According to irq_linear_revmap() comment, it is slightly faster compared
to irq_find_mapping() since we don't use a radix tree but a linear
mapping.
Signed-off-by: Sebastian Andrzej Siewior <bige...@linutronix.de>
---
drivers/gpio/gpio-dwapb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c
index 4d25a06b..541b893 100644
--- a/drivers/gpio/gpio-dwapb.c
+++ b/drivers/gpio/gpio-dwapb.c
@@ -92,7 +92,7 @@ static void dwapb_irq_handler(u32 irq, struct irq_desc *desc)
while (irq_status) {
int hwirq = fls(irq_status) - 1;
- int gpio_irq = irq_find_mapping(gpio->domain, hwirq);
+ int gpio_irq = irq_linear_revmap(gpio->domain, hwirq);
generic_handle_irq(gpio_irq);
irq_status &= ~BIT(hwirq);
--
1.9.1
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