switched into MSI mode.
The device driver must decide what action to take if
-pci_enable_msi_block() returns a value less than the number asked for.
+pci_enable_msi_block() returns a value less than the number requested.
Some devices can make use of fewer interrupts than the maximum they
request; in this case the driver should call pci_enable_msi_block()
again. Note that it is not guaranteed to succeed, even when the