diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-01-11 15:34:05 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-01-11 15:34:05 +0100 |
| commit | d19b85db9d5c44a4c21dcb10d6fbadaa4425ab2a (patch) | |
| tree | 250be7a5a29069f7d1f4524fa45ab0e988833025 /Documentation/PCI/pci.txt | |
| parent | 490dea45d00f01847ebebd007685d564aaf2cd98 (diff) | |
| parent | c59765042f53a79a7a65585042ff463b69cb248c (diff) | |
Merge commit 'v2.6.29-rc1' into timers/urgent
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 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 |