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Commit 6457d9b3 authored by Michael Witten's avatar Michael Witten
Browse files

Docs: MSI-HOWTO: Move a sentence to another paragraph 



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 ed737c18

Documentation/PCI/MSI-HOWTO.txt

+3 −4
Original line number Diff line number Diff line
@@ -171,7 +171,8 @@ which should be at least 'nvec' entries in size. On success, the 
device is switched into MSI-X mode and the function returns 0.

The 'vector' member in each entry is populated with the interrupt number;

the driver should then call request_irq() for each 'vector' that it

decides to use.

decides to use.  The device driver is responsible for keeping track of the

interrupts assigned to the MSI-X vectors so it can free them again later.



If this function returns a negative number, it indicates an error and

the driver should not attempt to allocate any more MSI-X interrupts for
@@ -181,9 +182,7 @@ below. 


This function, in contrast with pci_enable_msi(), does not adjust

dev->irq.  The device will not generate interrupts for this interrupt

number once MSI-X is enabled.  The device driver is responsible for

keeping track of the interrupts assigned to the MSI-X vectors so it can

free them again later.

number once MSI-X is enabled.



Device drivers should normally call this function once per device

during the initialization phase.