X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=Documentation%2FMSI-HOWTO.txt;h=0d8240774fca2d3bc00454ce5bc65ec20fe09e2e;hb=4bec0b9155d6757847b754e21b55ecafcecef839;hp=d389388c733e6c718f87de37a885132af6519930;hpb=c3e59d1e891f6140a346de2b8547e25133c716b0;p=linux-2.6-omap-h63xx.git diff --git a/Documentation/MSI-HOWTO.txt b/Documentation/MSI-HOWTO.txt index d389388c733..0d8240774fc 100644 --- a/Documentation/MSI-HOWTO.txt +++ b/Documentation/MSI-HOWTO.txt @@ -480,8 +480,8 @@ The PCI stack provides 3 possible levels of MSI disabling: 6.1. Disabling MSI on a single device -Under some circumstances, it might be required to disable MSI on a -single device, It may be achived by either not calling pci_enable_msi() +Under some circumstances it might be required to disable MSI on a +single device. This may be achieved by either not calling pci_enable_msi() or all, or setting the pci_dev->no_msi flag before (most of the time in a quirk). @@ -492,7 +492,7 @@ being able to route MSI between busses. In this case, MSI have to be disabled on all devices behind this bridge. It is achieves by setting the PCI_BUS_FLAGS_NO_MSI flag in the pci_bus->bus_flags of the bridge subordinate bus. There is no need to set the same flag on bridges that -are below the broken brigde. When pci_enable_msi() is called to enable +are below the broken bridge. When pci_enable_msi() is called to enable MSI on a device, pci_msi_supported() takes care of checking the NO_MSI flag in all parent busses of the device.