[src/trunk]: src/share/man/man9 specify when pci_intr_release(9) is called as...

[knakahara <knakahara%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/4c17ad86829a
branches:  trunk
changeset: 347507:4c17ad86829a
user:      knakahara <knakahara%NetBSD.org@localhost>
date:      Mon Aug 29 02:48:56 2016 +0000

description:
specify when pci_intr_release(9) is called as "pih" is NULL.

diffstat:

 share/man/man9/pci_msi.9 |  7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diffs (21 lines):

diff -r d184f6e88f3a -r 4c17ad86829a share/man/man9/pci_msi.9
--- a/share/man/man9/pci_msi.9  Mon Aug 29 02:31:46 2016 +0000
+++ b/share/man/man9/pci_msi.9  Mon Aug 29 02:48:56 2016 +0000
@@ -1,4 +1,4 @@
-.\" $NetBSD: pci_msi.9,v 1.10 2016/07/12 03:39:55 knakahara Exp $
+.\" $NetBSD: pci_msi.9,v 1.11 2016/08/29 02:48:56 knakahara Exp $
 .\"
 .\" Copyright (c) 2015 Internet Initiative Japan Inc.
 .\" All rights reserved.
@@ -159,6 +159,11 @@
 After that, the driver should also call
 .Fn pci_intr_release
 to free resources about MSI as well as INTx and MSI-X.
+If
+.Fa pih
+is NULL,
+.Fn pci_intr_release
+does nothing.
 .Pp
 If a driver wishes to establish an MSI-X handler for the device,
 it is almost the same as MSI.