From: Andy Shevchenko Date: Wed, 30 Sep 2020 14:20:12 +0000 (+0300) Subject: gpio: pca953x: Use bitmap API over implicit GCC extension X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=e09e200e07222467ef82367bff7cc6f44ad00397;p=linux.git gpio: pca953x: Use bitmap API over implicit GCC extension 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 Reviewed-by: Bartosz Golaszewski Link: https://lore.kernel.org/r/20200930142013.59247-1-andriy.shevchenko@linux.intel.com Signed-off-by: Linus Walleij --- diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c index 29342e5def82b..7f64e69485747 100644 --- a/drivers/gpio/gpio-pca953x.c +++ b/drivers/gpio/gpio-pca953x.c @@ -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);