From: Geert Uytterhoeven Date: Sun, 27 Jan 2013 09:33:28 +0000 (+0000) Subject: xtensa: Provide dummy dma_mmap_coherent() and dma_get_sgtable() X-Git-Tag: v3.8-rc7~14^2 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=da57b936ea7b328d1009b37a0a0ad1f14148e104;p=pandora-kernel.git xtensa: Provide dummy dma_mmap_coherent() and dma_get_sgtable() xtensa/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 . Xtensa does not use dma_map_ops, hence it should implement them itself. For now, use dummy implementations that just return -EINVAL, until the API has been finalized. Signed-off-by: Geert Uytterhoeven Cc: Marek Szyprowski Cc: linux-xtensa@linux-xtensa.org Signed-off-by: Marek Szyprowski --- Reading git-diff-tree failed