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tile: remove dma_supported and mapping_error methods

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These just duplicate the default behavior if no method is provided.

Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Christoph Hellwig 2017-05-22 12:02:58 +02:00
parent a88f540101
commit c1f0377632
1 changed files with 0 additions and 30 deletions
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30
arch/tile/kernel/pci-dma.c
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@ -317,18 +317,6 @@ static void tile_dma_sync_sg_for_device(struct device *dev,
}
}
static inline int
tile_dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
{
return 0;
}
static inline int
tile_dma_supported(struct device *dev, u64 mask)
{
return 1;
}
static const struct dma_map_ops tile_default_dma_map_ops = {
.alloc = tile_dma_alloc_coherent,
.free = tile_dma_free_coherent,
@ -340,8 +328,6 @@ static const struct dma_map_ops tile_default_dma_map_ops = {
.sync_single_for_device = tile_dma_sync_single_for_device,
.sync_sg_for_cpu = tile_dma_sync_sg_for_cpu,
.sync_sg_for_device = tile_dma_sync_sg_for_device,
.mapping_error = tile_dma_mapping_error,
.dma_supported = tile_dma_supported
};
const struct dma_map_ops *tile_dma_map_ops = &tile_default_dma_map_ops;
@ -504,18 +490,6 @@ static void tile_pci_dma_sync_sg_for_device(struct device *dev,
}
}
static inline int
tile_pci_dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
{
return 0;
}
static inline int
tile_pci_dma_supported(struct device *dev, u64 mask)
{
return 1;
}
static const struct dma_map_ops tile_pci_default_dma_map_ops = {
.alloc = tile_pci_dma_alloc_coherent,
.free = tile_pci_dma_free_coherent,
@ -527,8 +501,6 @@ static const struct dma_map_ops tile_pci_default_dma_map_ops = {
.sync_single_for_device = tile_pci_dma_sync_single_for_device,
.sync_sg_for_cpu = tile_pci_dma_sync_sg_for_cpu,
.sync_sg_for_device = tile_pci_dma_sync_sg_for_device,
.mapping_error = tile_pci_dma_mapping_error,
.dma_supported = tile_pci_dma_supported
};
const struct dma_map_ops *gx_pci_dma_map_ops = &tile_pci_default_dma_map_ops;
@ -578,8 +550,6 @@ static const struct dma_map_ops pci_hybrid_dma_ops = {
.sync_single_for_device = tile_pci_dma_sync_single_for_device,
.sync_sg_for_cpu = tile_pci_dma_sync_sg_for_cpu,
.sync_sg_for_device = tile_pci_dma_sync_sg_for_device,
.mapping_error = tile_pci_dma_mapping_error,
.dma_supported = tile_pci_dma_supported
};
const struct dma_map_ops *gx_legacy_pci_dma_map_ops = &pci_swiotlb_dma_ops;