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Commit e14bd7e6 authored by Michael Witten's avatar Michael Witten
Browse files

Docs: MSI-HOWTO: Insert a comma 



Signed-off-by: default avatarMichael Witten <mfwitten@gmail.com>
Acked-by: default avatarMatthew Wilcox <matthew.r.wilcox@intel.com>
Signed-off-by: default avatarRandy Dunlap <rdunlap@xenotime.net>
parent e6ffceb0

Documentation/PCI/MSI-HOWTO.txt

+1 −1
Original line number Diff line number Diff line
@@ -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.