mediatek_gpio_get_direction function is holding across a simple read
which it seems to be not neccessary at all. Just remove this locking
cleaning code of this function a bit.
Signed-off-by: Sergio Paracuellos <sergio.paracuel...@gmail.com>
---
drivers/staging/mt7621-gpio/gpio-mt7621.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/drivers/staging/mt7621-gpio/gpio-mt7621.c
b/drivers/staging/mt7621-gpio/gpio-mt7621.c
index 79452eb..143268a 100644
--- a/drivers/staging/mt7621-gpio/gpio-mt7621.c
+++ b/drivers/staging/mt7621-gpio/gpio-mt7621.c
@@ -129,12 +129,7 @@ static int
mediatek_gpio_get_direction(struct gpio_chip *chip, unsigned int offset)
{
struct mtk_gc *rg = to_mediatek_gpio(chip);
- unsigned long flags;
- u32 t;
-
- spin_lock_irqsave(&rg->lock, flags);
- t = mtk_gpio_r32(rg, GPIO_REG_CTRL);
- spin_unlock_irqrestore(&rg->lock, flags);
+ u32 t = mtk_gpio_r32(rg, GPIO_REG_CTRL);
return (t & BIT(offset)) ? 0 : 1;
}
--
2.7.4
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