This simplifies and standardizes the AB IRQ handler by using
the for_each_set_bit() library function.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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;
}