linux-kernel - Re: [PATCH v2 1/2] ARM : DMA : remove useless information about DMA

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Date:	Fri, 11 Apr 2014 12:39:40 +0200
From:	Marek Szyprowski <m.szyprowski@...sung.com>
To:	Liu Hua <sdu.liu@...wei.com>, nicolas.pitre@...aro.org
Cc:	linux@....linux.org.uk, will.deacon@....com,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	wangnan0@...wei.com, peifeiyue@...wei.com, liusdu@....com
Subject: Re: [PATCH v2 1/2] ARM : DMA : remove useless information about DMA

Hello,

On 2014-04-11 10:00, Liu Hua wrote:
> Because commit e9da6e9905e6 has remove custom consistent dma
> region. So the related variable and document should be removed
>
> Signed-off-by: Liu Hua <sdu.liu@...wei.com>

Acked-by: Marek Szyprowski <m.szyprowski@...sung.com>

> ---
>   Documentation/arm/memory.txt  | 4 ----
>   arch/arm/include/asm/memory.h | 2 --
>   2 files changed, 6 deletions(-)
>
> diff --git a/Documentation/arm/memory.txt b/Documentation/arm/memory.txt
> index 4bfb9ff..8a361c0 100644
> --- a/Documentation/arm/memory.txt
> +++ b/Documentation/arm/memory.txt
> @@ -44,10 +44,6 @@ fffe0000	fffe7fff	ITCM mapping area for platforms with
>   fff00000	fffdffff	Fixmap mapping region.  Addresses provided
>   				by fix_to_virt() will be located here.
>   
> -ffc00000	ffefffff	DMA memory mapping region.  Memory returned
> -				by the dma_alloc_xxx functions will be
> -				dynamically mapped here.
> -
>   ff000000	ffbfffff	Reserved for future expansion of DMA
>   				mapping region.
>   
> diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
> index 02fa255..2b75146 100644
> --- a/arch/arm/include/asm/memory.h
> +++ b/arch/arm/include/asm/memory.h
> @@ -83,8 +83,6 @@
>    */
>   #define IOREMAP_MAX_ORDER	24
>   
> -#define CONSISTENT_END		(0xffe00000UL)
> -
>   #else /* CONFIG_MMU */
>   
>   /*

Best regards
-- 
Marek Szyprowski, PhD
Samsung R&D Institute Poland

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