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Diffstat (limited to 'arch/c6x/mm/dma-coherent.c')
-rw-r--r--arch/c6x/mm/dma-coherent.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/arch/c6x/mm/dma-coherent.c b/arch/c6x/mm/dma-coherent.c
index 75b79571732c..0be289839ce0 100644
--- a/arch/c6x/mm/dma-coherent.c
+++ b/arch/c6x/mm/dma-coherent.c
@@ -121,8 +121,6 @@ void arch_dma_free(struct device *dev, size_t size, void *vaddr,
*/
void __init coherent_mem_init(phys_addr_t start, u32 size)
{
- phys_addr_t bitmap_phys;
-
if (!size)
return;
@@ -138,11 +136,8 @@ void __init coherent_mem_init(phys_addr_t start, u32 size)
if (dma_size & (PAGE_SIZE - 1))
++dma_pages;
- bitmap_phys = memblock_phys_alloc(BITS_TO_LONGS(dma_pages) * sizeof(long),
- sizeof(long));
-
- dma_bitmap = phys_to_virt(bitmap_phys);
- memset(dma_bitmap, 0, dma_pages * PAGE_SIZE);
+ dma_bitmap = memblock_alloc(BITS_TO_LONGS(dma_pages) * sizeof(long),
+ sizeof(long));
}
static void c6x_dma_sync(struct device *dev, phys_addr_t paddr, size_t size,