diff options
| author | Christoph Hellwig <hch@lst.de> | 2019-02-13 08:01:24 +0100 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2019-02-18 12:41:03 +0100 |
| commit | 6666cc17d7802b7dcbb073e7be1eee2cf6fa64d9 (patch) | |
| tree | b6161b925f0fa1957a5a9e1174fd963c3b745ca3 /arch/powerpc/platforms | |
| parent | powerpc/dma: use phys_to_dma instead of get_dma_offset (diff) | |
| download | linux-6666cc17d7802b7dcbb073e7be1eee2cf6fa64d9.tar.xz linux-6666cc17d7802b7dcbb073e7be1eee2cf6fa64d9.zip | |
powerpc/dma: remove dma_nommu_mmap_coherent
The coherent cache version of this function already is functionally
identicall to the default version, and by defining the
arch_dma_coherent_to_pfn hook the same is ture for the noncoherent
version as well.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Christian Zigotzky <chzigotzky@xenosoft.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/platforms')
| -rw-r--r-- | arch/powerpc/platforms/Kconfig.cputype | 1 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/vio.c | 1 |
2 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype index 8c7464c3f27f..48cd5aa90ad2 100644 --- a/arch/powerpc/platforms/Kconfig.cputype +++ b/arch/powerpc/platforms/Kconfig.cputype @@ -402,6 +402,7 @@ config NOT_COHERENT_CACHE bool depends on 4xx || PPC_8xx || E200 || PPC_MPC512x || \ GAMECUBE_COMMON || AMIGAONE + select ARCH_HAS_DMA_COHERENT_TO_PFN default n if PPC_47x default y diff --git a/arch/powerpc/platforms/pseries/vio.c b/arch/powerpc/platforms/pseries/vio.c index 7870bf99168c..b7dc8bd41fd0 100644 --- a/arch/powerpc/platforms/pseries/vio.c +++ b/arch/powerpc/platforms/pseries/vio.c @@ -603,7 +603,6 @@ static void vio_dma_iommu_unmap_sg(struct device *dev, static const struct dma_map_ops vio_dma_mapping_ops = { .alloc = vio_dma_iommu_alloc_coherent, .free = vio_dma_iommu_free_coherent, - .mmap = dma_nommu_mmap_coherent, .map_sg = vio_dma_iommu_map_sg, .unmap_sg = vio_dma_iommu_unmap_sg, .map_page = vio_dma_iommu_map_page, |