linux-kernel - [PATCH 12/12] USB: gadget/at91_udc: add gpio_to

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Message-Id: <041833f4078b6c28cf8a286fad8982bfae18f4b8.1334567594.git.nicolas.ferre@atmel.com>
Date:	Mon, 16 Apr 2012 11:20:56 +0200
From:	Nicolas Ferre <nicolas.ferre@...el.com>
To:	linux-arm-kernel@...ts.infradead.org, arnd@...db.de, olof@...om.net
Cc:	plagnioj@...osoft.com, ludovic.desroches@...el.com,
	linux-kernel@...r.kernel.org,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	Felipe Balbi <balbi@...com>, linux-usb@...r.kernel.org
Subject: [PATCH 12/12] USB: gadget/at91_udc: add gpio_to_irq() function to vbus interrupt

Now that we are using irqdomains, we need to convert GPIO pins to Linux
IRQ numbers using the gpio_to_irq() function.
This call is added to request/free_irq calls.

Signed-off-by: Nicolas Ferre <nicolas.ferre@...el.com>
Cc: Felipe Balbi <balbi@...com>
Cc: linux-usb@...r.kernel.org
---
 drivers/usb/gadget/at91_udc.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index 0c935d7..9d7bcd9 100644
--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -1863,8 +1863,8 @@ static int __devinit at91udc_probe(struct platform_device *pdev)
 			mod_timer(&udc->vbus_timer,
 				  jiffies + VBUS_POLL_TIMEOUT);
 		} else {
-			if (request_irq(udc->board.vbus_pin, at91_vbus_irq,
-					0, driver_name, udc)) {
+			if (request_irq(gpio_to_irq(udc->board.vbus_pin),
+					at91_vbus_irq, 0, driver_name, udc)) {
 				DBG("request vbus irq %d failed\n",
 				    udc->board.vbus_pin);
 				retval = -EBUSY;
@@ -1886,7 +1886,7 @@ static int __devinit at91udc_probe(struct platform_device *pdev)
 	return 0;
 fail4:
 	if (gpio_is_valid(udc->board.vbus_pin) && !udc->board.vbus_polled)
-		free_irq(udc->board.vbus_pin, udc);
+		free_irq(gpio_to_irq(udc->board.vbus_pin), udc);
 fail3:
 	if (gpio_is_valid(udc->board.vbus_pin))
 		gpio_free(udc->board.vbus_pin);
@@ -1924,7 +1924,7 @@ static int __exit at91udc_remove(struct platform_device *pdev)
 	device_init_wakeup(&pdev->dev, 0);
 	remove_debug_file(udc);
 	if (gpio_is_valid(udc->board.vbus_pin)) {
-		free_irq(udc->board.vbus_pin, udc);
+		free_irq(gpio_to_irq(udc->board.vbus_pin), udc);
 		gpio_free(udc->board.vbus_pin);
 	}
 	free_irq(udc->udp_irq, udc);
-- 
1.7.10

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