[PATCH] gpio: gpio-amd-fch: Correct logic of GPIO_LINE_DIRECTION

From: Ed Wildgoose
Date: Mon Sep 28 2020 - 05:45:32 EST


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@xxxxxxxxxxxxxx>
Fixes: e09d168f13f0 ("gpio: AMD G-Series PCH gpio driver")
---
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