Re: [PATCH v1 1/1] serial: 8250_dw: Drop PM ifdeffery

From: Andy Shevchenko
Date: Thu Jun 30 2022 - 03:57:01 EST


On Thu, Jun 30, 2022 at 9:42 AM Ilpo Järvinen
<ilpo.jarvinen@xxxxxxxxxxxxxxx> wrote:
>
> On Wed, 29 Jun 2022, Andy Shevchenko wrote:
>
> > Drop CONFIG_PM and CONFIG_PM_SLEEP ifdeffery while converting dw8250_pm_ops
> > to use new PM macros.
> >
> > Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
>
> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
>
> Not directily related to the patch itself but do you have any idea why
> 1a3c7bb08826 ("PM: core: Add new *_PM_OPS macros, deprecate old ones")
> didn't wrap RUNTIME_PM_OPS() pointers with pm_ptr()? I'm asking this
> because in SET_RUNTIME_PM_OPS() the callbacks are only created with
> #ifdef CONFIG_PM so I'd have expected RUNTIME_PM_OPS() to maintain that
> behavior but it didn't? Was it just an oversight that should be fixed?

I have had the same question, but I think it might be related to how
PM runtime functions when there is no respective configuration option
set.

+Cc: Rafael.

--
With Best Regards,
Andy Shevchenko