| Message ID | 20200920203430.25829-1-lists@wildgooses.com |
|---|---|
| State | New |
| Headers | show |
| Series | gpio: gpio-amd-fch: Correct logic of GPIO_LINE_DIRECTION | expand |
On Sun, Sep 20, 2020 at 10:34 PM Ed Wildgoose <lists@wildgooses.com> wrote: > > The original commit appears to have the logic reversed in > amd_fch_gpio_get_direction. Also confirmed by observing the value of > "direction" in the sys tree. > > Signed-off-by: Ed Wildgoose <lists@wildgooses.com> > --- > drivers/gpio/gpio-amd-fch.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpio/gpio-amd-fch.c b/drivers/gpio/gpio-amd-fch.c > index 4e44ba4d7..2a21354ed 100644 > --- a/drivers/gpio/gpio-amd-fch.c > +++ b/drivers/gpio/gpio-amd-fch.c > @@ -92,7 +92,7 @@ static int amd_fch_gpio_get_direction(struct gpio_chip *gc, unsigned int gpio) > ret = (readl_relaxed(ptr) & AMD_FCH_GPIO_FLAG_DIRECTION); > spin_unlock_irqrestore(&priv->lock, flags); > > - return ret ? GPIO_LINE_DIRECTION_IN : GPIO_LINE_DIRECTION_OUT; > + return ret ? GPIO_LINE_DIRECTION_OUT : GPIO_LINE_DIRECTION_IN; > } > > static void amd_fch_gpio_set(struct gpio_chip *gc, > -- > 2.26.2 > Can you add a Fixes tag with the original commit? Bartosz
diff --git a/drivers/gpio/gpio-amd-fch.c b/drivers/gpio/gpio-amd-fch.c index 4e44ba4d7..2a21354ed 100644 --- a/drivers/gpio/gpio-amd-fch.c +++ b/drivers/gpio/gpio-amd-fch.c @@ -92,7 +92,7 @@ static int amd_fch_gpio_get_direction(struct gpio_chip *gc, unsigned int gpio) ret = (readl_relaxed(ptr) & AMD_FCH_GPIO_FLAG_DIRECTION); spin_unlock_irqrestore(&priv->lock, flags); - return ret ? GPIO_LINE_DIRECTION_IN : GPIO_LINE_DIRECTION_OUT; + return ret ? GPIO_LINE_DIRECTION_OUT : GPIO_LINE_DIRECTION_IN; } static void amd_fch_gpio_set(struct gpio_chip *gc,
The original commit appears to have the logic reversed in amd_fch_gpio_get_direction. Also confirmed by observing the value of "direction" in the sys tree. Signed-off-by: Ed Wildgoose <lists@wildgooses.com> --- drivers/gpio/gpio-amd-fch.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)