diff --git a/Documentation/MSI-HOWTO.txt b/Documentation/MSI-HOWTO.txt index a51f693c15419e9b2da87df025b69d898f648b51..256defd7e1742be45497e1bcc8912d493241c5af 100644 --- a/Documentation/MSI-HOWTO.txt +++ b/Documentation/MSI-HOWTO.txt @@ -236,10 +236,8 @@ software system can set different pages for controlling accesses to the MSI-X structure. The implementation of MSI support requires the PCI subsystem, not a device driver, to maintain full control of the MSI-X table/MSI-X PBA (Pending Bit Array) and MMIO address space of the MSI-X -table/MSI-X PBA. A device driver is prohibited from requesting the MMIO -address space of the MSI-X table/MSI-X PBA. Otherwise, the PCI subsystem -will fail enabling MSI-X on its hardware device when it calls the function -pci_enable_msix(). +table/MSI-X PBA. A device driver should not access the MMIO address +space of the MSI-X table/MSI-X PBA. 5.3.2 API pci_enable_msix