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

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Date:	Mon, 26 Aug 2013 18:59:32 +0800
From:	Chen Gang <gang.chen@...anux.com>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
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 08/26/2013 06:21 PM, Geert Uytterhoeven wrote:
> 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?
> 

Pardon ?  Do you mean, only removing it  will be OK ?

>> 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.
> 

Yeah, I will try to remove "#include <asm/gpio.h>" to see whether can
pass compiling, tomorrow.  :-)

And now, I feel (just guess), it will not, for h8300 really need gpio
(it has "gpio-internal.h"), commonly it will need "asm/gpio.h" too.

Tomorrow, I will try to prove whether my guess is correct or not.  ;-).


Thanks.

> 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
> 
> 


-- 
Chen Gang
--
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