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Diffstat (limited to 'include/asm-x86_64/pci.h')
-rw-r--r--include/asm-x86_64/pci.h40
1 files changed, 0 insertions, 40 deletions
diff --git a/include/asm-x86_64/pci.h b/include/asm-x86_64/pci.h
index d95c9e78fe1d..bda94fd5176f 100644
--- a/include/asm-x86_64/pci.h
+++ b/include/asm-x86_64/pci.h
@@ -54,14 +54,6 @@ extern int iommu_setup(char *opt);
#if defined(CONFIG_IOMMU) || defined(CONFIG_CALGARY_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)
-
#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) \
dma_addr_t ADDR_NAME;
#define DECLARE_PCI_UNMAP_LEN(LEN_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,