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r: 32648
b: refs/heads/master
c: b9432e4
h: refs/heads/master
v: v3
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Rolf Eike Beer authored and Linus Torvalds committed Jul 15, 2006
1 parent 73ef0b2 commit bf4a98b
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2 changes: 1 addition & 1 deletion [refs]
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refs/heads/master: d247e2c661f28a21e5f9a8d672e1e88a7c1c5d4a
refs/heads/master: b9432e4d8866606466117664472c58ac981ea4f4
8 changes: 4 additions & 4 deletions trunk/Documentation/DMA-mapping.txt
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Expand Up @@ -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
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