Re: [PATCH] serial: pic32: Fix build warning when CONFIG_OF is disabled

From: Greg KH
Date: Mon Jan 27 2025 - 05:23:07 EST


On Mon, Jan 27, 2025 at 06:07:13PM +0800, Yu-Chun Lin wrote:
> On Mon, Jan 27, 2025 at 10:12:47AM +0100, Greg KH wrote:
> > > So I should remove of_match_ptr and add the CONFIG_OF as a dependency
> > > for the configuration. Correct?
> >
> > I don't know, but putting #ifdef in .c files is not the correct solution
> > at all.
>
> I fixed the build warning this way because I saw it was done the same way
> in these three files:
>
> drivers/tty/serial/samsung_tty.c
> drivers/tty/serial/mps2-uart.c
> drivers/tty/serial/altera_jtaguart.c

Those too should be fixed properly.

> Or maybe we can add __maybe_unused to avoid the warning?

No, again, no other bus has this issue, please fix the macros properly.

thanks,

greg k-h