_SLEEP_PM_OPS(imx_pinctrl_suspend, + imx_pinctrl_resume) +}; -- cgit v1.2.3