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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2020-09-30 17:20:12 +0300
committerLinus Walleij <linus.walleij@linaro.org>2020-10-01 11:00:17 +0300
commite09e200e07222467ef82367bff7cc6f44ad00397 (patch)
tree07a41fdc1f9546fd8dd9f3e4354875db6c5a228b /drivers/gpio
parent17479aa39fbf65ad1502368437875e537c2f8139 (diff)
downloadlinux-e09e200e07222467ef82367bff7cc6f44ad00397.tar.xz
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 <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>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpio-pca953x.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index 29342e5def82..7f64e6948574 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);