[37/62] gpio: gpio-sama5d2-piobu: Use new GPIO_LINE_DIRECTION
diff mbox series

Message ID 4e20b399f7ef56a7df25f97a86b4e89e131083d0.1572945890.git.matti.vaittinen@fi.rohmeurope.com
State New
Headers show
Series
  • Untitled series #140701
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Commit Message

Vaittinen, Matti Nov. 5, 2019, 10:29 a.m. UTC
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@fi.rohmeurope.com>
---
 drivers/gpio/gpio-sama5d2-piobu.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

Patch
diff mbox series

diff --git a/drivers/gpio/gpio-sama5d2-piobu.c b/drivers/gpio/gpio-sama5d2-piobu.c
index 7d718557092e..b04c561f3280 100644
--- a/drivers/gpio/gpio-sama5d2-piobu.c
+++ b/drivers/gpio/gpio-sama5d2-piobu.c
@@ -119,7 +119,8 @@  static int sama5d2_piobu_get_direction(struct gpio_chip *chip,
 	if (ret < 0)
 		return ret;
 
-	return (ret == PIOBU_IN) ? 1 : 0;
+	return (ret == PIOBU_IN) ? GPIO_LINE_DIRECTION_IN :
+				   GPIO_LINE_DIRECTION_OUT;
 }
 
 /**
@@ -154,9 +155,9 @@  static int sama5d2_piobu_get(struct gpio_chip *chip, unsigned int pin)
 	/* if pin is input, read value from PDS else read from SOD */
 	int ret = sama5d2_piobu_get_direction(chip, pin);
 
-	if (ret == 1)
+	if (ret == GPIO_LINE_DIRECTION_IN)
 		ret = sama5d2_piobu_read_value(chip, pin, PIOBU_PDS);
-	else if (!ret)
+	else if (ret == GPIO_LINE_DIRECTION_OUT)
 		ret = sama5d2_piobu_read_value(chip, pin, PIOBU_SOD);
 
 	if (ret < 0)