[src/trunk]: src/sys/dev/i2c add rescan support

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

details:   https://anonhg.NetBSD.org/src/rev/aecf07260227
branches:  trunk
changeset: 767812:aecf07260227
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Sun Jul 31 15:58:25 2011 +0000

description:
add rescan support

diffstat:

 sys/dev/i2c/i2c.c |  17 ++++++++++++-----
 1 files changed, 12 insertions(+), 5 deletions(-)

diffs (49 lines):

diff -r a69712675e36 -r aecf07260227 sys/dev/i2c/i2c.c
--- a/sys/dev/i2c/i2c.c Sun Jul 31 15:39:28 2011 +0000
+++ b/sys/dev/i2c/i2c.c Sun Jul 31 15:58:25 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: i2c.c,v 1.25 2010/03/01 17:35:21 njoly Exp $   */
+/*     $NetBSD: i2c.c,v 1.26 2011/07/31 15:58:25 jmcneill Exp $        */
 
 /*
  * Copyright (c) 2003 Wasabi Systems, Inc.
@@ -36,7 +36,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: i2c.c,v 1.25 2010/03/01 17:35:21 njoly Exp $");
+__KERNEL_RCSID(0, "$NetBSD: i2c.c,v 1.26 2011/07/31 15:58:25 jmcneill Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -119,6 +119,13 @@
 }
 
 static int
+iic_rescan(device_t self, const char *ifattr, const int *locators)
+{
+       config_search_ia(iic_search, self, ifattr, NULL);
+       return 0;
+}
+
+static int
 iic_match(device_t parent, cfdata_t cf, void *aux)
 {
 
@@ -275,7 +282,7 @@
                 * Attach all i2c devices described in the kernel
                 * configuration file.
                 */
-               config_search_ia(iic_search, self, "iic", NULL);
+               iic_rescan(self, "iic", NULL);
        }
 }
 
@@ -429,5 +436,5 @@
 }
 
 
-CFATTACH_DECL_NEW(iic, sizeof(struct iic_softc),
-    iic_match, iic_attach, NULL, NULL);
+CFATTACH_DECL2_NEW(iic, sizeof(struct iic_softc),
+    iic_match, iic_attach, NULL, NULL, iic_rescan, NULL);