linux-kernel - Re: [PATCH 4/5] m68k: Introduce config option CPU_HAS_NO

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Message-ID: <4FD1768B.4050206@snapgear.com>
Date:	Fri, 8 Jun 2012 13:50:35 +1000
From:	Greg Ungerer <gerg@...pgear.com>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
CC:	<linux-m68k@...ts.linux-m68k.org>, Greg Ungerer <gerg@...inux.org>,
	Philippe De Muyter <phdm@...qel.be>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 4/5] m68k: Introduce config option CPU_HAS_NO_UNALIGNED

On 08/06/12 04:47, Geert Uytterhoeven wrote:
> Use CONFIG_CPU_HAS_NO_UNALIGNED instead of open coding CONFIG_M68000 ||
> CONFIG_COLDFIRE
>
> Signed-off-by: Geert Uytterhoeven<geert@...ux-m68k.org>

Acked-by: Greg Ungerer<gerg@...inux.org>

Regards
Greg



> ---
>   arch/m68k/Kconfig.cpu             |    5 +++++
>   arch/m68k/include/asm/unaligned.h |    4 ++--
>   2 files changed, 7 insertions(+), 2 deletions(-)
>
> diff --git a/arch/m68k/Kconfig.cpu b/arch/m68k/Kconfig.cpu
> index 6cd8c1a..c4ed650 100644
> --- a/arch/m68k/Kconfig.cpu
> +++ b/arch/m68k/Kconfig.cpu
> @@ -27,6 +27,7 @@ config COLDFIRE
>   	select ARCH_HAVE_CUSTOM_GPIO_H
>   	select CPU_HAS_NO_BITFIELDS
>   	select CPU_HAS_NO_MULDIV64
> +	select CPU_HAS_NO_UNALIGNED
>   	select GENERIC_CSUM
>
>   endchoice
> @@ -37,6 +38,7 @@ config M68000
>   	bool
>   	select CPU_HAS_NO_BITFIELDS
>   	select CPU_HAS_NO_MULDIV64
> +	select CPU_HAS_NO_UNALIGNED
>   	select GENERIC_CSUM
>   	help
>   	  The Freescale (was Motorola) 68000 CPU is the first generation of
> @@ -366,6 +368,9 @@ config CPU_HAS_NO_BITFIELDS
>   config CPU_HAS_NO_MULDIV64
>   	bool
>
> +config CPU_HAS_NO_UNALIGNED
> +	bool
> +
>   config CPU_HAS_ADDRESS_SPACES
>   	bool
>
> diff --git a/arch/m68k/include/asm/unaligned.h b/arch/m68k/include/asm/unaligned.h
> index f4043ae..2b3ca0b 100644
> --- a/arch/m68k/include/asm/unaligned.h
> +++ b/arch/m68k/include/asm/unaligned.h
> @@ -2,7 +2,7 @@
>   #define _ASM_M68K_UNALIGNED_H
>
>
> -#if defined(CONFIG_COLDFIRE) || defined(CONFIG_M68000)
> +#ifdef CONFIG_CPU_HAS_NO_UNALIGNED
>   #include<linux/unaligned/be_struct.h>
>   #include<linux/unaligned/le_byteshift.h>
>   #include<linux/unaligned/generic.h>
> @@ -12,7 +12,7 @@
>
>   #else
>   /*
> - * The m68k can do unaligned accesses itself.
> + * The m68k can do unaligned accesses itself.
>    */
>   #include<linux/unaligned/access_ok.h>
>   #include<linux/unaligned/generic.h>


-- 
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Greg Ungerer  --  Principal Engineer        EMAIL:     gerg@...pgear.com
SnapGear Group, McAfee                      PHONE:       +61 7 3435 2888
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