pci-dma: alpha: use include/linux/pci-dma.h

Signed-off-by: NFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Acked-by: NMatt Turner <mattst88@gmail.com>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

arch/alpha/Kconfig

@@ -58,6 +58,9 @@ config ZONE_DMA
 	bool
 	default y
 
+config NEED_DMA_MAP_STATE
+       def_bool y
+
 config GENERIC_ISA_DMA
 	bool
 	default y

arch/alpha/include/asm/pci.h

@@ -119,19 +119,7 @@ pci_dma_mapping_error(struct pci_dev *pdev, dma_addr_t dma_addr)
 extern void pci_unmap_single(struct pci_dev *, dma_addr_t, size_t, int);
 extern void pci_unmap_page(struct pci_dev *, dma_addr_t, size_t, int);
 
-/* pci_unmap_{single,page} is not a nop, thus... */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)	\
-	dma_addr_t ADDR_NAME;
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)		\
-	__u32 LEN_NAME;
-#define pci_unmap_addr(PTR, ADDR_NAME)			\
-	((PTR)->ADDR_NAME)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)		\
-	(((PTR)->ADDR_NAME) = (VAL))
-#define pci_unmap_len(PTR, LEN_NAME)			\
-	((PTR)->LEN_NAME)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)		\
-	(((PTR)->LEN_NAME) = (VAL))
+#include <linux/pci-dma.h>
 
 /* Map a set of buffers described by scatterlist in streaming mode for
    PCI DMA.  This is the scatter-gather version of the above