diff options
| author | Geert Uytterhoeven <geert@linux-m68k.org> | 2013-01-27 09:33:24 +0000 |
|---|---|---|
| committer | Marek Szyprowski <m.szyprowski@samsung.com> | 2013-01-29 08:11:15 +0100 |
| commit | 5fd381126e4b6da3f431527ffe95271875eec98e (patch) | |
| tree | c66f0aa68622e27542a4675acb4557445b32959f /arch/frv/include | |
| parent | 063acebaf4795e57fd2c49d712a9179d8bfa9192 (diff) | |
| download | lwn-5fd381126e4b6da3f431527ffe95271875eec98e.tar.gz lwn-5fd381126e4b6da3f431527ffe95271875eec98e.zip | |
frv: Provide dummy dma_mmap_coherent() and dma_get_sgtable()
frv/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>.
Frv 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: David Howells <dhowells@redhat.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Diffstat (limited to 'arch/frv/include')
| -rw-r--r-- | arch/frv/include/asm/dma-mapping.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/frv/include/asm/dma-mapping.h b/arch/frv/include/asm/dma-mapping.h index dfb811002c64..1746a2b8e6e7 100644 --- a/arch/frv/include/asm/dma-mapping.h +++ b/arch/frv/include/asm/dma-mapping.h @@ -132,4 +132,19 @@ void dma_cache_sync(struct device *dev, void *vaddr, size_t size, flush_write_buffers(); } +/* Not supported for now */ +static inline int dma_mmap_coherent(struct device *dev, + struct vm_area_struct *vma, void *cpu_addr, + dma_addr_t dma_addr, size_t size) +{ + return -EINVAL; +} + +static inline int dma_get_sgtable(struct device *dev, struct sg_table *sgt, + void *cpu_addr, dma_addr_t dma_addr, + size_t size) +{ + return -EINVAL; +} + #endif /* _ASM_DMA_MAPPING_H */ |