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authorChristoph Hellwig <hch@lst.de>2018-09-17 19:10:29 +0200
committerTony Luck <tony.luck@intel.com>2018-09-17 10:15:46 -0700
commit1322d51c0e5f5d6a6c13573a9347beb9fa154111 (patch)
tree4007477d0c842656701e0d659680164b82308a6a /arch/ia64/sn
parent361a2ab91b0f925779c98f32a01e5ed27dc8d261 (diff)
ia64/sn2: remove no-ops dma sync methods
These do nothing but duplicating an assert that would have triggered earlier on setting the dma mask, so remove them. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/ia64/sn')
-rw-r--r--arch/ia64/sn/pci/pci_dma.c29
1 files changed, 0 insertions, 29 deletions
diff --git a/arch/ia64/sn/pci/pci_dma.c b/arch/ia64/sn/pci/pci_dma.c
index 74c934a997bb..3b944fba0a3e 100644
--- a/arch/ia64/sn/pci/pci_dma.c
+++ b/arch/ia64/sn/pci/pci_dma.c
@@ -314,31 +314,6 @@ static int sn_dma_map_sg(struct device *dev, struct scatterlist *sgl,
return nhwentries;
}
-static void sn_dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle,
- size_t size, enum dma_data_direction dir)
-{
- BUG_ON(!dev_is_pci(dev));
-}
-
-static void sn_dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle,
- size_t size,
- enum dma_data_direction dir)
-{
- BUG_ON(!dev_is_pci(dev));
-}
-
-static void sn_dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,
- int nelems, enum dma_data_direction dir)
-{
- BUG_ON(!dev_is_pci(dev));
-}
-
-static void sn_dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg,
- int nelems, enum dma_data_direction dir)
-{
- BUG_ON(!dev_is_pci(dev));
-}
-
static int sn_dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
{
return 0;
@@ -467,10 +442,6 @@ static struct dma_map_ops sn_dma_ops = {
.unmap_page = sn_dma_unmap_page,
.map_sg = sn_dma_map_sg,
.unmap_sg = sn_dma_unmap_sg,
- .sync_single_for_cpu = sn_dma_sync_single_for_cpu,
- .sync_sg_for_cpu = sn_dma_sync_sg_for_cpu,
- .sync_single_for_device = sn_dma_sync_single_for_device,
- .sync_sg_for_device = sn_dma_sync_sg_for_device,
.mapping_error = sn_dma_mapping_error,
.dma_supported = sn_dma_supported,
};