[PATCH v1 1/2] gpio: pca953x: Use bitmap API over implicit GCC extension

[Andy Shevchenko <andriy.shevchenko@linux.intel.com>]

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>
---
 drivers/gpio/gpio-pca953x.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index 0a49ab62cbbd..3f24cfabb1d7 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);
-- 
2.28.0