x86: implement dma_map_single through dma_ops

That's already the name of the game for x86_64. For i386,
we add a pci-base_32.c, that will hold the default operations.
The function call itself goes through dma-mapping.h , the common
header

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 0 insertions, 10 deletions

diff --git a/include/asm-x86/dma-mapping_32.h b/include/asm-x86/dma-mapping_32.h
index 55f01bd9e556..b496306d5e98 100644
--- a/include/asm-x86/dma-mapping_32.h
+++ b/include/asm-x86/dma-mapping_32.h
@@ -17,16 +17,6 @@ void *dma_alloc_coherent(struct device *dev, size_t size,
 void dma_free_coherent(struct device *dev, size_t size,
                          void *vaddr, dma_addr_t dma_handle);
 
-static inline dma_addr_t
-dma_map_single(struct device *dev, void *ptr, size_t size,
-               enum dma_data_direction direction)
-{
-        BUG_ON(!valid_dma_direction(direction));
-        WARN_ON(size == 0);
-        flush_write_buffers();
-        return virt_to_phys(ptr);
-}
-
 static inline void
 dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
                  enum dma_data_direction direction)