* [PATCH 36/62] gpio: gpio-reg: Use new GPIO_LINE_DIRECTION
[not found] <cover.1572945884.git.matti.vaittinen@fi.rohmeurope.com>
@ 2019-11-05 10:29 ` Matti Vaittinen
0 siblings, 0 replies; only message in thread
From: Matti Vaittinen @ 2019-11-05 10:29 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-reg.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpio/gpio-reg.c b/drivers/gpio/gpio-reg.c
index fdc7a9d5b382..d35169bde25a 100644
--- a/drivers/gpio/gpio-reg.c
+++ b/drivers/gpio/gpio-reg.c
@@ -26,7 +26,8 @@ static int gpio_reg_get_direction(struct gpio_chip *gc, unsigned offset)
{
struct gpio_reg *r = to_gpio_reg(gc);
- return r->direction & BIT(offset) ? 1 : 0;
+ return r->direction & BIT(offset) ? GPIO_LINE_DIRECTION_IN :
+ GPIO_LINE_DIRECTION_OUT;
}
static int gpio_reg_direction_output(struct gpio_chip *gc, unsigned offset,
--
2.21.0
--
Matti Vaittinen, Linux device drivers
ROHM Semiconductors, Finland SWDC
Kiviharjunlenkki 1E
90220 OULU
FINLAND
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Simon says - in Latin please.
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Thanks to Simon Glass for the translation =]
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[not found] <cover.1572945884.git.matti.vaittinen@fi.rohmeurope.com>
2019-11-05 10:29 ` [PATCH 36/62] gpio: gpio-reg: Use new GPIO_LINE_DIRECTION Matti Vaittinen
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