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gpio: 74xx-mmio: Check MMIO_74XX_DIR_IN flag in mmio_74xx_dir_in()

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It's logically better to check the IN in ->direction_input() and
_OUT in ->direction_output().

While at it, replace ternary with plain if-conditional for the sake
of consistency with mmio_74xx_dir_out().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
This commit is contained in:
Andy Shevchenko 2022-07-19 01:02:51 +03:00 • committed by Bartosz Golaszewski
parent 10fcd2f180
commit d3054ba1db
1 changed files with 4 additions and 1 deletions
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5
drivers/gpio/gpio-74xx-mmio.c
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@ -88,7 +88,10 @@ static int mmio_74xx_dir_in(struct gpio_chip *gc, unsigned int gpio)
{
struct mmio_74xx_gpio_priv *priv = gpiochip_get_data(gc);
return (priv->flags & MMIO_74XX_DIR_OUT) ? -ENOTSUPP : 0;
if (priv->flags & MMIO_74XX_DIR_IN)
return 0;
return -ENOTSUPP;
}
static int mmio_74xx_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)