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| author | Jan Beulich <jbeulich@novell.com> | 2007-07-09 11:55:51 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2007-07-11 16:02:11 -0700 |
| commit | caa5171622c8fef70fa20d2d74f4326866039df9 (patch) | |
| tree | eee98d71a3d57db4fcadd6bcca2612b64c367083 /include/asm-x86_64 | |
| parent | b7b095c154c50ee753832bbf78e8690c492fc8f6 (diff) | |
| download | op-kernel-dev-caa5171622c8fef70fa20d2d74f4326866039df9.zip op-kernel-dev-caa5171622c8fef70fa20d2d74f4326866039df9.tar.gz | |
PCI: remove pci_dac_dma_... APIs
Based on replies to a respective query, remove the pci_dac_dma_...() APIs
(except for pci_dac_dma_supported() on Alpha, where this function is used
in non-DAC PCI DMA code).
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Cc: Andi Kleen <ak@suse.de>
Cc: Jesse Barnes <jesse.barnes@intel.com>
Cc: Christoph Hellwig <hch@infradead.org>
Acked-by: David Miller <davem@davemloft.net>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include/asm-x86_64')
| -rw-r--r-- | include/asm-x86_64/pci.h | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/include/asm-x86_64/pci.h b/include/asm-x86_64/pci.h index d95c9e7..bda94fd 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, |
