gpio: crystalcove: Use for_each_set_bit() in IRQ handler (fcce88d9) · Commits · 戴 / test

This simplifies and standardizes the AB IRQ handler by using the for_each_set_bit() library function. Signed-off-by:

drivers/gpio/gpio-crystalcove.c

+4 −6

Original line number	Diff line number	Diff line
		@@ -279,8 +279,8 @@ static struct irq_chip crystalcove_irqchip = {
		static irqreturn_t crystalcove_gpio_irq_handler(int irq, void *data)
		{
		struct crystalcove_gpio *cg = data;
		unsigned long pending;
		unsigned int p0, p1;
		int pending;
		int gpio;
		unsigned int virq;

		@@ -293,12 +293,10 @@ static irqreturn_t crystalcove_gpio_irq_handler(int irq, void *data)

		pending = p0 \| p1 << 8;

		for (gpio = 0; gpio < CRYSTALCOVE_GPIO_NUM; gpio++) {
		if (pending & BIT(gpio)) {
		for_each_set_bit(gpio, &pending, CRYSTALCOVE_GPIO_NUM) {
		virq = irq_find_mapping(cg->chip.irq.domain, gpio);
		handle_nested_irq(virq);
		}
		}

		return IRQ_HANDLED;
		}