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-rw-r--r--drivers/pinctrl/pinctrl-sunxi.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/pinctrl/pinctrl-sunxi.c b/drivers/pinctrl/pinctrl-sunxi.c
index 7b3a56c0bccd..8ed4b4a3d755 100644
--- a/drivers/pinctrl/pinctrl-sunxi.c
+++ b/drivers/pinctrl/pinctrl-sunxi.c
@@ -464,8 +464,14 @@ static void sunxi_pinctrl_gpio_set(struct gpio_chip *chip,
struct sunxi_pinctrl *pctl = dev_get_drvdata(chip->dev);
u32 reg = sunxi_data_reg(offset);
u8 index = sunxi_data_offset(offset);
+ u32 regval = readl(pctl->membase + reg);
- writel((value & DATA_PINS_MASK) << index, pctl->membase + reg);
+ if (value)
+ regval |= BIT(index);
+ else
+ regval &= ~(BIT(index));
+
+ writel(regval, pctl->membase + reg);
}
static int sunxi_pinctrl_gpio_of_xlate(struct gpio_chip *gc,