microblaze: remove dma_nommu_dma_supported

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

Signed-off-by: Christoph Hellwig <hch@lst.de>

diff --git a/arch/microblaze/kernel/dma.c b/arch/microblaze/kernel/dma.c
index 450803e..b45d8f8 100644 (file)
--- a/arch/microblaze/kernel/dma.c
+++ b/arch/microblaze/kernel/dma.c
@@ -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,

diff --git a/arch/parisc/kernel/pci-dma.c b/arch/parisc/kernel/pci-dma.c
index c0dfd89..91bc0ca 100644 (file)
--- a/arch/parisc/kernel/pci-dma.c
+++ b/arch/parisc/kernel/pci-dma.c
@@ -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,