4.19-stable review patch. If anyone has any objections, please let me know.
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From: Huang-Huang Bao i@eh5.me
[ Upstream commit 4ea4d4808e342ddf89ba24b93ffa2057005aaced ]
rockchip_pmx_set reset all pinmuxs in group to 0 in the case of error, add missing bank data retrieval in that code to avoid setting mux on unexpected pins.
Fixes: 14797189b35e ("pinctrl: rockchip: add return value to rockchip_set_mux") Reviewed-by: Heiko Stuebner heiko@sntech.de Signed-off-by: Huang-Huang Bao i@eh5.me Link: https://lore.kernel.org/r/20240606125755.53778-5-i@eh5.me Signed-off-by: Linus Walleij linus.walleij@linaro.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/pinctrl/pinctrl-rockchip.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c index 849bd2f9dfd27..0dfb00919b9ba 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -2203,8 +2203,10 @@ static int rockchip_pmx_set(struct pinctrl_dev *pctldev, unsigned selector,
if (ret) { /* revert the already done pin settings */ - for (cnt--; cnt >= 0; cnt--) + for (cnt--; cnt >= 0; cnt--) { + bank = pin_to_bank(info, pins[cnt]); rockchip_set_mux(bank, pins[cnt] - bank->pin_base, 0); + }
return ret; }