From e14bd7e614b57493e1cbefb8a06d3754bdd04e26 Mon Sep 17 00:00:00 2001 From: Michael Witten Date: Fri, 15 Jul 2011 03:12:13 +0000 Subject: Docs: MSI-HOWTO: Insert a comma Signed-off-by: Michael Witten Acked-by: Matthew Wilcox Signed-off-by: Randy Dunlap --- Documentation/PCI/MSI-HOWTO.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'Documentation/PCI') diff --git a/Documentation/PCI/MSI-HOWTO.txt b/Documentation/PCI/MSI-HOWTO.txt index d9c8d989f2b3..c9cffaf16f82 100644 --- a/Documentation/PCI/MSI-HOWTO.txt +++ b/Documentation/PCI/MSI-HOWTO.txt @@ -231,7 +231,7 @@ mask or unmask an interrupt, it should call disable_irq() / enable_irq(). 4.4 Handling devices implementing both MSI and MSI-X capabilities If a device implements both MSI and MSI-X capabilities, it can -run in either MSI mode or MSI-X mode but not both simultaneously. +run in either MSI mode or MSI-X mode, but not both simultaneously. This is a requirement of the PCI spec, and it is enforced by the PCI layer. Calling pci_enable_msi() when MSI-X is already enabled or pci_enable_msix() when MSI is already enabled results in an error. -- cgit v1.2.3-59-g8ed1b