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| author |   Ingo Molnar <mingo@elte.hu> | 2009-01-10 12:04:41 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-01-10 12:04:41 +0100 |
| commit | b17304245f0db0ac69b795c411407808f3f2796d (patch) | |
| tree | 63ed3915d9295bd08f640bf25c322064ba787fad /Documentation/PCI/pci.txt | |
| parent | bzip2/lzma: centralize format detection (diff) | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/arjan/linux-2.6-async-2 (diff) | |
| download | linux-dev-b17304245f0db0ac69b795c411407808f3f2796d.tar.xz linux-dev-b17304245f0db0ac69b795c411407808f3f2796d.zip | |
Merge branch 'linus' into x86/setup-lzma
Conflicts:
init/do_mounts_rd.c
Diffstat (limited to 'Documentation/PCI/pci.txt')
| -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 fd4907a2968c..7f6de6ea5b47 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 |