Re: [PATCH] soc: r9a06g032: don't build SMP fiiles for non-SMP config

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Hi Arnd,

On Fri, Jul 6, 2018 at 5:16 PM Arnd Bergmann <arnd@xxxxxxxx> wrote:
> Without CONFIG_SMP, we get a build failure:
>
> In file included from include/linux/byteorder/little_endian.h:5,
>                  from arch/arm/include/uapi/asm/byteorder.h:22,
>                  from include/asm-generic/bitops/le.h:6,
>                  from arch/arm/include/asm/bitops.h:342,
>                  from include/linux/bitops.h:18,
>                  from include/linux/kernel.h:11,
>                  from include/asm-generic/bug.h:18,
>                  from arch/arm/include/asm/bug.h:60,
>                  from include/linux/bug.h:5,
>                  from include/linux/io.h:23,
>                  from drivers/soc/renesas/r9a06g032-smp.c:11:
> drivers/soc/renesas/r9a06g032-smp.c: In function 'r9a06g032_smp_boot_secondary':
> drivers/soc/renesas/r9a06g032-smp.c:43:21: error: 'secondary_startup' undeclared (first use in this function)
>   writel(__pa_symbol(secondary_startup), cpu_bootaddr);
>                      ^~~~~~~~~~~~~~~~~
>
> This makes the compilation of that file conditional on SMP support.
> It would probably be better for consistency to leave that file
> in arch/arm/mach-shmobile/, matching what we do for all other smp
> operations.

Shouldn't that comment be moved below the "---"? ;-)

I thought the (10Y ;-) plan was to have no more code under arch/arm/mach-*/?
Note that the suport for the new RZ/N1D SoC doesn't use any other code in
mach-shmobile.

> Fixes: cde4f86f9249 ("arm: shmobile: Add the R9A06G032 SMP enabler driver")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>

Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

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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