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gpio: altera-a10sr: Trivial coding style fix

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Change the coding style to make it does error checking first.
This also fixes checkpatch warning about line over 80 characters.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Tested by: Thor Thayer <thor.thayer@linux.intel.com>
Reviewed by: Thor Thayer <thor.thayer@linux.intel.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
This commit is contained in:
Axel Lin 2019-01-23 08:00:58 +08:00 committed by Bartosz Golaszewski
parent 6911845227
commit 68b7587baa
1 changed files with 9 additions and 8 deletions
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17
drivers/gpio/gpio-altera-a10sr.c
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@ -58,19 +58,20 @@ static void altr_a10sr_gpio_set(struct gpio_chip *chip, unsigned int offset,
static int altr_a10sr_gpio_direction_input(struct gpio_chip *gc,
unsigned int nr)
{
if (nr >= (ALTR_A10SR_IN_VALID_RANGE_LO - ALTR_A10SR_LED_VALID_SHIFT))
return 0;
return -EINVAL;
if (nr < (ALTR_A10SR_IN_VALID_RANGE_LO - ALTR_A10SR_LED_VALID_SHIFT))
return -EINVAL;
return 0;
}
static int altr_a10sr_gpio_direction_output(struct gpio_chip *gc,
unsigned int nr, int value)
{
if (nr <= (ALTR_A10SR_OUT_VALID_RANGE_HI - ALTR_A10SR_LED_VALID_SHIFT)) {
altr_a10sr_gpio_set(gc, nr, value);
return 0;
}
return -EINVAL;
if (nr > (ALTR_A10SR_OUT_VALID_RANGE_HI - ALTR_A10SR_LED_VALID_SHIFT))
return -EINVAL;
altr_a10sr_gpio_set(gc, nr, value);
return 0;
}
static const struct gpio_chip altr_a10sr_gc = {