Re: [PATCH] avr32: fix build failures from mis-naming of atmel_nand.h

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Around Thu 22 Mar 2012 01:18:40 -0400 or thereabout, Paul Gortmaker wrote:
> [Re: [PATCH] avr32: fix build failures from mis-naming of atmel_nand.h] On 21/03/2012 (Wed 09:26) Nicolas Ferre wrote:
> 
>> On 03/21/2012 08:26 AM, Hans-Christian Egtvedt :
>> > Around Tue 20 Mar 2012 22:15:28 -0400 or thereabout, Paul Gortmaker wrote:
>> >> Commit bf4289cba02b8cf770ecd7959ca70839f0dd9d3c (linux-next)
>> >>
>> >>     "ATMEL: fix nand ecc support"
>> >>
>> >> indicated that it wanted to "Move platform data to a common
>> >> header include/linux/platform_data/atmel_nand.h" and the new
>> >> header even had re-include protectors with:
>> >>
>> >>     #ifndef __ATMEL_NAND_H__
>> >>
>> >> However, the file that was added was simply called atmel.h
>> >> and this caused avr32 defconfig to fail with:
>> >>
>> >>   In file included from arch/avr32/boards/atstk1000/setup.c:22:
>> >>   arch/avr32/mach-at32ap/include/mach/board.h:10:44: error: linux/platform_data/atmel_nand.h: No such file or directory
>> >>   In file included from arch/avr32/boards/atstk1000/setup.c:22:
>> >>   arch/avr32/mach-at32ap/include/mach/board.h:121: warning: 'struct atmel_nand_data' declared inside parameter list
>> >>   arch/avr32/mach-at32ap/include/mach/board.h:121: warning: its scope is only this definition or declaration, which is probably not what you want
>> >>   make[2]: *** [arch/avr32/boards/atstk1000/setup.o] Error 1
>> >>
>> >> Rename the file to match the original intention, and fix up the
>> >> users who reference the bad name without the _nand suffix.
>> > 
>> > Thanks fixing this.
>> 
>> 
>> Yes, we need to fix this. But I would not like to see this
>> "platform_data/atmel.h" renamed: I think that this file was designed to
>> collect several common platform data (ie: not just NAND related).
>> 
>> So maybe we should just rename the entry that exists in
>> mach-at32ap/include/mach/board.h
>> and remove all occurrences of platform_data/atmel_nand.h
> 
> Funny, since this is what I did 1st before I re-read the original commit
> log in more detail. :)  Oh well.  Here is the alternate solution.  You
> guys can pick whichever one you like best.  I compile tested this one
> as well.

I'll leave it to Nicolas to sign-off on this, but the changes look fine for
me.

> ---
> 
> From 73c01b7ed8fd2732661fa1ca726c48096f4651f2 Mon Sep 17 00:00:00 2001
> From: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx>
> Date: Tue, 20 Mar 2012 21:55:46 -0400
> Subject: [PATCH] avr32: fix build failures from mis-naming of atmel_nand.h
> 
> Commit bf4289cba02b8cf770ecd7959ca70839f0dd9d3c (linux-next)
> 
>     "ATMEL: fix nand ecc support"
> 
> indicated that it wanted to "Move platform data to a common
> header include/linux/platform_data/atmel_nand.h" and the new
> header even had re-include protectors with:
> 
>     #ifndef __ATMEL_NAND_H__
> 
> However, the file that was added was simply called atmel.h
> and this caused avr32 defconfig to fail with:
> 
>   In file included from arch/avr32/boards/atstk1000/setup.c:22:
>   arch/avr32/mach-at32ap/include/mach/board.h:10:44: error: linux/platform_data/atmel_nand.h: No such file or directory
>   In file included from arch/avr32/boards/atstk1000/setup.c:22:
>   arch/avr32/mach-at32ap/include/mach/board.h:121: warning: 'struct atmel_nand_data' declared inside parameter list
>   arch/avr32/mach-at32ap/include/mach/board.h:121: warning: its scope is only this definition or declaration, which is probably not what you want
>   make[2]: *** [arch/avr32/boards/atstk1000/setup.o] Error 1
> 
> It seems the scope of the file contents will expand beyond
> just nand, so ignore the original intention, and fix up the
> users who reference the bad name with the _nand suffix.
> 
> Signed-off-by: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx>
> CC: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@xxxxxxxxxxxx>
> CC: Hans-Christian Egtvedt <egtvedt@xxxxxxxxxxxx>
> CC: David Woodhouse <dwmw2@xxxxxxxxxxxxx>

Acked-by: Hans-Christian Egtvedt <egtvedt@xxxxxxxxxxxx>

> diff --git a/arch/avr32/mach-at32ap/include/mach/board.h b/arch/avr32/mach-at32ap/include/mach/board.h
> index 7173386..70742ec 100644
> --- a/arch/avr32/mach-at32ap/include/mach/board.h
> +++ b/arch/avr32/mach-at32ap/include/mach/board.h
> @@ -7,7 +7,7 @@
>  #include <linux/types.h>
>  #include <linux/serial.h>
>  #include <linux/platform_data/macb.h>
> -#include <linux/platform_data/atmel_nand.h>
> +#include <linux/platform_data/atmel.h>
>  
>  #define GPIO_PIN_NONE	(-1)
>  
> diff --git a/include/linux/platform_data/atmel.h b/include/linux/platform_data/atmel.h
> index d056263..b0f2c56 100644
> --- a/include/linux/platform_data/atmel.h
> +++ b/include/linux/platform_data/atmel.h
> @@ -4,8 +4,8 @@
>   * GPL v2 Only
>   */
>  
> -#ifndef __ATMEL_NAND_H__
> -#define __ATMEL_NAND_H__
> +#ifndef __ATMEL_H__
> +#define __ATMEL_H__
>  
>  #include <linux/mtd/nand.h>
>  
> @@ -24,4 +24,4 @@ struct atmel_nand_data {
>  	unsigned int	num_parts;
>  };
>  
> -#endif /* __ATMEL_NAND_H__ */
> +#endif /* __ATMEL_H__ */
-- 
mvh
Hans-Christian Egtvedt
--
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