Re: [PATCH v5 4/5] soc: qcom: rpmh-rsc: Simplify locking by eliminating the per-TCS lock

[Stephen Boyd <swboyd@xxxxxxxxxxxx>]

Quoting Stephen Boyd (2020-04-24 11:06:06)
> Quoting Douglas Anderson (2020-04-24 09:46:56)
> > @@ -581,24 +575,19 @@ static int tcs_write(struct rsc_drv *drv, const struct tcs_request *msg)
> > +       ret = find_free_tcs(tcs);
> > +       if (ret < 0)
> > +               goto unlock;
> > +       tcs_id = ret;
> 
> Sorry, missed this. We should keep the tcs_id = find_free_tcs() thing
> and then assign ret to it on failure. Otherwise the return value of this
> function is -EBUSY or the tcs_id number instead of -EBUSY or 0.
> 

Ah I see that ret is only returned on error. Nevermind that comment. I
should make that coffee this morning...