2230124759
Replace the private struct vb2_dma_sg_desc with the struct sg_table so we can benefit from all the helping functions in lib/scatterlist.c for things like allocating the sg or compacting the descriptor. marvel-ccic and solo6x10 drivers, that use this API have been updated. Acked-by: Marek Szyprowski <m.szyprowski@samsung.com> Reviewed-by: Andre Heider <a.heider@gmail.com> Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> [s.nawrocki@samsung.com: minor corrections of the changelog] Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
26 lines
696 B
C
26 lines
696 B
C
/*
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* videobuf2-dma-sg.h - DMA scatter/gather memory allocator for videobuf2
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*
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* Copyright (C) 2010 Samsung Electronics
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*
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* Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation.
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*/
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#ifndef _MEDIA_VIDEOBUF2_DMA_SG_H
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#define _MEDIA_VIDEOBUF2_DMA_SG_H
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#include <media/videobuf2-core.h>
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static inline struct sg_table *vb2_dma_sg_plane_desc(
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struct vb2_buffer *vb, unsigned int plane_no)
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{
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return (struct sg_table *)vb2_plane_cookie(vb, plane_no);
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}
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extern const struct vb2_mem_ops vb2_dma_sg_memops;
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#endif
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