summaryrefslogtreecommitdiffstats
path: root/drivers/gpio/gpio-rcar.c
diff options
context:
space:
mode:
authorThomas Gleixner <tglx@linutronix.de>2013-07-12 12:34:42 +0200
committerThomas Gleixner <tglx@linutronix.de>2013-07-12 12:34:42 +0200
commitf2006e27396f55276f24434f56e208d86e7f9908 (patch)
tree71896db916d33888b4286f80117d3cac0da40e6d /drivers/gpio/gpio-rcar.c
parente399eb56a6110e13f97e644658648602e2b08de7 (diff)
parent9903883f1dd6e86f286b7bfa6e4b423f98c1cd9e (diff)
Merge branch 'linus' into timers/urgent
Get upstream changes so we can apply fixes against them Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/gpio/gpio-rcar.c')
-rw-r--r--drivers/gpio/gpio-rcar.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c
index 6ec82f76f01..e8198dd6861 100644
--- a/drivers/gpio/gpio-rcar.c
+++ b/drivers/gpio/gpio-rcar.c
@@ -232,7 +232,14 @@ static int gpio_rcar_direction_input(struct gpio_chip *chip, unsigned offset)
static int gpio_rcar_get(struct gpio_chip *chip, unsigned offset)
{
- return (int)(gpio_rcar_read(gpio_to_priv(chip), INDT) & BIT(offset));
+ u32 bit = BIT(offset);
+
+ /* testing on r8a7790 shows that INDT does not show correct pin state
+ * when configured as output, so use OUTDT in case of output pins */
+ if (gpio_rcar_read(gpio_to_priv(chip), INOUTSEL) & bit)
+ return (int)(gpio_rcar_read(gpio_to_priv(chip), OUTDT) & bit);
+ else
+ return (int)(gpio_rcar_read(gpio_to_priv(chip), INDT) & bit);
}
static void gpio_rcar_set(struct gpio_chip *chip, unsigned offset, int value)