* [PATCH 43/62] gpio: gpio-tegra186: Use new GPIO_LINE_DIRECTION
[not found] <cover.1572945959.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-tegra186.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpio/gpio-tegra186.c b/drivers/gpio/gpio-tegra186.c
index a9058fda187e..e0598d58b81b 100644
--- a/drivers/gpio/gpio-tegra186.c
+++ b/drivers/gpio/gpio-tegra186.c
@@ -110,9 +110,9 @@ static int tegra186_gpio_get_direction(struct gpio_chip *chip,
value = readl(base + TEGRA186_GPIO_ENABLE_CONFIG);
if (value & TEGRA186_GPIO_ENABLE_CONFIG_OUT)
- return 0;
+ return GPIO_LINE_DIRECTION_OUT;
- return 1;
+ return GPIO_LINE_DIRECTION_IN;
}
static int tegra186_gpio_direction_input(struct gpio_chip *chip,
--
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 10:32 ` [PATCH 43/62] gpio: gpio-tegra186: Use new GPIO_LINE_DIRECTION Matti Vaittinen
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