diff options
| author | Christoph Hellwig <hch@lst.de> | 2017-05-21 14:17:10 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2017-06-28 06:54:33 -0700 |
| commit | 6009faa43f804c99b3d8fff94fa1e0692be70358 (patch) | |
| tree | 05168471d1bc2b5d056a7e77bdc1bfd8ff844eb2 /arch/powerpc/platforms/pseries | |
| parent | ceaf481c4f6ae6090288528825abc7d051bb1032 (diff) | |
powerpc: implement ->mapping_error
DMA_ERROR_CODE is going to go away, so don't rely on it. Instead
define a ->mapping_error method for all IOMMU based dma operation
instances. The direct ops don't ever return an error and don't
need a ->mapping_error method.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/platforms/pseries')
| -rw-r--r-- | arch/powerpc/platforms/pseries/vio.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/pseries/vio.c b/arch/powerpc/platforms/pseries/vio.c index 28b09fd797ec..e6f43d546827 100644 --- a/arch/powerpc/platforms/pseries/vio.c +++ b/arch/powerpc/platforms/pseries/vio.c @@ -519,7 +519,7 @@ static dma_addr_t vio_dma_iommu_map_page(struct device *dev, struct page *page, { struct vio_dev *viodev = to_vio_dev(dev); struct iommu_table *tbl; - dma_addr_t ret = DMA_ERROR_CODE; + dma_addr_t ret = IOMMU_MAPPING_ERROR; tbl = get_iommu_table_base(dev); if (vio_cmo_alloc(viodev, roundup(size, IOMMU_PAGE_SIZE(tbl)))) { @@ -625,6 +625,7 @@ static const struct dma_map_ops vio_dma_mapping_ops = { .unmap_page = vio_dma_iommu_unmap_page, .dma_supported = vio_dma_iommu_dma_supported, .get_required_mask = vio_dma_get_required_mask, + .mapping_error = dma_iommu_mapping_error, }; /** |