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path: root/drivers/pinctrl/pinctrl-apple-gpio.c
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Diffstat (limited to 'drivers/pinctrl/pinctrl-apple-gpio.c')
-rw-r--r--drivers/pinctrl/pinctrl-apple-gpio.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/pinctrl/pinctrl-apple-gpio.c b/drivers/pinctrl/pinctrl-apple-gpio.c
index cce95367c156..bd7f28150ac0 100644
--- a/drivers/pinctrl/pinctrl-apple-gpio.c
+++ b/drivers/pinctrl/pinctrl-apple-gpio.c
@@ -81,12 +81,16 @@ static void apple_gpio_set_reg(struct apple_gpio_pinctrl *pctl,
regmap_update_bits(pctl->map, REG_GPIO(pin), mask, value);
}
-static uint32_t apple_gpio_get_reg(struct apple_gpio_pinctrl *pctl,
+static u32 apple_gpio_get_reg(struct apple_gpio_pinctrl *pctl,
unsigned int pin)
{
- unsigned int val = 0;
+ int ret;
+ u32 val;
+
+ ret = regmap_read(pctl->map, REG_GPIO(pin), &val);
+ if (ret)
+ return 0;
- regmap_read(pctl->map, REG_GPIO(pin), &val);
return val;
}