Simply route these through to the new dma_(un)map_peer_resource APIs. Also route pci_peer_mapping_error through to the new dma_peer_mapping_error API. Guard these new functions behind CONFIG_HAS_DMA_P2P. Signed-off-by: Will Davis <wdavis@xxxxxxxxxx> Reviewed-by: Terence Ripperda <tripperda@xxxxxxxxxx> Reviewed-by: John Hubbard <jhubbard@xxxxxxxxxx> --- include/asm-generic/pci-dma-compat.h | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/include/asm-generic/pci-dma-compat.h b/include/asm-generic/pci-dma-compat.h index c110843..7baf09e 100644 --- a/include/asm-generic/pci-dma-compat.h +++ b/include/asm-generic/pci-dma-compat.h @@ -61,6 +61,29 @@ pci_unmap_page(struct pci_dev *hwdev, dma_addr_t dma_address, dma_unmap_page(hwdev == NULL ? NULL : &hwdev->dev, dma_address, size, (enum dma_data_direction)direction); } +#ifdef CONFIG_HAS_DMA_P2P +static inline dma_peer_addr_t +pci_map_peer_resource(struct pci_dev *hwdev, struct pci_dev *peer, + int res, unsigned long offset, size_t size, + int direction) +{ + return dma_map_peer_resource(hwdev == NULL ? NULL : &hwdev->dev, peer == NULL ? NULL : &peer->dev, peer == NULL ? NULL : &peer->resource[res], offset, size, (enum dma_data_direction)direction); +} + +static inline int +pci_dma_peer_mapping_error(struct pci_dev *pdev, dma_peer_addr_t dma_addr) +{ + return dma_peer_mapping_error(&pdev->dev, dma_addr); +} + +static inline void +pci_unmap_peer_resource(struct pci_dev *hwdev, dma_peer_addr_t dma_address, + size_t size, int direction) +{ + dma_unmap_peer_resource(hwdev == NULL ? NULL : &hwdev->dev, dma_address, size, (enum dma_data_direction)direction); +} +#endif + static inline int pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg, int nents, int direction) -- 2.5.1 -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html