diff options
-rw-r--r-- | arch/frv/include/asm/pci.h | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/arch/frv/include/asm/pci.h b/arch/frv/include/asm/pci.h index 492b5c4dfed6..8c7260a3cd41 100644 --- a/arch/frv/include/asm/pci.h +++ b/arch/frv/include/asm/pci.h | |||
@@ -68,41 +68,4 @@ static inline void pci_dma_burst_advice(struct pci_dev *pdev, | |||
68 | #define PCIBIOS_MIN_IO 0x100 | 68 | #define PCIBIOS_MIN_IO 0x100 |
69 | #define PCIBIOS_MIN_MEM 0x00010000 | 69 | #define PCIBIOS_MIN_MEM 0x00010000 |
70 | 70 | ||
71 | /* Make physical memory consistent for a single | ||
72 | * streaming mode DMA translation after a transfer. | ||
73 | * | ||
74 | * If you perform a pci_map_single() but wish to interrogate the | ||
75 | * buffer using the cpu, yet do not wish to teardown the PCI dma | ||
76 | * mapping, you must call this function before doing so. At the | ||
77 | * next point you give the PCI dma address back to the card, the | ||
78 | * device again owns the buffer. | ||
79 | */ | ||
80 | static inline void pci_dma_sync_single(struct pci_dev *hwdev, | ||
81 | dma_addr_t dma_handle, | ||
82 | size_t size, int direction) | ||
83 | { | ||
84 | BUG_ON(direction == PCI_DMA_NONE); | ||
85 | |||
86 | frv_cache_wback_inv((unsigned long)bus_to_virt(dma_handle), | ||
87 | (unsigned long)bus_to_virt(dma_handle) + size); | ||
88 | } | ||
89 | |||
90 | /* Make physical memory consistent for a set of streaming | ||
91 | * mode DMA translations after a transfer. | ||
92 | * | ||
93 | * The same as pci_dma_sync_single but for a scatter-gather list, | ||
94 | * same rules and usage. | ||
95 | */ | ||
96 | static inline void pci_dma_sync_sg(struct pci_dev *hwdev, | ||
97 | struct scatterlist *sg, | ||
98 | int nelems, int direction) | ||
99 | { | ||
100 | int i; | ||
101 | BUG_ON(direction == PCI_DMA_NONE); | ||
102 | |||
103 | for (i = 0; i < nelems; i++) | ||
104 | frv_cache_wback_inv(sg_dma_address(&sg[i]), | ||
105 | sg_dma_address(&sg[i])+sg_dma_len(&sg[i])); | ||
106 | } | ||
107 | |||
108 | #endif /* _ASM_FRV_PCI_H */ | 71 | #endif /* _ASM_FRV_PCI_H */ |