Re: [PATCH v6 09/10] media: uvcvideo: Rename uvc_{un,}init_video()

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Hi Kieran,

Thank you for the patch.

On Friday, 9 November 2018 19:15:42 EET Kieran Bingham wrote:
> Hi Laurent,
> 
> I'm sorry - I didn't update the commit message on this one.
> 
> On 09/11/2018 17:05, Kieran Bingham wrote:
> > We have both uvc_init_video() and uvc_video_init() calls which can be
> > quite confusing to determine the process for each. Now that video
> > uvc_video_enable() has been renamed to uvc_video_start_streaming(),
> > adapt these calls to suit the new flow.
> > 
> > Rename uvc_init_video() to uvc_video_start() and uvc_uninit_video() to
> > uvc_video_stop().
> 
> Could you s/uvc_video_start/uvc_video_start_transfer/ and
> s/uvc_video_stop/uvc_video_stop_transfer/ when applying please?
> 
> (Assuming you get to apply and don't find something else :D)

Will do.

Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

> > Signed-off-by: Kieran Bingham <kieran.bingham@xxxxxxxxxxxxxxxx>
> > 
> > ---
> > 
> > v6:
> >  - Append _transfer to {_stop,_start}
> >  
> >  drivers/media/usb/uvc/uvc_video.c | 20 +++++++++++---------
> >  1 file changed, 11 insertions(+), 9 deletions(-)
> > 
> > diff --git a/drivers/media/usb/uvc/uvc_video.c
> > b/drivers/media/usb/uvc/uvc_video.c index cd67506dc696..a81012c65280
> > 100644
> > --- a/drivers/media/usb/uvc/uvc_video.c
> > +++ b/drivers/media/usb/uvc/uvc_video.c
> > @@ -1641,7 +1641,8 @@ static int uvc_alloc_urb_buffers(struct
> > uvc_streaming *stream,
> >  /*
> >   * Uninitialize isochronous/bulk URBs and free transfer buffers.
> >   */
> > -static void uvc_uninit_video(struct uvc_streaming *stream, int
> > free_buffers)
> > +static void uvc_video_stop_transfer(struct uvc_streaming *stream,
> > +				    int free_buffers)
> >  {
> >  	struct uvc_urb *uvc_urb;
> > 
> > @@ -1718,7 +1719,7 @@ static int uvc_init_video_isoc(struct uvc_streaming
> > *stream,
> > 
> >  		urb = usb_alloc_urb(npackets, gfp_flags);
> >  		if (urb == NULL) {
> > -			uvc_uninit_video(stream, 1);
> > +			uvc_video_stop_transfer(stream, 1);
> >  			return -ENOMEM;
> >  		}
> > 
> > @@ -1786,7 +1787,7 @@ static int uvc_init_video_bulk(struct uvc_streaming
> > *stream,
> > 
> >  		urb = usb_alloc_urb(0, gfp_flags);
> >  		if (urb == NULL) {
> > -			uvc_uninit_video(stream, 1);
> > +			uvc_video_stop_transfer(stream, 1);
> >  			return -ENOMEM;
> >  		}
> > 
> > @@ -1806,7 +1807,8 @@ static int uvc_init_video_bulk(struct uvc_streaming
> > *stream,
> >  /*
> >   * Initialize isochronous/bulk URBs and allocate transfer buffers.
> >   */
> > -static int uvc_init_video(struct uvc_streaming *stream, gfp_t gfp_flags)
> > +static int uvc_video_start_transfer(struct uvc_streaming *stream,
> > +				    gfp_t gfp_flags)
 >  {
> >  	struct usb_interface *intf = stream->intf;
> >  	struct usb_host_endpoint *ep;
> > @@ -1894,7 +1896,7 @@ static int uvc_init_video(struct uvc_streaming
> > *stream, gfp_t gfp_flags)
> > 
> >  		if (ret < 0) {
> >  			uvc_printk(KERN_ERR, "Failed to submit URB %u "
> >  					"(%d).\n", i, ret);
> > -			uvc_uninit_video(stream, 1);
> > +			uvc_video_stop_transfer(stream, 1);
> >  			return ret;
 >  		}
> >  	}
> > @@ -1925,7 +1927,7 @@ int uvc_video_suspend(struct uvc_streaming *stream)
> >  		return 0;
> >  	
> >  	stream->frozen = 1;
> > -	uvc_uninit_video(stream, 0);
> > +	uvc_video_stop_transfer(stream, 0);
> >  	usb_set_interface(stream->dev->udev, stream->intfnum, 0);
> >  	return 0;
> >  }
> > @@ -1961,7 +1963,7 @@ int uvc_video_resume(struct uvc_streaming *stream,
> > int reset)
> >  	
> >  	if (ret < 0)
> >  		return ret;
> > 
> > -	return uvc_init_video(stream, GFP_NOIO);
> > +	return uvc_video_start_transfer(stream, GFP_NOIO);
> >  }
> >  
> >  /* ----------------------------------------------------------------------
> > @@ -2089,7 +2091,7 @@ int uvc_video_start_streaming(struct uvc_streaming
> > *stream)
> >  	
> >  	if (ret < 0)
> >  		goto error_commit;
> > 
> > -	ret = uvc_init_video(stream, GFP_KERNEL);
> > +	ret = uvc_video_start_transfer(stream, GFP_KERNEL);
> >  	if (ret < 0)
> >  		goto error_video;
> > 
> > @@ -2105,7 +2107,7 @@ int uvc_video_start_streaming(struct uvc_streaming
> > *stream)
> > 
> >  int uvc_video_stop_streaming(struct uvc_streaming *stream)
> >  {
> > -	uvc_uninit_video(stream, 1);
> > +	uvc_video_stop_transfer(stream, 1);
> > 
> >  	if (stream->intf->num_altsetting > 1) {
> >  		usb_set_interface(stream->dev->udev,
> >  				  stream->intfnum, 0);

-- 
Regards,

Laurent Pinchart






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