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

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Message-ID: <20120416092246.GH30878@arwen.pp.htv.fi>
Date:	Mon, 16 Apr 2012 12:22:47 +0300
From:	Felipe Balbi <balbi@...com>
To:	Nicolas Ferre <nicolas.ferre@...el.com>
Cc:	linux-arm-kernel@...ts.infradead.org, arnd@...db.de,
	olof@...om.net, plagnioj@...osoft.com, ludovic.desroches@...el.com,
	linux-kernel@...r.kernel.org, Felipe Balbi <balbi@...com>,
	linux-usb@...r.kernel.org
Subject: Re: [PATCH 12/12] USB: gadget/at91_udc: add gpio_to_irq() function
 to vbus interrupt

On Mon, Apr 16, 2012 at 11:20:56AM +0200, Nicolas Ferre wrote:
> 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

Please carry on with your series, patches looks fine.

Acked-by: Felipe Balbi <balbi@...com>

> ---
>  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
> 

-- 
balbi

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