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microblaze: remove dma_nommu_dma_supported

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Always returning 1 is the same behavior as not supplying a method at all.

Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Christoph Hellwig 2017-12-24 15:03:02 +01:00
parent 7e05c19afb
commit a5feb607a0
2 changed files with 0 additions and 13 deletions
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6
arch/microblaze/kernel/dma.c
View File

@ -89,11 +89,6 @@ static int dma_nommu_map_sg(struct device *dev, struct scatterlist *sgl,
return nents;
}
static int dma_nommu_dma_supported(struct device *dev, u64 mask)
{
return 1;
}
static inline dma_addr_t dma_nommu_map_page(struct device *dev,
struct page *page,
unsigned long offset,
@ -209,7 +204,6 @@ const struct dma_map_ops dma_nommu_ops = {
.free = dma_nommu_free_coherent,
.mmap = dma_nommu_mmap_coherent,
.map_sg = dma_nommu_map_sg,
.dma_supported = dma_nommu_dma_supported,
.map_page = dma_nommu_map_page,
.unmap_page = dma_nommu_unmap_page,
.sync_single_for_cpu = dma_nommu_sync_single_for_cpu,

7
arch/parisc/kernel/pci-dma.c
View File

@ -75,11 +75,6 @@ void dump_resmap(void)
static inline void dump_resmap(void) {;}
#endif
static int pa11_dma_supported( struct device *dev, u64 mask)
{
return 1;
}
static inline int map_pte_uncached(pte_t * pte,
unsigned long vaddr,
unsigned long size, unsigned long *paddr_ptr)
@ -579,7 +574,6 @@ static void pa11_dma_cache_sync(struct device *dev, void *vaddr, size_t size,
}
const struct dma_map_ops pcxl_dma_ops = {
.dma_supported = pa11_dma_supported,
.alloc = pa11_dma_alloc,
.free = pa11_dma_free,
.map_page = pa11_dma_map_page,
@ -616,7 +610,6 @@ static void pcx_dma_free(struct device *dev, size_t size, void *vaddr,
}
const struct dma_map_ops pcx_dma_ops = {
.dma_supported = pa11_dma_supported,
.alloc = pcx_dma_alloc,
.free = pcx_dma_free,
.map_page = pa11_dma_map_page,