Re: [PATCH] PM / OPP: 'UNKNOWN' status of opp-table->shared

From: Viresh Kumar
Date: Thu Jun 16 2016 - 08:48:32 EST


On 16-06-16, 14:25, Rafael J. Wysocki wrote:
> On Thu, Jun 16, 2016 at 8:33 AM, Viresh Kumar <viresh.kumar@xxxxxxxxxx> wrote:
> > + if (opp_table->shared_opp == OPP_TABLE_IS_SHARED)
> > + return opp_table;
> > +
> > + return NULL;
>
> That still can be
>
> return opp_table->shared_opp == OPP_TABLE_IS_SHARED ? opp_table : NULL;
>
> > }
> > }
> >

> > + if (of_property_read_bool(opp_np, "opp-shared"))
> > + opp_table->shared_opp = OPP_TABLE_IS_SHARED;
> > + else
> > + opp_table->shared_opp = OPP_TABLE_IS_NOT_SHARED;
>
> And here
>
> opp_table->shared_opp = of_property_read_bool(opp_np, "opp-shared") ?
> OPP_TABLE_IS_SHARED :
> OPP_TABLE_IS_NOT_SHARED;

Conditional statement for both these cases is getting very long and
if/else looks much more readable. And so I would like to stick with
that, if you allow.

> > +#define OPP_TABLE_IS_NOT_SHARED 0
> > +#define OPP_TABLE_IS_SHARED 1
> > +#define OPP_TABLE_SHARED_UNKNOWN UINT_MAX
>

> Please change this into an enum type.

> Besides, I'd call them OPP_TABLE_ACCESS_SHARED,
> OPP_TABLE_ACCESS_EXCLUSIVE, OPP_TABLE_ACCESS_UNKNOWN or similar, but I
> don't care that much either.

Sure. This can be done.

--
viresh