Re: [PATCH 28/62] gpio: gpio-omap: Use new GPIO_LINE_DIRECTION
From: Grygorii Strashko
Date: Tue Nov 05 2019 - 06:27:17 EST
On 05/11/2019 12:25, Matti Vaittinen wrote:
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@xxxxxxxxxxxxxxxxx>
---
drivers/gpio/gpio-omap.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index d0f27084a942..3bd8adaeed9e 100644
--- a/drivers/gpio/gpio-omap.c
+++ b/drivers/gpio/gpio-omap.c
@@ -805,8 +805,10 @@ static int omap_gpio_get_direction(struct gpio_chip *chip, unsigned offset)
{
struct gpio_bank *bank = gpiochip_get_data(chip);
- return !!(readl_relaxed(bank->base + bank->regs->direction) &
- BIT(offset));
+ if (readl_relaxed(bank->base + bank->regs->direction) & BIT(offset))
+ return GPIO_LINE_DIRECTION_IN;
+
+ return GPIO_LINE_DIRECTION_OUT;
}
static int omap_gpio_input(struct gpio_chip *chip, unsigned offset)
Reviewed-by: Grygorii Strashko <grygorii.strashko@xxxxxx>
--
Best regards,
grygorii