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Diffstat (limited to 'Documentation/MSI-HOWTO.txt')
| -rw-r--r-- | Documentation/MSI-HOWTO.txt | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/Documentation/MSI-HOWTO.txt b/Documentation/MSI-HOWTO.txt index a51f693c1541..256defd7e174 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 | |||
| 236 | MSI-X structure. The implementation of MSI support requires the PCI | 236 | MSI-X structure. The implementation of MSI support requires the PCI |
| 237 | subsystem, not a device driver, to maintain full control of the MSI-X | 237 | subsystem, not a device driver, to maintain full control of the MSI-X |
| 238 | table/MSI-X PBA (Pending Bit Array) and MMIO address space of the MSI-X | 238 | table/MSI-X PBA (Pending Bit Array) and MMIO address space of the MSI-X |
| 239 | table/MSI-X PBA. A device driver is prohibited from requesting the MMIO | 239 | table/MSI-X PBA. A device driver should not access the MMIO address |
| 240 | address space of the MSI-X table/MSI-X PBA. Otherwise, the PCI subsystem | 240 | space of the MSI-X table/MSI-X PBA. |
| 241 | will fail enabling MSI-X on its hardware device when it calls the function | ||
| 242 | pci_enable_msix(). | ||
| 243 | 241 | ||
| 244 | 5.3.2 API pci_enable_msix | 242 | 5.3.2 API pci_enable_msix |
| 245 | 243 | ||