diff options
Diffstat (limited to 'drivers/pinctrl/freescale')
| -rw-r--r-- | drivers/pinctrl/freescale/pinctrl-imx8ulp.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/pinctrl/freescale/pinctrl-imx8ulp.c b/drivers/pinctrl/freescale/pinctrl-imx8ulp.c index c5db5dfcfcce..f8572597a54e 100644 --- a/drivers/pinctrl/freescale/pinctrl-imx8ulp.c +++ b/drivers/pinctrl/freescale/pinctrl-imx8ulp.c @@ -225,6 +225,10 @@ static int imx8ulp_pmx_gpio_set_direction(struct pinctrl_dev *pctldev, const struct imx_pin_reg *pin_reg; u32 reg; + pin_reg = &ipctl->pin_regs[offset]; + if (pin_reg->mux_reg == -1) + return -EINVAL; + reg = readl(ipctl->base + pin_reg->mux_reg); if (input) reg = (reg & ~BM_OBE_ENABLED) | BM_IBE_ENABLED; |