[PATCH v2] firmware: arm_scmi: Queue in scmi layer for mailbox implementation

[Sudeep Holla]

On Sun, Oct 13, 2024 at 10:26:49AM +0100, Cristian Marussi wrote:
> On Fri, Oct 11, 2024 at 12:15:07PM -0700, Justin Chen wrote:
> > 
> > Yes, I see the implementation. Looks like it returns the position in the
> > ring buffer. I also confirmed with CONFIG_DEBUG_MUTEXES which triggers a
> > warning.
> > 
> > What about this?
> > if (ret >= 0)
> > 	ret = 0
> > else
> > 	mutex_unlock(&smbox->chan_lock);
> > 
> > A bit easier to read IMO.
> 
> Oh yes much better definitely...or, maybe, even more simply to read:
> 
>  ...
> 
>   mutex_lock(&smbox->chan_lock);
>   ret = mbox_send_message(smbox->chan, xfer);
>   if (ret < 0) {
>  	mutex_unlock(&smbox->chan_lock);
>         return ret;
>   }
> 
>   return 0;
> }
> 
> .... up to You...not sure what Sudeep prefers...
>

I like this better. Also I was hoping Justin would send v3 soonish, I want
to send PR for fixes soon. So I have gone ahead and fixed all your comments
myself. I had seen the doxygen one from builder already and had fixed it up
last week when I added this to -next.

-- 
Regards,
Sudeep