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| author | Lachlan McIlroy | 2008-12-29 06:47:18 +0100 |
|---|---|---|
| committer | Lachlan McIlroy | 2008-12-29 06:47:18 +0100 |
| commit | 0a8c5395f90f06d128247844b2515c8bf3f2826b (patch) | |
| tree | d95382dcdfa303b99d480c01763d6cb6767fdaca /arch/powerpc/kernel/dma.c | |
| parent | [XFS] Fix race in xfs_write() between direct and buffered I/O with DMAPI (diff) | |
| parent | Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/p... (diff) | |
| download | kernel-qcow2-linux-0a8c5395f90f06d128247844b2515c8bf3f2826b.tar.gz kernel-qcow2-linux-0a8c5395f90f06d128247844b2515c8bf3f2826b.tar.xz kernel-qcow2-linux-0a8c5395f90f06d128247844b2515c8bf3f2826b.zip | |
[XFS] Fix merge failures
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
fs/xfs/linux-2.6/xfs_cred.h
fs/xfs/linux-2.6/xfs_globals.h
fs/xfs/linux-2.6/xfs_ioctl.c
fs/xfs/xfs_vnodeops.h
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Diffstat (limited to 'arch/powerpc/kernel/dma.c')
| -rw-r--r-- | arch/powerpc/kernel/dma.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c index 3a6eaa876ee1..1c5c8a6fc129 100644 --- a/arch/powerpc/kernel/dma.c +++ b/arch/powerpc/kernel/dma.c @@ -120,6 +120,26 @@ static inline void dma_direct_unmap_page(struct device *dev, { } +#ifdef CONFIG_NOT_COHERENT_CACHE +static inline void dma_direct_sync_sg(struct device *dev, + struct scatterlist *sgl, int nents, + enum dma_data_direction direction) +{ + struct scatterlist *sg; + int i; + + for_each_sg(sgl, sg, nents, i) + __dma_sync_page(sg_page(sg), sg->offset, sg->length, direction); +} + +static inline void dma_direct_sync_single_range(struct device *dev, + dma_addr_t dma_handle, unsigned long offset, size_t size, + enum dma_data_direction direction) +{ + __dma_sync(bus_to_virt(dma_handle+offset), size, direction); +} +#endif + struct dma_mapping_ops dma_direct_ops = { .alloc_coherent = dma_direct_alloc_coherent, .free_coherent = dma_direct_free_coherent, @@ -128,5 +148,11 @@ struct dma_mapping_ops dma_direct_ops = { .dma_supported = dma_direct_dma_supported, .map_page = dma_direct_map_page, .unmap_page = dma_direct_unmap_page, +#ifdef CONFIG_NOT_COHERENT_CACHE + .sync_single_range_for_cpu = dma_direct_sync_single_range, + .sync_single_range_for_device = dma_direct_sync_single_range, + .sync_sg_for_cpu = dma_direct_sync_sg, + .sync_sg_for_device = dma_direct_sync_sg, +#endif }; EXPORT_SYMBOL(dma_direct_ops); |