X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=Documentation%2FDMA-mapping.txt;h=028614cdd0624291f630d3cdda899cf02335ed2b;hb=d4b2bab4f26345ea1803feb23ea92fbe3f6b77bc;hp=7c717699032c90f403432ef793cfeed8c359fe7b;hpb=1d73135e55c47ca909c1fbd68f45623b16dc0211;p=powerpc.git

diff --git a/Documentation/DMA-mapping.txt b/Documentation/DMA-mapping.txt
index 7c71769903..028614cdd0 100644
--- a/Documentation/DMA-mapping.txt
+++ b/Documentation/DMA-mapping.txt
@@ -107,7 +107,7 @@ The query is performed via a call to pci_set_dma_mask():
 
 	int pci_set_dma_mask(struct pci_dev *pdev, u64 device_mask);
 
-The query for consistent allocations is performed via a a call to
+The query for consistent allocations is performed via a call to
 pci_set_consistent_dma_mask():
 
 	int pci_set_consistent_dma_mask(struct pci_dev *pdev, u64 device_mask);
@@ -117,7 +117,7 @@ device_mask is a bit mask describing which bits of a PCI address your
 device supports.  It returns zero if your card can perform DMA
 properly on the machine given the address mask you provided.
 
-If it returns non-zero, your device can not perform DMA properly on
+If it returns non-zero, your device cannot perform DMA properly on
 this platform, and attempting to do so will result in undefined
 behavior.  You must either use a different mask, or not use DMA.
 
@@ -698,12 +698,12 @@ these interfaces.  Remember that, as defined, consistent mappings are
 always going to be SAC addressable.
 
 The first thing your driver needs to do is query the PCI platform
-layer with your devices DAC addressing capabilities:
+layer if it is capable of handling your devices DAC addressing
+capabilities:
 
-	int pci_dac_set_dma_mask(struct pci_dev *pdev, u64 mask);
+	int pci_dac_dma_supported(struct pci_dev *hwdev, u64 mask);
 
-This routine behaves identically to pci_set_dma_mask.  You may not
-use the following interfaces if this routine fails.
+You may not use the following interfaces if this routine fails.
 
 Next, DMA addresses using this API are kept track of using the
 dma64_addr_t type.  It is guaranteed to be big enough to hold any