This is a note to let you know that I've just added the patch titled pinctrl: rockchip: fix restore error in resume to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: pinctrl-rockchip-fix-restore-error-in-resume.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From c971af25cda94afe71617790826a86253e88eab0 Mon Sep 17 00:00:00 2001 From: Wang Panzhenzhuan <randy.wang@xxxxxxxxxxxxxx> Date: Tue, 23 Feb 2021 18:07:25 +0800 Subject: pinctrl: rockchip: fix restore error in resume From: Wang Panzhenzhuan <randy.wang@xxxxxxxxxxxxxx> commit c971af25cda94afe71617790826a86253e88eab0 upstream. The restore in resume should match to suspend which only set for RK3288 SoCs pinctrl. Fixes: 8dca933127024 ("pinctrl: rockchip: save and restore gpio6_c6 pinmux in suspend/resume") Reviewed-by: Jianqun Xu <jay.xu@xxxxxxxxxxxxxx> Reviewed-by: Heiko Stuebner <heiko@xxxxxxxxx> Signed-off-by: Wang Panzhenzhuan <randy.wang@xxxxxxxxxxxxxx> Signed-off-by: Jianqun Xu <jay.xu@xxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20210223100725.269240-1-jay.xu@xxxxxxxxxxxxxx Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/pinctrl/pinctrl-rockchip.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -1967,12 +1967,15 @@ static int __maybe_unused rockchip_pinct static int __maybe_unused rockchip_pinctrl_resume(struct device *dev) { struct rockchip_pinctrl *info = dev_get_drvdata(dev); - int ret = regmap_write(info->regmap_base, RK3288_GRF_GPIO6C_IOMUX, - rk3288_grf_gpio6c_iomux | - GPIO6C6_SEL_WRITE_ENABLE); + int ret; - if (ret) - return ret; + if (info->ctrl->type == RK3288) { + ret = regmap_write(info->regmap_base, RK3288_GRF_GPIO6C_IOMUX, + rk3288_grf_gpio6c_iomux | + GPIO6C6_SEL_WRITE_ENABLE); + if (ret) + return ret; + } return pinctrl_force_default(info->pctl_dev); } Patches currently in stable-queue which might be from randy.wang@xxxxxxxxxxxxxx are queue-4.4/pinctrl-rockchip-fix-restore-error-in-resume.patch