PCI: remove pci_dac_dma_... APIs

[safe/jmp/linux-2.6] / include / asm-x86_64 / pci.h

diff --git a/include/asm-x86_64/pci.h b/include/asm-x86_64/pci.h
index 4dbc07c..bda94fd 100644 (file)
--- a/include/asm-x86_64/pci.h
+++ b/include/asm-x86_64/pci.h
@@ -52,15 +52,7 @@ extern int iommu_setup(char *opt);
  */
 #define PCI_DMA_BUS_IS_PHYS (dma_ops->is_phys)
 
-#ifdef CONFIG_IOMMU
-
-/*
- * x86-64 always supports DAC, but sometimes it is useful to force
- * devices through the IOMMU to get automatic sg list merging.
- * Optional right now.
- */
-extern int iommu_sac_force;
-#define pci_dac_dma_supported(pci_dev, mask)   (!iommu_sac_force)
+#if defined(CONFIG_IOMMU) || defined(CONFIG_CALGARY_IOMMU)
 
 #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)      \
        dma_addr_t ADDR_NAME;
@@ -78,8 +70,6 @@ extern int iommu_sac_force;
 #else
 /* No IOMMU */
 
-#define pci_dac_dma_supported(pci_dev, mask)    1
-
 #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
 #define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
 #define pci_unmap_addr(PTR, ADDR_NAME)         (0)
@@ -91,36 +81,6 @@ extern int iommu_sac_force;
 
 #include <asm-generic/pci-dma-compat.h>
 
-static inline dma64_addr_t
-pci_dac_page_to_dma(struct pci_dev *pdev, struct page *page, unsigned long offset, int direction)
-{
-       return ((dma64_addr_t) page_to_phys(page) +
-               (dma64_addr_t) offset);
-}
-
-static inline struct page *
-pci_dac_dma_to_page(struct pci_dev *pdev, dma64_addr_t dma_addr)
-{
-       return virt_to_page(__va(dma_addr));    
-}
-
-static inline unsigned long
-pci_dac_dma_to_offset(struct pci_dev *pdev, dma64_addr_t dma_addr)
-{
-       return (dma_addr & ~PAGE_MASK);
-}
-
-static inline void
-pci_dac_dma_sync_single_for_cpu(struct pci_dev *pdev, dma64_addr_t dma_addr, size_t len, int direction)
-{
-}
-
-static inline void
-pci_dac_dma_sync_single_for_device(struct pci_dev *pdev, dma64_addr_t dma_addr, size_t len, int direction)
-{
-       flush_write_buffers();
-}
-
 #ifdef CONFIG_PCI
 static inline void pci_dma_burst_advice(struct pci_dev *pdev,
                                        enum pci_dma_burst_strategy *strat,
@@ -135,10 +95,6 @@ static inline void pci_dma_burst_advice(struct pci_dev *pdev,
 extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
                               enum pci_mmap_state mmap_state, int write_combine);
 
-static inline void pcibios_add_platform_entries(struct pci_dev *dev)
-{
-}
-
 #endif /* __KERNEL__ */
 
 /* generic pci stuff */