[PATCH 44/62] gpio: gpio-tegra: Use new GPIO_LINE_DIRECTION

* [PATCH 44/62] gpio: gpio-tegra: Use new GPIO_LINE_DIRECTION
       [not found] <cover.1572945965.git.matti.vaittinen@fi.rohmeurope.com>
@ 2019-11-05 10:32 ` Matti Vaittinen
  0 siblings, 0 replies; only message in thread
From: Matti Vaittinen @ 2019-11-05 10:32 UTC (permalink / raw)
  To: matti.vaittinen, mazziesaccount
  Cc: Linus Walleij, Bartosz Golaszewski, Thierry Reding,
	Jonathan Hunter, linux-gpio, linux-tegra, 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-tegra.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c
index 8a01d3694b28..6fdfe4c5303e 100644
--- a/drivers/gpio/gpio-tegra.c
+++ b/drivers/gpio/gpio-tegra.c
@@ -215,7 +215,10 @@ static int tegra_gpio_get_direction(struct gpio_chip *chip,
 
 	oe = tegra_gpio_readl(tgi, GPIO_OE(tgi, offset));
 
-	return !(oe & pin_mask);
+	if (oe & pin_mask)
+		return GPIO_LINE_DIRECTION_OUT;
+
+	return GPIO_LINE_DIRECTION_IN;
 }
 
 static int tegra_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 =] 

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