gpio: sodaville: Use for_each_set_bit() in IRQ handler (f3af44f0) · Commits · 戴 / test

drivers/gpio/gpio-sodaville.c

+3 −6

Original line number	Diff line number	Diff line
		@@ -80,18 +80,15 @@ static int sdv_gpio_pub_set_type(struct irq_data *d, unsigned int type)
		static irqreturn_t sdv_gpio_pub_irq_handler(int irq, void *data)
		{
		struct sdv_gpio_chip_data *sd = data;
		u32 irq_stat = readl(sd->gpio_pub_base + GPSTR);
		unsigned long irq_stat = readl(sd->gpio_pub_base + GPSTR);
		int irq_bit;

		irq_stat &= readl(sd->gpio_pub_base + GPIO_INT);
		if (!irq_stat)
		return IRQ_NONE;

		while (irq_stat) {
		u32 irq_bit = __fls(irq_stat);

		irq_stat &= ~BIT(irq_bit);
		for_each_set_bit(irq_bit, &irq_stat, 32)
		generic_handle_irq(irq_find_mapping(sd->id, irq_bit));
		}

		return IRQ_HANDLED;
		}