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path: root/drivers/gpio/gpio-dwapb.c
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Diffstat (limited to 'drivers/gpio/gpio-dwapb.c')
-rw-r--r--drivers/gpio/gpio-dwapb.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c
index c1b6d4f7307e..e89a3c6877aa 100644
--- a/drivers/gpio/gpio-dwapb.c
+++ b/drivers/gpio/gpio-dwapb.c
@@ -193,22 +193,21 @@ static void dwapb_toggle_trigger(struct dwapb_gpio *gpio, unsigned int offs)
static u32 dwapb_do_irq(struct dwapb_gpio *gpio)
{
- u32 irq_status = dwapb_read(gpio, GPIO_INTSTATUS);
- u32 ret = irq_status;
+ unsigned long irq_status;
+ int hwirq;
- while (irq_status) {
- int hwirq = fls(irq_status) - 1;
+ irq_status = dwapb_read(gpio, GPIO_INTSTATUS);
+ for_each_set_bit(hwirq, &irq_status, 32) {
int gpio_irq = irq_find_mapping(gpio->domain, hwirq);
+ u32 irq_type = irq_get_trigger_type(gpio_irq);
generic_handle_irq(gpio_irq);
- irq_status &= ~BIT(hwirq);
- if ((irq_get_trigger_type(gpio_irq) & IRQ_TYPE_SENSE_MASK)
- == IRQ_TYPE_EDGE_BOTH)
+ if ((irq_type & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_EDGE_BOTH)
dwapb_toggle_trigger(gpio, hwirq);
}
- return ret;
+ return irq_status;
}
static void dwapb_irq_handler(struct irq_desc *desc)