Messages in this thread Patch in this message | | | From | Jianqun Xu <> | Subject | [PATCH 4/6] pinctrl: rockchip: do not set gpio if bank invalid | Date | Mon, 31 Aug 2020 16:47:51 +0800 |
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Add valid check for gpio bank.
Change-Id: Ib03e2910a7316bd61df18236151e371c4d04077a Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com> --- drivers/pinctrl/pinctrl-rockchip.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c index 265d64b8c4f5..6080573155f6 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -2687,6 +2687,9 @@ static int rockchip_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin, return rc; break; case PIN_CONFIG_OUTPUT: + if (!bank->valid) + return -ENOTSUPP; + rockchip_gpio_set(&bank->gpio_chip, pin - bank->pin_base, arg); rc = _rockchip_pmx_gpio_set_direction(&bank->gpio_chip, @@ -2752,6 +2755,9 @@ static int rockchip_pinconf_get(struct pinctrl_dev *pctldev, unsigned int pin, arg = 1; break; case PIN_CONFIG_OUTPUT: + if (!bank->valid) + return -ENOTSUPP; + rc = rockchip_get_mux(bank, pin - bank->pin_base); if (rc != RK_FUNC_GPIO) return -EINVAL; -- 2.17.1
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