summaryrefslogtreecommitdiff
path: root/Documentation/PCI
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/PCI')
-rw-r--r--Documentation/PCI/MSI-HOWTO.txt2
1 files changed, 1 insertions, 1 deletions
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.