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authorchristos <christos@NetBSD.org>2016-04-27 02:19:12 +0000
committerchristos <christos@NetBSD.org>2016-04-27 02:19:12 +0000
commit8a85ea28dda96eb4ec9dd4679ac5c3944206dd8f (patch)
tree71dac3362fff75848aeb907feac7188c8942c915 /sys/dev
parent50554ac853ee5391de7cf8f743fd27813a26ef7e (diff)
Add dkwedge_find_by_parent()
Diffstat (limited to 'sys/dev')
-rw-r--r--sys/dev/dkwedge/dk.c21
1 files changed, 19 insertions, 2 deletions
diff --git a/sys/dev/dkwedge/dk.c b/sys/dev/dkwedge/dk.c
index 655329f93c3..3c7312b74c9 100644
--- a/sys/dev/dkwedge/dk.c
+++ b/sys/dev/dkwedge/dk.c
@@ -1,4 +1,4 @@
-/* $NetBSD: dk.c,v 1.88 2016/01/15 07:48:22 mlelstv Exp $ */
+/* $NetBSD: dk.c,v 1.89 2016/04/27 02:19:12 christos Exp $ */
/*-
* Copyright (c) 2004, 2005, 2006, 2007 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: dk.c,v 1.88 2016/01/15 07:48:22 mlelstv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: dk.c,v 1.89 2016/04/27 02:19:12 christos Exp $");
#ifdef _KERNEL_OPT
#include "opt_dkwedge.h"
@@ -761,6 +761,23 @@ dkwedge_find_by_wname(const char *wname)
return dv;
}
+device_t
+dkwedge_find_by_parent(const char *name, size_t *i)
+{
+ rw_enter(&dkwedges_lock, RW_WRITER);
+ for (; *i < (size_t)ndkwedges; (*i)++) {
+ struct dkwedge_softc *sc;
+ if ((sc = dkwedges[*i]) == NULL)
+ continue;
+ if (strcmp(sc->sc_parent->dk_name, name) != 0)
+ continue;
+ rw_exit(&dkwedges_lock);
+ return sc->sc_dev;
+ }
+ rw_exit(&dkwedges_lock);
+ return NULL;
+}
+
void
dkwedge_print_wnames(void)
{