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pinctrl: rockchip: fix pinmux reset in rockchip_pmx_set

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[ Upstream commit 4ea4d4808e ]

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: 14797189b3 ("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>
This commit is contained in:
Huang-Huang Bao 2024-06-06 20:57:55 +08:00 committed by Greg Kroah-Hartman
parent b85dec60a3
commit 2838dfa529
1 changed files with 3 additions and 1 deletions
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4
drivers/pinctrl/pinctrl-rockchip.c
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@ -2751,8 +2751,10 @@ 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;
}