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* [PATCH 57/62] gpio: gpio-xgene: Use new GPIO_LINE_DIRECTION
       [not found] <cover.1572946004.git.matti.vaittinen@fi.rohmeurope.com>
@ 2019-11-05 10:38 ` Matti Vaittinen
  0 siblings, 0 replies; only message in thread
From: Matti Vaittinen @ 2019-11-05 10:38 UTC (permalink / raw)
  To: matti.vaittinen, mazziesaccount
  Cc: Linus Walleij, Bartosz Golaszewski, linux-gpio, linux-kernel

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-xgene.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-xgene.c b/drivers/gpio/gpio-xgene.c
index 2918363884de..c03ab83e5464 100644
--- a/drivers/gpio/gpio-xgene.c
+++ b/drivers/gpio/gpio-xgene.c
@@ -80,7 +80,10 @@ static int xgene_gpio_get_direction(struct gpio_chip *gc, unsigned int offset)
 	bank_offset = GPIO_SET_DR_OFFSET + GPIO_BANK_OFFSET(offset);
 	bit_offset = GPIO_BIT_OFFSET(offset);
 
-	return !!(ioread32(chip->base + bank_offset) & BIT(bit_offset));
+	if (ioread32(chip->base + bank_offset) & BIT(bit_offset))
+		return GPIO_LINE_DIRECTION_IN;
+
+	return GPIO_LINE_DIRECTION_OUT;
 }
 
 static int xgene_gpio_dir_in(struct gpio_chip *gc, 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 =] 

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2019-11-05 10:38 ` [PATCH 57/62] gpio: gpio-xgene: Use new GPIO_LINE_DIRECTION Matti Vaittinen

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