Commit c1f03776 authored by Christoph Hellwig's avatar Christoph Hellwig
Browse files

tile: remove dma_supported and mapping_error methods 



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

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent a88f5401

arch/tile/kernel/pci-dma.c

+0 −30
Original line number Diff line number Diff line
@@ -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;