linux-kernel - Re: [PATCH 6/13] score - New architecure port to SunplusCT S+CORE processor

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Date:	Fri, 27 Mar 2009 19:45:22 +0100
From:	Sam Ravnborg <sam@...nborg.org>
To:	liqin.chen@...plusct.com
Cc:	linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
	torvalds@...ux-foundation.org
Subject: Re: [PATCH 6/13] score - New architecure port to SunplusCT S+CORE processor

> linux-2.6-git.ori/arch/score/include/asm/types.h 
> linux-2.6-git.new/arch/score/include/asm/types.h
> --- linux-2.6-git.ori/arch/score/include/asm/types.h    1970-01-01 
> 08:00:00.000000000 +0800
> +++ linux-2.6-git.new/arch/score/include/asm/types.h    2009-03-23 
> 15:03:24.000000000 +0800
> @@ -0,0 +1,24 @@
> +#ifndef _ASM_TYPES_H
> +#define _ASM_TYPES_H
> +
> +#include <asm-generic/int-ll64.h>
> +
> +#ifndef __ASSEMBLY__
> +typedef unsigned short umode_t;
> +#endif /* __ASSEMBLY__ */
> +
> +#ifdef __KERNEL__
> +#define BITS_PER_LONG  32
> +#ifndef __ASSEMBLY__
> +
> +typedef u32 dma_addr_t;
> +typedef u64 dma64_addr_t;
> +
> +/*
> + * Don't use phys_t. You've been warned.
> + */
> +typedef unsigned long phys_t;

If you do not use it drop it from this file.

> diff -uprN -x linux-2.6-git.ori/Documentation/dontdiff 
> linux-2.6-git.ori/arch/score/include/asm/unaligned.h 
> linux-2.6-git.new/arch/score/include/asm/unaligned.h
> --- linux-2.6-git.ori/arch/score/include/asm/unaligned.h        1970-01-01 
> 08:00:00.000000000 +0800
> +++ linux-2.6-git.new/arch/score/include/asm/unaligned.h        2009-03-23 
> 15:07:26.000000000 +0800
> @@ -0,0 +1,21 @@
> +#ifndef _ASM_SCORE_UNALIGNED_H
> +#define _ASM_SCORE_UNALIGNED_H
> +
> +#include <linux/compiler.h>
> +#if defined(__SCOREEB__)
> +# include <linux/unaligned/be_struct.h>
> +# include <linux/unaligned/le_byteshift.h>
> +# include <linux/unaligned/generic.h>
> +# define get_unaligned __get_unaligned_be
> +# define put_unaligned __put_unaligned_be
> +#elif defined(__SCOREEL__)
> +# include <linux/unaligned/le_struct.h>
> +# include <linux/unaligned/be_byteshift.h>
> +# include <linux/unaligned/generic.h>
> +# define get_unaligned __get_unaligned_le
> +# define put_unaligned __put_unaligned_le
> +#else
> +# error "SCORE, but neither __SCOREEB__, nor __SCOREEL__???"
> +#endif

Where does __SCOREEB__ and __SCOREEL__ comes from?
Can we use a CONFIG_ symbol here?

The header is not exported so it is OK to use CONFIG_ and
if we can puch the definition to Kconfig time then this is preferred.

	Sam
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