linux-kernel - Re: [PATCH 4/9] cris: Provide dma_mmap_coherent() and dma_get

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Message-ID: <20130114083802.GA23529@axis.com>
Date:	Mon, 14 Jan 2013 09:38:02 +0100
From:	Jesper Nilsson <jesper.nilsson@...s.com>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:	linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	linux-cris-kernel@...s.com
Subject: Re: [PATCH 4/9] cris: Provide dma_mmap_coherent() and
 dma_get_sgtable()

On Sun, Jan 13, 2013 at 11:44:45AM +0100, Geert Uytterhoeven wrote:
> cris/allmodconfig:
> 
> drivers/media/v4l2-core/videobuf2-dma-contig.c: In function ‘vb2_dc_mmap’:
> drivers/media/v4l2-core/videobuf2-dma-contig.c:204: error: implicit declaration of function ‘dma_mmap_coherent’
> drivers/media/v4l2-core/videobuf2-dma-contig.c: In function ‘vb2_dc_get_base_sgt’:
> drivers/media/v4l2-core/videobuf2-dma-contig.c:387: error: implicit declaration of function ‘dma_get_sgtable’
> 
> For architectures using dma_map_ops, dma_mmap_coherent() and
> dma_get_sgtable() are provided in <asm-generic/dma-mapping-common.h>.
> 
> Cris does not use dma_map_ops, hence it should implement them as inline
> stubs using dma_common_mmap() and dma_common_get_sgtable().
> 
> Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
> Cc: Marek Szyprowski <m.szyprowski@...sung.com>
> Cc: linux-cris-kernel@...s.com

Acked-by: Jesper Nilsson <jesper.nilsson@...s.com>

/^JN - Jesper Nilsson
-- 
               Jesper Nilsson -- jesper.nilsson@...s.com
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