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| author | Marek Szyprowski <m.szyprowski@samsung.com> | 2012-06-13 10:01:15 +0200 |
|---|---|---|
| committer | Marek Szyprowski <m.szyprowski@samsung.com> | 2012-07-30 12:25:47 +0200 |
| commit | dc2832e1e7db3f9ad465d2fe894bd69ef05d1e4b (patch) | |
| tree | 67b74751c0d7ee64c6ab9702a56041ab0f3df092 /arch/arm/common | |
| parent | common: dma-mapping: introduce dma_get_sgtable() function (diff) | |
| download | linux-dc2832e1e7db3f9ad465d2fe894bd69ef05d1e4b.tar.xz linux-dc2832e1e7db3f9ad465d2fe894bd69ef05d1e4b.zip | |
ARM: dma-mapping: add support for dma_get_sgtable()
This patch adds support for dma_get_sgtable() function which is required
to let drivers to share the buffers allocated by DMA-mapping subsystem.
Generic implementation based on virt_to_page() is not suitable for ARM
dma-mapping subsystem.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Kyungmin Park <kyungmin.park@samsung.com>
Diffstat (limited to 'arch/arm/common')
| -rw-r--r-- | arch/arm/common/dmabounce.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/common/dmabounce.c b/arch/arm/common/dmabounce.c index aa07f5938f05..1143c4d5c567 100644 --- a/arch/arm/common/dmabounce.c +++ b/arch/arm/common/dmabounce.c @@ -452,6 +452,7 @@ static struct dma_map_ops dmabounce_ops = { .alloc = arm_dma_alloc, .free = arm_dma_free, .mmap = arm_dma_mmap, + .get_sgtable = arm_dma_get_sgtable, .map_page = dmabounce_map_page, .unmap_page = dmabounce_unmap_page, .sync_single_for_cpu = dmabounce_sync_for_cpu, |