[1/4] pinctrl/nomadik: use irq_find_mapping()

Commit Message

Linus Walleij Sept. 27, 2012, 1:13 p.m. UTC

From: Linus Walleij <[e-mail]>

The code was using a homegrown method of looking up the offset
from the irq domain, not to be encouraged. Use the proper
irq_find_mapping() call instead.

Cc: Lee Jones <[e-mail]>
Cc: Rob Herring <[e-mail]>
Signed-off-by: Linus Walleij <[e-mail]>
---
 drivers/pinctrl/pinctrl-nomadik.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

Patch

diff --git a/drivers/pinctrl/pinctrl-nomadik.c b/drivers/pinctrl/pinctrl-nomadik.c
index 3dde653..e031c84 100644
--- a/drivers/pinctrl/pinctrl-nomadik.c
+++ b/drivers/pinctrl/pinctrl-nomadik.c
@@ -826,16 +826,14 @@  static void __nmk_gpio_irq_handler(unsigned int irq, struct irq_desc *desc,
 {
 	struct nmk_gpio_chip *nmk_chip;
 	struct irq_chip *host_chip = irq_get_chip(irq);
-	unsigned int first_irq;
 
 	chained_irq_enter(host_chip, desc);
 
 	nmk_chip = irq_get_handler_data(irq);
-	first_irq = nmk_chip->domain->revmap_data.legacy.first_irq;
 	while (status) {
 		int bit = __ffs(status);
 
-		generic_handle_irq(first_irq + bit);
+		generic_handle_irq(irq_find_mapping(nmk_chip->domain, bit));
 		status &= ~BIT(bit);
 	}