From: Johan Hovold <johan@hovoldconsulting.com>
Date: Tue, 26 May 2015 13:29:22 +0000 (+0200)
Subject: greybus: gpio: use irq-domain lookups
X-Git-Tag: v4.9-rc1~119^2~378^2~21^2~1518^2~3
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=ec762115a5006db8549b3582f7f19849f7cf4ab4;p=karo-tx-linux.git

greybus: gpio: use irq-domain lookups

Use irq_find_mapping directly rather than go through the legacy gpio
interface.

Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
---

diff --git a/drivers/staging/greybus/gpio.c b/drivers/staging/greybus/gpio.c
index 526dd7e73a2f..15cc0ea4e3a5 100644
--- a/drivers/staging/greybus/gpio.c
+++ b/drivers/staging/greybus/gpio.c
@@ -303,9 +303,9 @@ static int gb_gpio_request_recv(u8 type, struct gb_operation *op)
 		return -EINVAL;
 	}
 
-	irq = gpio_to_irq(ggc->chip.base + event->which);
-	if (irq < 0) {
-		dev_err(ggc->chip.dev, "failed to map irq\n");
+	irq = irq_find_mapping(ggc->irqdomain, event->which);
+	if (!irq) {
+		dev_err(ggc->chip.dev, "failed to find IRQ\n");
 		return -EINVAL;
 	}
 	desc = irq_to_desc(irq);