Re: [PATCH v6 1/1] serial: core: Start managing serial controllers to enable runtime PM

From: Andy Shevchenko
Date: Fri Mar 10 2023 - 08:46:28 EST


On Fri, Mar 10, 2023 at 08:52:38AM +0200, Tony Lindgren wrote:
> * kernel test robot <lkp@xxxxxxxxx> [230309 21:31]:
> > >> drivers/tty/serial/serial_ctrl.c:17:34: warning: 'serial_ctrl_pm' defined but not used [-Wunused-const-variable=]
> > 17 | static DEFINE_RUNTIME_DEV_PM_OPS(serial_ctrl_pm, NULL, NULL, NULL);
> > | ^~~~~~~~~~~~~~
>
> Thanks I'll tag it with __maybe_unused.

It requires to use pm_ptr() macro, it was designed exactly to *not* spread
__maybe_unused.

--
With Best Regards,
Andy Shevchenko