Re: [PATCH v2] USB: Gadget: fsl driver pullup fix

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On Fri, Mar 21, 2014 at 01:57:18AM +0530, Suresh Gupta wrote:
> This fix the fsl usb gadget driver in a way that the usb device
> will be only "pulled up" on requests only when vbus is powered
> 
> Signed-off-by: Suresh Gupta <suresh.gupta@xxxxxxxxxxxxx>
> ---
> Changes from previous version:
> * Removed re-factored code, Will send another patch for re-factoring
>   duplicated code
> * Changed Description 
> 
>  drivers/usb/gadget/fsl_udc_core.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c
> index 35cb972..49d66779 100644
> --- a/drivers/usb/gadget/fsl_udc_core.c
> +++ b/drivers/usb/gadget/fsl_udc_core.c
> @@ -1219,6 +1219,10 @@ static int fsl_pullup(struct usb_gadget *gadget, int is_on)
>  	struct fsl_udc *udc;
>  
>  	udc = container_of(gadget, struct fsl_udc, gadget);
> +
> +	if(!udc->vbus_active)
> +		return -EOPNOTSUPP;

Always run your patches through scripts/checkpatch.pl so they don't get
rejected for silly things like the wrong coding style...
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