aboutsummaryrefslogtreecommitdiffstats
path: root/Documentation/DMA-mapping.txt
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/DMA-mapping.txt')
-rw-r--r--Documentation/DMA-mapping.txt8
1 files changed, 4 insertions, 4 deletions
diff --git a/Documentation/DMA-mapping.txt b/Documentation/DMA-mapping.txt
index 7c717699032c..63392c9132b4 100644
--- a/Documentation/DMA-mapping.txt
+++ b/Documentation/DMA-mapping.txt
@@ -698,12 +698,12 @@ these interfaces. Remember that, as defined, consistent mappings are
698always going to be SAC addressable. 698always going to be SAC addressable.
699 699
700The first thing your driver needs to do is query the PCI platform 700The first thing your driver needs to do is query the PCI platform
701layer with your devices DAC addressing capabilities: 701layer if it is capable of handling your devices DAC addressing
702capabilities:
702 703
703 int pci_dac_set_dma_mask(struct pci_dev *pdev, u64 mask); 704 int pci_dac_dma_supported(struct pci_dev *hwdev, u64 mask);
704 705
705This routine behaves identically to pci_set_dma_mask. You may not 706You may not use the following interfaces if this routine fails.
706use the following interfaces if this routine fails.
707 707
708Next, DMA addresses using this API are kept track of using the 708Next, DMA addresses using this API are kept track of using the
709dma64_addr_t type. It is guaranteed to be big enough to hold any 709dma64_addr_t type. It is guaranteed to be big enough to hold any