From: Chris <[email protected]> support suspend/resume of pinctrl, it allows handling sleep mode for hogged pins in pinctrl
Signed-off-by: Chris <[email protected]> Signed-off-by: Chris Zhong <[email protected]> --- Changes in v3: None Changes in v2: None drivers/pinctrl/pinctrl-rockchip.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c index d0f3c18..d384d99 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -1795,6 +1795,31 @@ static struct rockchip_pin_ctrl *rockchip_pinctrl_get_soc_data( return ctrl; } +#ifdef CONFIG_PM +static int rockchip_pinctrl_suspend(struct platform_device *pdev, + pm_message_t state) +{ + struct rockchip_pinctrl *info; + + info = platform_get_drvdata(pdev); + if (!info) + return -EINVAL; + + return pinctrl_force_sleep(info->pctl_dev); +} + +static int rockchip_pinctrl_resume(struct platform_device *pdev) +{ + struct rockchip_pinctrl *info; + + info = platform_get_drvdata(pdev); + if (!info) + return -EINVAL; + + return pinctrl_force_default(info->pctl_dev); +} +#endif + static int rockchip_pinctrl_probe(struct platform_device *pdev) { struct rockchip_pinctrl *info; @@ -2010,6 +2035,10 @@ static struct platform_driver rockchip_pinctrl_driver = { .owner = THIS_MODULE, .of_match_table = rockchip_pinctrl_dt_match, }, + #ifdef CONFIG_PM + .suspend = rockchip_pinctrl_suspend, + .resume = rockchip_pinctrl_resume, + #endif }; static int __init rockchip_pinctrl_drv_register(void) -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
