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authorMatti Vaittinen <[email protected]>2019-11-06 08:54:12 +0000
committerLinus Walleij <[email protected]>2019-11-07 08:27:48 +0000
commite42615ec233b30dfaf117b108d4cb49455b4df1d (patch)
treee3d05700c2310d6bde433b268fed6284a4eec5b1 /drivers/gpio/gpio-tegra186.c
parentgpio: Add definition for GPIO direction (diff)
downloadkernel-e42615ec233b30dfaf117b108d4cb49455b4df1d.tar.gz
kernel-e42615ec233b30dfaf117b108d4cb49455b4df1d.zip
gpio: Use new GPIO_LINE_DIRECTION
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. NOTE - for gpio-amd-fch and gpio-bd9571mwv: This commit also changes the return value for direction get to equal 1 for direction INPUT. Prior this commit these drivers might have returned some other positive value but 1 for INPUT. Signed-off-by: Matti Vaittinen <[email protected]> Acked-by: Scott Branden <[email protected]> Reviewed-by: Grygorii Strashko <[email protected]> Reviewed-by: Michal Simek <[email protected]> Reviewed-by: Geert Uytterhoeven <[email protected]> Acked-by: Andy Shevchenko <[email protected]> Acked-by: William Breathitt Gray <[email protected]> Acked-by: Kuppuswamy Sathyanarayanan <[email protected]> Signed-off-by: Linus Walleij <[email protected]>
Diffstat (limited to 'drivers/gpio/gpio-tegra186.c')
-rw-r--r--drivers/gpio/gpio-tegra186.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpio/gpio-tegra186.c b/drivers/gpio/gpio-tegra186.c
index 8a2a69178925..57185b96c110 100644
--- a/drivers/gpio/gpio-tegra186.c
+++ b/drivers/gpio/gpio-tegra186.c
@@ -111,9 +111,9 @@ 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,