doc: fix typo in feature-removal-schedule

[linux-2.6] / Documentation / pci.txt

diff --git a/Documentation/pci.txt b/Documentation/pci.txt
index 7d3da30ff0b42fff5349c0132bf7bbe3803fcbdf..7754f5aea4e9b0bdd62280fb4f9fe88b23dce3fc 100644 (file)
--- a/Documentation/pci.txt
+++ b/Documentation/pci.txt
@@ -296,7 +296,10 @@ 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
 and also ensures that the cache line size register is set correctly.
 Check the return value of pci_set_mwi() as not all architectures
-or chip-sets may support Memory-Write-Invalidate.
+or chip-sets may support Memory-Write-Invalidate.  Alternatively,
+if Mem-Wr-Inval would be nice to have but is not required, call
+pci_try_set_mwi() to have the system do its best effort at enabling
+Mem-Wr-Inval.
 
 
 3.2 Request MMIO/IOP resources