linux-kernel - Re: [PATCH] h8300: include: asm: Kbuild: add gpio.h for pass compiling

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Message-ID: <CAMuHMdXT+ezyFGNisEaz62ReHxeNzZq0XgKR905OtyhmCnu6Kg@mail.gmail.com>
Date:	Mon, 26 Aug 2013 12:21:05 +0200
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Chen Gang <gang.chen@...anux.com>
Cc:	Yoshinori Sato <ysato@...rs.sourceforge.jp>,
	Arnd Bergmann <arnd@...db.de>,
	"dhowells@...hat.com" <dhowells@...hat.com>,
	Dave Jones <davej@...hat.com>,
	David Sharp <dhsharp@...gle.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] h8300: include: asm: Kbuild: add gpio.h for pass compiling

On Mon, Aug 26, 2013 at 12:16 PM, Chen Gang <gang.chen@...anux.com> wrote:
> Need add default "gpio.h" for h8300, or can not pass compiling.
>
> The related error (allmodconfig for h8300):
>
>   arch/h8300/kernel/h8300_ksyms.c:17:22: fatal error: asm/gpio.h: No such file or directory
>    #include <asm/gpio.h>
>                         ^

I this include needed at all? Perhaps it can just be removed?

> Signed-off-by: Chen Gang <gang.chen@...anux.com>
> ---
>  arch/h8300/include/asm/Kbuild |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/arch/h8300/include/asm/Kbuild b/arch/h8300/include/asm/Kbuild
> index 8ada3cf..4c627aa 100644
> --- a/arch/h8300/include/asm/Kbuild
> +++ b/arch/h8300/include/asm/Kbuild
> @@ -1,6 +1,7 @@
>
>  generic-y += clkdev.h
>  generic-y += exec.h
> +generic-y += gpio.h
>  generic-y += linkage.h
>  generic-y += mmu.h
>  generic-y += module.h

The only gpio-related exports in arch/h8300/kernel/h8300_ksyms.c are:

EXPORT_SYMBOL(h8300_reserved_gpio);
EXPORT_SYMBOL(h8300_free_gpio);
EXPORT_SYMBOL(h8300_set_gpio_dir);

and these are definitely not provided by asm-generic/gpio.h.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

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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