Re: [PATCH 17/22] powerpc: ps3: move udbg_shutdown_ps3gelic prototype

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Hi Michael,

On Fri, Nov 10, 2023 at 4:42 AM Michael Ellerman <mpe@xxxxxxxxxxxxxx> wrote:
> kernel test robot <lkp@xxxxxxxxx> writes:
> > kernel test robot noticed the following build errors:
> >
> > [auto build test ERROR on linus/master]
> > [also build test ERROR on next-20231108]
> > [cannot apply to v6.6]
> > [If your patch is applied to the wrong git tree, kindly drop us a note.
> > And when submitting patch, we suggest to use '--base' as documented in
> > https://git-scm.com/docs/git-format-patch#_base_tree_information]
> >
> > url:    https://github.com/intel-lab-lkp/linux/commits/Arnd-Bergmann/ida-make-ida_dump-static/20231109-005742
> > base:   linus/master
> > patch link:    https://lore.kernel.org/r/20231108125843.3806765-18-arnd%40kernel.org
> > patch subject: [PATCH 17/22] powerpc: ps3: move udbg_shutdown_ps3gelic prototype
> > config: powerpc64-randconfig-001-20231109 (https://download.01.org/0day-ci/archive/20231109/202311090843.b8ISrsV1-lkp@xxxxxxxxx/config)
> > compiler: powerpc64-linux-gcc (GCC) 13.2.0
> > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231109/202311090843.b8ISrsV1-lkp@xxxxxxxxx/reproduce)
> >
> > If you fix the issue in a separate patch/commit (i.e. not just a new version of
> > the same patch/commit), kindly add following tags
> > | Reported-by: kernel test robot <lkp@xxxxxxxxx>
> > | Closes: https://lore.kernel.org/oe-kbuild-all/202311090843.b8ISrsV1-lkp@xxxxxxxxx/
> >
> > All errors (new ones prefixed by >>):
> >
> >    arch/powerpc/platforms/ps3/gelic_udbg.c:59:1: warning: alignment 1 of 'struct debug_block' is less than 32 [-Wpacked-not-aligned]
> >       59 | } __packed;
> >          | ^
> >>> arch/powerpc/platforms/ps3/gelic_udbg.c:240:6: error: redefinition of 'udbg_shutdown_ps3gelic'
> >      240 | void udbg_shutdown_ps3gelic(void)
> >          |      ^~~~~~~~~~~~~~~~~~~~~~
> >    In file included from arch/powerpc/platforms/ps3/gelic_udbg.c:17:
> >    arch/powerpc/include/asm/ps3.h:520:20: note: previous definition of 'udbg_shutdown_ps3gelic' with type 'void(void)'
> >      520 | static inline void udbg_shutdown_ps3gelic(void) {}
> >          |                    ^~~~~~~~~~~~~~~~~~~~~~
>
> As pointed out by Arnd this is due to there being two symbols that
> control the gelic_udbg.c code.
>
> I don't see the need for PS3GELIC_UDBG, without PPC_EARLY_DEBUG_PS3GELIC
> it just causes gelic_udbg.c to be built, but never called.

My first thought was: PPC_EARLY_DEBUG_PS3GELIC is meant as an early
debugging console, while PS3GELIC_UDBG can be used with xmon later,
but that does not seem to be the case.

> The diff below fixes the error AFAICS.

So your changes on top LGTM.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds





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