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[v2,3/7] dma-mapping: pci: add pci_(un)map_resource

Message ID 1431973504-5903-4-git-send-email-wdavis@nvidia.com
State Not Applicable
Headers show

Commit Message

wdavis@nvidia.com May 18, 2015, 6:25 p.m. UTC 
From: Will Davis <wdavis@nvidia.com>

Simply route these through to the new dma_(un)map_resource APIs.

Signed-off-by: Will Davis <wdavis@nvidia.com>
Reviewed-by: Terence Ripperda <tripperda@nvidia.com>
Reviewed-by: John Hubbard <jhubbard@nvidia.com>
---
 include/asm-generic/pci-dma-compat.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
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Patch

diff --git a/include/asm-generic/pci-dma-compat.h b/include/asm-generic/pci-dma-compat.h
index c110843..ac4a4ad 100644
--- a/include/asm-generic/pci-dma-compat.h
+++ b/include/asm-generic/pci-dma-compat.h
@@ -61,6 +61,20 @@  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);
 }
 
+static inline dma_addr_t
+pci_map_resource(struct pci_dev *hwdev, struct resource *resource,
+		 unsigned long offset, size_t size, int direction)
+{
+	return dma_map_resource(hwdev == NULL ? NULL : &hwdev->dev, resource, offset, size, (enum dma_data_direction)direction);
+}
+
+static inline void
+pci_unmap_resource(struct pci_dev *hwdev, dma_addr_t dma_address, size_t size,
+		   int direction)
+{
+	dma_unmap_resource(hwdev == NULL ? NULL : &hwdev->dev, dma_address, size, (enum dma_data_direction)direction);
+}
+
 static inline int
 pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg,
 	   int nents, int direction)