[PATCH] media: s5p-mfc: Always pass NULL to s5p_mfc_cmd_host2risc_v6()

Nathan Chancellor nathan at kernel.org
Tue Jul 29 17:52:12 PDT 2025


Hi Nicolas,

On Tue, Jul 29, 2025 at 10:24:22AM -0400, Nicolas Dufresne wrote:
> Le mardi 15 juillet 2025 à 15:13 -0700, Nathan Chancellor a écrit :
> > From what I can tell, it seems like ->cmd_host2risc() is only ever
> > called from v6 code, which always passes NULL? It seems like it should
> > be possible to just drop .cmd_host2risc on the v5 side, then update
> > .cmd_host2risc to only take two parameters? If so, I can send a follow
> > up as a clean up, so that this can go back relatively conflict free.
> 
> It seems so yes. For this specific patch, I would probably rename "args" to
> "__unused" to make the reading faster. But does not matter so much if you later
> remove it.

Yes, after this change is picked up in a maintainer's tree, I do plan to
send a patch to remove the "args" parameter altogether. If you really
care, I can certainly rename the parameter in this change to "__unused"
as suggested but if you don't, I will just leave it as is to make
backporting this a little easier.

> Reviewed-by: Nicolas Dufresne <nicolas.dufresne at collabora.com>

Thanks a lot for taking a look!

Cheers,
Nathan



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