Re: [PATCH 1/2] usb/at91udc: don't overwrite driver data

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On Thu, Jul 19, 2012 at 7:10 PM, Sebastian Andrzej Siewior
<bigeasy@xxxxxxxxxxxxx> wrote:
> The driver was converted to the new start/stop interface in f3d8bf34c2
> ("usb: gadget: at91_udc: convert to new style start/stop interface").
> I overlooked that the driver is overwritting the private data which is
> used by the composite framework. The udc driver doesn't read it, it is
> only writen here
>
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
> ---
>  drivers/usb/gadget/at91_udc.c |    2 --
>  1 file changed, 2 deletions(-)
>
> diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
> index 1a4430f..5fd61e2 100644
> --- a/drivers/usb/gadget/at91_udc.c
> +++ b/drivers/usb/gadget/at91_udc.c
> @@ -1634,7 +1634,6 @@ static int at91_start(struct usb_gadget *gadget,
>         udc = container_of(gadget, struct at91_udc, gadget);
>         udc->driver = driver;
>         udc->gadget.dev.driver = &driver->driver;
> -       dev_set_drvdata(&udc->gadget.dev, &driver->driver);
>         udc->enabled = 1;
>         udc->selfpowered = 1;
>
> @@ -1655,7 +1654,6 @@ static int at91_stop(struct usb_gadget *gadget,
>         spin_unlock_irqrestore(&udc->lock, flags);
>
>         udc->gadget.dev.driver = NULL;
> -       dev_set_drvdata(&udc->gadget.dev, NULL);
>         udc->driver = NULL;
>
>         DBG("unbound from %s\n", driver->driver.name);
> --
> 1.7.10.4
>

Now the driver works fine.

Tested-by: Fabio Porcedda <fabio.porcedda@xxxxxxxxx>

Regards
-- 
Fabio Porcedda
--
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