redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

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

Signed-off-by: Michael Witten <mfwitten@gmail.com>
Acked-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
hifive-unleashed-5.1
Michael Witten 2011-07-14 21:54:18 +00:00
parent ed737c1882
commit 6457d9b350
1 changed files with 3 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
Documentation/PCI/MSI-HOWTO.txt
View File

@ -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.