Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[pandora-kernel.git] / Documentation / PCI / pci.txt

diff --git a/Documentation/PCI/pci.txt b/Documentation/PCI/pci.txt
index fd4907a..6148d40 100644 (file)
--- 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
@@ -580,7 +581,7 @@ to be handled by platform and generic code, not individual drivers.
 8. Vendor and device identifications
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-One is not not required to add new device ids to include/linux/pci_ids.h.
+One is not required to add new device ids to include/linux/pci_ids.h.
 Please add PCI_VENDOR_ID_xxx for vendors and a hex constant for device ids.
 
 PCI_VENDOR_ID_xxx constants are re-used. The device ids are arbitrary