From 6457d9b350b3f4f2098984eee016c6c994b9c096 Mon Sep 17 00:00:00 2001 From: Michael Witten Date: Thu, 14 Jul 2011 21:54:18 +0000 Subject: Docs: MSI-HOWTO: Move a sentence to another paragraph Signed-off-by: Michael Witten Acked-by: Matthew Wilcox Signed-off-by: Randy Dunlap --- Documentation/PCI/MSI-HOWTO.txt | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) (limited to 'Documentation') 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. -- cgit v1.2.1