remove PCI_NEW_DMA_COMPAT_API

use a #include mechanism for generic implementations of the pci_
API in terms of the dma_ one

include/asm-generic/dma-mapping.h

@@ -10,6 +10,8 @@
 /* we implement the API below in terms of the existing PCI one,
  * so include it */
 #include <linux/pci.h>
+/* need struct page definitions */
+#include <linux/mm.h>
 
 static inline int
 dma_supported(struct device *dev, u64 mask)

include/asm-generic/pci-dma-compat.h

+/* include this file if the platform implements the dma_ DMA Mapping API
+ * and wants to provide the pci_ DMA Mapping API in terms of it */
+
+#ifndef _ASM_GENERIC_PCI_DMA_COMPAT_H
+#define _ASM_GENERIC_PCI_DMA_COMPAT_H
+
+#include <linux/dma-mapping.h>
+
+/* note pci_set_dma_mask isn't here, since it's a public function
+ * exported from drivers/pci, use dma_supported instead */
+
+static inline int
+pci_dma_supported(struct pci_dev *hwdev, u64 mask)
+{
+	return dma_supported(&hwdev->dev, mask);
+}
+
+static inline void *
+pci_alloc_consistent(struct pci_dev *hwdev, size_t size,
+		     dma_addr_t *dma_handle)
+{
+	return dma_alloc_coherent(&hwdev->dev, size, dma_handle);
+}
+
+static inline void
+pci_free_consistent(struct pci_dev *hwdev, size_t size,
+		    void *vaddr, dma_addr_t dma_handle)
+{
+	dma_free_coherent(&hwdev->dev, size, vaddr, dma_handle);
+}
+
+static inline dma_addr_t
+pci_map_single(struct pci_dev *hwdev, void *ptr, size_t size, int direction)
+{
+	return dma_map_single(&hwdev->dev, ptr, size, (enum dma_data_direction)direction);
+}
+
+static inline void
+pci_unmap_single(struct pci_dev *hwdev, dma_addr_t dma_addr,
+		 size_t size, int direction)
+{
+	dma_unmap_single(&hwdev->dev, dma_addr, size, (enum dma_data_direction)direction);
+}
+
+static inline dma_addr_t
+pci_map_page(struct pci_dev *hwdev, struct page *page,
+	     unsigned long offset, size_t size, int direction)
+{
+	return dma_map_page(&hwdev->dev, page, offset, size, (enum dma_data_direction)direction);
+}
+
+static inline void
+pci_unmap_page(struct pci_dev *hwdev, dma_addr_t dma_address,
+	       size_t size, int direction)
+{
+	dma_unmap_page(&hwdev->dev, dma_address, size, (enum dma_data_direction)direction);
+}
+
+static inline int
+pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg,
+	   int nents, int direction)
+{
+	return dma_map_sg(&hwdev->dev, sg, nents, (enum dma_data_direction)direction);
+}
+
+static inline void
+pci_unmap_sg(struct pci_dev *hwdev, struct scatterlist *sg,
+	     int nents, int direction)
+{
+	dma_unmap_sg(&hwdev->dev, sg, nents, (enum dma_data_direction)direction);
+}
+
+static inline void
+pci_dma_sync_single(struct pci_dev *hwdev, dma_addr_t dma_handle,
+		    size_t size, int direction)
+{
+	dma_sync_single(&hwdev->dev, dma_handle, size, (enum dma_data_direction)direction);
+}
+
+static inline void
+pci_dma_sync_sg(struct pci_dev *hwdev, struct scatterlist *sg,
+		int nelems, int direction)
+{
+	dma_sync_sg(&hwdev->dev, sg, nelems, (enum dma_data_direction)direction);
+}
+
+#endif

include/asm-i386/pci.h

@@ -6,9 +6,6 @@
 #ifdef __KERNEL__
 #include <linux/mm.h>		/* for struct page */
 
-/* we support the new DMA API, but still provide the old one */
-#define PCI_NEW_DMA_COMPAT_API	1
-
 /* Can be used to override the logic in pci_scan_bus for skipping
    already-configured bus numbers - to be used for buggy BIOSes
    or architectures with incomplete PCI setup by the loader */
@@ -105,4 +102,7 @@ extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
 
