From 920e8af57172dfbf9ac18d0e2f02f1b75efe15af Mon Sep 17 00:00:00 2001
From: dbj <dbj@NetBSD.org>
Date: Wed, 2 Jan 2002 20:30:45 +0000
Subject: [PATCH] add some error checks in adb_reinit, enabled with ADB_DEBUG
 and adb_debug

---
 sys/arch/macppc/dev/adb_direct.c | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/sys/arch/macppc/dev/adb_direct.c b/sys/arch/macppc/dev/adb_direct.c
index c701b79b9708..1d9f4389e050 100644
--- a/sys/arch/macppc/dev/adb_direct.c
+++ b/sys/arch/macppc/dev/adb_direct.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: adb_direct.c,v 1.19 2001/08/03 23:09:42 tsubai Exp $	*/
+/*	$NetBSD: adb_direct.c,v 1.20 2002/01/02 20:30:45 dbj Exp $	*/
 
 /* From: adb_direct.c 2.02 4/18/97 jpw */
 
@@ -1258,9 +1258,15 @@ adb_reinit(void)
 	delay(1000);
 
 	/* send an ADB reset first */
-	adb_op_sync((Ptr)0, (Ptr)0, (Ptr)0, (short)0x00);
+	result = adb_op_sync((Ptr)0, (Ptr)0, (Ptr)0, (short)0x00);
 	delay(200000);
 
+#ifdef ADB_DEBUG
+	if (result && adb_debug) {
+		printf_intr("adb_reinit: failed to reset, result = %d\n",result);
+	}
+#endif
+
 	/*
 	 * Probe for ADB devices. Probe devices 1-15 quickly to determine
 	 * which device addresses are in use and which are free. For each
@@ -1285,6 +1291,13 @@ adb_reinit(void)
 		result = adb_op_sync((Ptr)send_string, (Ptr)0,
 		    (Ptr)0, (short)command);
 
+#ifdef ADB_DEBUG
+		if (result && adb_debug) {
+			printf_intr("adb_reinit: scan of device %d, result = %d, str = 0x%x\n",
+					i,result,send_string[0]);
+		}
+#endif
+
 		if (send_string[0] != 0) {
 			/* check for valid device handler */
 			switch (send_string[2]) {