diff options
| author | Michael Witten | 2011-07-14 21:54:18 +0000 |
|---|---|---|
| committer | Michael Witten | 2011-08-02 21:34:35 +0000 |
| commit | 6457d9b350b3f4f2098984eee016c6c994b9c096 (patch) | |
| tree | 9a3674624e313162c44eab3d4f55a15bf8df3bfb /Documentation | |
| parent | ed737c1882c652f0b5a888df59895b5dc2d10cd7 (diff) | |
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>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/PCI/MSI-HOWTO.txt | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/Documentation/PCI/MSI-HOWTO.txt b/Documentation/PCI/MSI-HOWTO.txt index c504f12bcc61..28d1ceeea655 100644 --- a/Documentation/PCI/MSI-HOWTO.txt +++ b/Documentation/PCI/MSI-HOWTO.txt @@ -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. |