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gpio: pca953x: Use bitmap API over implicit GCC extension

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In IRQ handler we have to clear bitmap before use. Currently
the GCC extension has been used for that. For sake of the consistency
switch to bitmap API. As expected bloat-o-meter shows no difference
in the object size.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Link: https://lore.kernel.org/r/20200930142013.59247-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Andy Shevchenko 2020-09-30 17:20:12 +03:00 committed by Linus Walleij
parent 17479aa39f
commit e09e200e07
1 changed files with 3 additions and 1 deletions
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4
drivers/gpio/gpio-pca953x.c
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@ -814,10 +814,12 @@ static irqreturn_t pca953x_irq_handler(int irq, void *devid)
{
struct pca953x_chip *chip = devid;
struct gpio_chip *gc = &chip->gpio_chip;
DECLARE_BITMAP(pending, MAX_LINE) = {};
DECLARE_BITMAP(pending, MAX_LINE);
int level;
bool ret;
bitmap_zero(pending, MAX_LINE);
mutex_lock(&chip->i2c_lock);
ret = pca953x_irq_pending(chip, pending);
mutex_unlock(&chip->i2c_lock);