[src/trunk]: src/sys/dev/isa If the 'no-legacy-devices' property is present a...

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

details:   https://anonhg.NetBSD.org/src/rev/6d07fa2e55a2
branches:  trunk
changeset: 757261:6d07fa2e55a2
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Sat Aug 21 17:08:15 2010 +0000

description:
If the 'no-legacy-devices' property is present and true, skip device
enumeration.

diffstat:

 sys/dev/isa/isa.c |  13 +++++++++++--
 1 files changed, 11 insertions(+), 2 deletions(-)

diffs (35 lines):

diff -r f355b58a938f -r 6d07fa2e55a2 sys/dev/isa/isa.c
--- a/sys/dev/isa/isa.c Sat Aug 21 16:36:15 2010 +0000
+++ b/sys/dev/isa/isa.c Sat Aug 21 17:08:15 2010 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: isa.c,v 1.137 2009/08/19 16:23:28 cegger Exp $ */
+/*     $NetBSD: isa.c,v 1.138 2010/08/21 17:08:15 jmcneill Exp $       */
 
 /*-
  * Copyright (c) 1998, 2001, 2008 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: isa.c,v 1.137 2009/08/19 16:23:28 cegger Exp $");
+__KERNEL_RCSID(0, "$NetBSD: isa.c,v 1.138 2010/08/21 17:08:15 jmcneill Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -162,7 +162,16 @@
 int
 isarescan(device_t self, const char *ifattr, const int *locators)
 {
+       prop_dictionary_t dict;
        int locs[ISACF_NLOCS];
+       bool no_legacy_devices = false;
+
+       dict = device_properties(self);
+       if (prop_dictionary_get_bool(dict, "no-legacy-devices",
+           &no_legacy_devices) == true) {
+               aprint_debug_dev(self, "platform reports no legacy devices\n");
+               return 0;
+       }
 
        memcpy(locs, locators, sizeof(locs));