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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>
This commit is contained in:
Christoph Hellwig 2018-09-17 19:10:29 +02:00 committed by Tony Luck
parent 361a2ab91b
commit 1322d51c0e
1 changed files with 0 additions and 29 deletions
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29
arch/ia64/sn/pci/pci_dma.c
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@ -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,
};