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Geert Uytterhoeven da57b936ea 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 <asm-generic/dma-mapping-common.h>.

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 <geert@linux-m68k.org>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: linux-xtensa@linux-xtensa.org
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
 		2013-01-29 08:27:41 +01:00
..
boot xtensa: don't try to build DTB when OF is disabled 2012-12-18 21:10:26 -08:00
configs xtensa: drop CONFIG_EMBEDDED_RAMDISK 2012-10-03 15:13:09 -07:00
include xtensa: Provide dummy dma_mmap_coherent() and dma_get_sgtable() 2013-01-29 08:27:41 +01:00
kernel xtensa: clean up files to make them code-style compliant 2012-12-18 21:10:25 -08:00
lib xtensa: clean up files to make them code-style compliant 2012-12-18 21:10:25 -08:00
mm xtensa: clean up files to make them code-style compliant 2012-12-18 21:10:25 -08:00
platforms xtensa: set the correct ethernet address for xtfpga 2012-12-18 21:10:26 -08:00
variants xtensa: unbalanced parentheses 2012-12-18 21:10:20 -08:00
Kconfig Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal 2012-12-20 18:05:28 -08:00
Kconfig.debug xtensa: add s32c1i sanity check 2012-12-18 21:10:22 -08:00
Makefile xtensa: don't try to build DTB when OF is disabled 2012-12-18 21:10:26 -08:00