 #endif /* __KERNEL__ */
 
+/* implement the pci_ DMA API in terms of the generic device dma_ one */
+#include <asm-generic/pci-dma-compat.h>
+
 #endif /* __i386_PCI_H */

include/linux/pci.h

@@ -834,92 +834,6 @@ extern int pci_pci_problems;
 #define PCIPCI_VIAETBF		8
 #define PCIPCI_VSFX		16
 
-#include <linux/dma-mapping.h>
-
-/* If you define PCI_NEW_DMA_COMPAT_API it means you support the new DMA API
- * and you want the pci_ DMA API to be implemented using it.
- */
-#if defined(PCI_NEW_DMA_COMPAT_API) && defined(CONFIG_PCI)
-
-/* note pci_set_dma_mask isn't here, since it's a public function
- * exported from drivers/pci, use dma_supported instead */
-
-static inline int
-pci_dma_supported(struct pci_dev *hwdev, u64 mask)
-{
-	return dma_supported(&hwdev->dev, mask);
-}
-
-static inline void *
-pci_alloc_consistent(struct pci_dev *hwdev, size_t size,
-		     dma_addr_t *dma_handle)
-{
-	return dma_alloc_coherent(&hwdev->dev, size, dma_handle);
-}
-
-static inline void
-pci_free_consistent(struct pci_dev *hwdev, size_t size,
-		    void *vaddr, dma_addr_t dma_handle)
-{
-	dma_free_coherent(&hwdev->dev, size, vaddr, dma_handle);
-}
-
-static inline dma_addr_t
-pci_map_single(struct pci_dev *hwdev, void *ptr, size_t size, int direction)
-{
-	return dma_map_single(&hwdev->dev, ptr, size, (enum dma_data_direction)direction);
-}
-
-static inline void
-pci_unmap_single(struct pci_dev *hwdev, dma_addr_t dma_addr,
-		 size_t size, int direction)
-{
-	dma_unmap_single(&hwdev->dev, dma_addr, size, (enum dma_data_direction)direction);
-}
-
-static inline dma_addr_t
-pci_map_page(struct pci_dev *hwdev, struct page *page,
-	     unsigned long offset, size_t size, int direction)
-{
-	return dma_map_page(&hwdev->dev, page, offset, size, (enum dma_data_direction)direction);
-}
-
-static inline void
-pci_unmap_page(struct pci_dev *hwdev, dma_addr_t dma_address,
-	       size_t size, int direction)
-{
-	dma_unmap_page(&hwdev->dev, dma_address, size, (enum dma_data_direction)direction);
-}
-
-static inline int
-pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg,
-	   int nents, int direction)
-{
-	return dma_map_sg(&hwdev->dev, sg, nents, (enum dma_data_direction)direction);
-}
-
-static inline void
-pci_unmap_sg(struct pci_dev *hwdev, struct scatterlist *sg,
-	     int nents, int direction)
-{
-	dma_unmap_sg(&hwdev->dev, sg, nents, (enum dma_data_direction)direction);
-}
-
-static inline void
-pci_dma_sync_single(struct pci_dev *hwdev, dma_addr_t dma_handle,
-		    size_t size, int direction)
-{
-	dma_sync_single(&hwdev->dev, dma_handle, size, (enum dma_data_direction)direction);
-}
-
-static inline void
-pci_dma_sync_sg(struct pci_dev *hwdev, struct scatterlist *sg,
-		int nelems, int direction)
-{
-	dma_sync_sg(&hwdev->dev, sg, nelems, (enum dma_data_direction)direction);
-}
-
-#endif
 
 #endif /* __KERNEL__ */
 #endif /* LINUX_PCI_H */