[PATCH 23/62] gpio: gpio-merrifield: Use new GPIO_LINE_DIRECTION

[Matti Vaittinen <matti.vaittinen@xxxxxxxxxxxxxxxxx>]

It's hard for occasional GPIO code reader/writer to know if values 0/1
equal to IN or OUT. Use defined GPIO_LINE_DIRECTION_IN and
GPIO_LINE_DIRECTION_OUT to help them out.

Signed-off-by: Matti Vaittinen <matti.vaittinen@xxxxxxxxxxxxxxxxx>
---
 drivers/gpio/gpio-merrifield.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-merrifield.c b/drivers/gpio/gpio-merrifield.c
index 2f1e9da81c1e..d4fa6e9560f3 100644
--- a/drivers/gpio/gpio-merrifield.c
+++ b/drivers/gpio/gpio-merrifield.c
@@ -162,7 +162,10 @@ static int mrfld_gpio_get_direction(struct gpio_chip *chip, unsigned int offset)
 {
 	void __iomem *gpdr = gpio_reg(chip, offset, GPDR);
 
-	return !(readl(gpdr) & BIT(offset % 32));
+	if (readl(gpdr) & BIT(offset % 32))
+		return GPIO_LINE_DIRECTION_OUT;
+
+	return GPIO_LINE_DIRECTION_IN;
 }
 
 static int mrfld_gpio_set_debounce(struct gpio_chip *chip, unsigned int offset,
-- 
2.21.0


-- 
Matti Vaittinen, Linux device drivers
ROHM Semiconductors, Finland SWDC
Kiviharjunlenkki 1E
90220 OULU
FINLAND

~~~ "I don't think so," said Rene Descartes. Just then he vanished ~~~
Simon says - in Latin please.
~~~ "non cogito me" dixit Rene Descarte, deinde evanescavit ~~~
Thanks to Simon Glass for the translation =]