diff options
Diffstat (limited to 'arch/microblaze/kernel')
| -rw-r--r-- | arch/microblaze/kernel/dma.c | 22 |
1 files changed, 3 insertions, 19 deletions
diff --git a/arch/microblaze/kernel/dma.c b/arch/microblaze/kernel/dma.c index 393e6b2db688..595130bceadd 100644 --- a/arch/microblaze/kernel/dma.c +++ b/arch/microblaze/kernel/dma.c @@ -11,7 +11,6 @@ #include <linux/gfp.h> #include <linux/dma-debug.h> #include <asm/bug.h> -#include <asm/cacheflush.h> /* * Generic direct DMA implementation @@ -21,21 +20,6 @@ * can set archdata.dma_data to an unsigned long holding the offset. By * default the offset is PCI_DRAM_OFFSET. */ -static inline void __dma_sync_page(unsigned long paddr, unsigned long offset, - size_t size, enum dma_data_direction direction) -{ - switch (direction) { - case DMA_TO_DEVICE: - case DMA_BIDIRECTIONAL: - flush_dcache_range(paddr + offset, paddr + offset + size); - break; - case DMA_FROM_DEVICE: - invalidate_dcache_range(paddr + offset, paddr + offset + size); - break; - default: - BUG(); - } -} static unsigned long get_dma_direct_offset(struct device *dev) { @@ -91,7 +75,7 @@ static int dma_direct_map_sg(struct device *dev, struct scatterlist *sgl, /* FIXME this part of code is untested */ for_each_sg(sgl, sg, nents, i) { sg->dma_address = sg_phys(sg) + get_dma_direct_offset(dev); - __dma_sync_page(page_to_phys(sg_page(sg)), sg->offset, + __dma_sync(page_to_phys(sg_page(sg)) + sg->offset, sg->length, direction); } @@ -116,7 +100,7 @@ static inline dma_addr_t dma_direct_map_page(struct device *dev, enum dma_data_direction direction, struct dma_attrs *attrs) { - __dma_sync_page(page_to_phys(page), offset, size, direction); + __dma_sync(page_to_phys(page) + offset, size, direction); return page_to_phys(page) + offset + get_dma_direct_offset(dev); } @@ -131,7 +115,7 @@ static inline void dma_direct_unmap_page(struct device *dev, * phys_to_virt is here because in __dma_sync_page is __virt_to_phys and * dma_address is physical address */ - __dma_sync_page(dma_address, 0 , size, direction); + __dma_sync(dma_address, size, direction); } struct dma_map_ops dma_direct_ops = { |