[PATCH v3 12/12] media: staging: rkisp1: cap: protect access to buf with the spin lock

Mauro Carvalho Chehab mchehab at kernel.org
Sun Sep 27 07:05:28 EDT 2020


Em Sun, 27 Sep 2020 11:54:10 +0200
Dafna Hirschfeld <dafna.hirschfeld at collabora.com> escreveu:

> Am 27.09.20 um 11:43 schrieb Mauro Carvalho Chehab:
> > Em Tue, 22 Sep 2020 13:34:02 +0200
> > Dafna Hirschfeld <dafna.hirschfeld at collabora.com> escreveu:
> >   
> >> The function 'rkisp1_stream_start' calls 'rkisp1_set_next_buf'
> >> which access the buffers, so the call should be protected by
> >> taking the cap->buf.lock.
> >> After this patch, all locks are reviewed and commented so remove
> >> the TODO item "review and comment every lock"
> >>
> >> Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld at collabora.com>
> >> ---
> >>   drivers/staging/media/rkisp1/TODO             | 1 -
> >>   drivers/staging/media/rkisp1/rkisp1-capture.c | 2 ++
> >>   2 files changed, 2 insertions(+), 1 deletion(-)
> >>
> >> diff --git a/drivers/staging/media/rkisp1/TODO b/drivers/staging/media/rkisp1/TODO
> >> index f0c90d1c86a8..9662e9b51c7f 100644
> >> --- a/drivers/staging/media/rkisp1/TODO
> >> +++ b/drivers/staging/media/rkisp1/TODO
> >> @@ -1,6 +1,5 @@
> >>   * Fix pad format size for statistics and parameters entities.
> >>   * Fix checkpatch errors.
> >> -* Review and comment every lock
> >>   * Handle quantization
> >>   * streaming paths (mainpath and selfpath) check if the other path is streaming
> >>   in several places of the code, review this, specially that it doesn't seem it  
> > 
> > 
> > FYI,
> > 
> > There was a trivial context conflict here. Basically, the upstream
> > version has this:
> > 
> > 
> > 	 * Add uapi docs. Remember to add documentation of how quantization is handled.
> > 
> > I solved the conflict, but as some patches for rkisp1 got merged
> > on a different pull request, and there were some uapi docs at the
> > other PR, maybe this would need to be revisited.  
> 
> I added the "Configuring Quantization" documentation in Documentation/admin-guide/media/rkisp1.rst
> so the TODO item
> "* Add uapi docs. Remember to add documentation of how quantization is handled."
> can be removed.

Ok. Please send a followup patch with a "fixes: " tag mentioned the
commit that added it.

Thanks,
Mauro



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