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| author | David Vrabel <david.vrabel@csr.com> | 2009-01-22 19:12:32 +0000 |
|---|---|---|
| committer | David Vrabel <david.vrabel@csr.com> | 2009-01-22 19:12:32 +0000 |
| commit | dff243f7cb3a2ebbb09093066c1bc4a90ff5b3a4 (patch) | |
| tree | 1c63e7c2f879cd322ca785671b74b4ff796dd24c /Documentation/PCI | |
| parent | a5e6ced58d423cb09c4fc0087dcfdb0b5deb5e1c (diff) | |
| parent | f3b8436ad9a8ad36b3c9fa1fe030c7f38e5d3d0b (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-upstream
Diffstat (limited to 'Documentation/PCI')
| -rw-r--r-- | Documentation/PCI/pci.txt | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/PCI/pci.txt b/Documentation/PCI/pci.txt index fd4907a2968..7f6de6ea5b4 100644 --- a/Documentation/PCI/pci.txt +++ b/Documentation/PCI/pci.txt @@ -294,7 +294,8 @@ NOTE: pci_enable_device() can fail! Check the return value. pci_set_master() will enable DMA by setting the bus master bit in the PCI_COMMAND register. It also fixes the latency timer value if -it's set to something bogus by the BIOS. +it's set to something bogus by the BIOS. pci_clear_master() will +disable DMA by clearing the bus master bit. If the PCI device can use the PCI Memory-Write-Invalidate transaction, call pci_set_mwi(). This enables the PCI_COMMAND bit for Mem-Wr-Inval |