Hi Mauro On 10/04/17 11:42, Mauro Carvalho Chehab wrote: > This is an automatic generated email to let you know that the following patch were queued: > > Subject: [media] uvcvideo: Don't record timespec_sub In my submission, this subject line was "uvcvideo: Don't recode timespec_sub" I don't believe we are 'recording' timespec_sub. I suspect it is too late to fix now. -- Regards Kieran > Author: Kieran Bingham <kieran.bingham@xxxxxxxxxxxxxxxx> > Date: Mon Apr 3 08:25:31 2017 -0300 > > The statistics function subtracts two timespecs manually. A helper is > provided by the kernel to do this. > > Replace the implementation, using the helper. > > Signed-off-by: Kieran Bingham <kieran.bingham@xxxxxxxxxxxxxxxx> > Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxxx> > > drivers/media/usb/uvc/uvc_video.c | 10 ++-------- > 1 file changed, 2 insertions(+), 8 deletions(-) > > --- > > diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c > index 128c0a7826ce..47d93a938dde 100644 > --- a/drivers/media/usb/uvc/uvc_video.c > +++ b/drivers/media/usb/uvc/uvc_video.c > @@ -868,14 +868,8 @@ size_t uvc_video_stats_dump(struct uvc_streaming *stream, char *buf, > struct timespec ts; > size_t count = 0; > > - ts.tv_sec = stream->stats.stream.stop_ts.tv_sec > - - stream->stats.stream.start_ts.tv_sec; > - ts.tv_nsec = stream->stats.stream.stop_ts.tv_nsec > - - stream->stats.stream.start_ts.tv_nsec; > - if (ts.tv_nsec < 0) { > - ts.tv_sec--; > - ts.tv_nsec += 1000000000; > - } > + ts = timespec_sub(stream->stats.stream.stop_ts, > + stream->stats.stream.start_ts); > > /* Compute the SCR.SOF frequency estimate. At the nominal 1kHz SOF > * frequency this will not overflow before more than 1h. >