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

[Dafna Hirschfeld]

Am 27.09.20 um 13:05 schrieb Mauro Carvalho Chehab:
> 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.

sent just now,

Thanks,
Dafna

> 
> Thanks,
> Mauro
>