1 files changed, 76 insertions, 0 deletions
diff --git a/dung-3.4.25-m2/common/unbind-bind.sh b/dung-3.4.25-m2/common/unbind-bind.sh
new file mode 100755
index 0000000..25f9fb3
--- /dev/null
+++ b/dung-3.4.25-m2/common/unbind-bind.sh
@@ -0,0 +1,76 @@
+#!/bin/sh
+# unbind-bind-write.sh
+#
+# Simple test of binding and unbinding a device
+# 
+# Copyright (C) 2013 Horms Soltutions Ltd.
+#
+# Contact: Simon Horman <horms@verge.net.au>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; version 2 of the License.
+
+set -e
+#set -x
+
+if [ $# -lt 2 ]; then
+	echo "usage: $(basename $0) DRIVER DEVICE_NAME [CHECK_PATH...]" >& 2
+	exit 1
+fi
+
+DRIVER="$1"; shift
+DEVICE_NAME="$1"; shift
+
+SYSFS_BASE_DIR="/sys/bus/platform/drivers/$DRIVER"
+SYSFS_DEV_DIR="$SYSFS_BASE_DIR/$DEVICE_NAME"
+
+CHECK_PATH="$SYSFS_DEV_DIR $@"
+
+exists ()
+{
+	for i in $CHECK_PATH; do
+		if [ ! -e "$i" ]; then
+        		echo \'$i\': No such file or directory >&2
+        		exit 1
+		fi
+	done
+}
+
+echo "Test device files exists"
+
+exists
+
+echo "Unbind device"
+echo "$DEVICE_NAME" > "$SYSFS_BASE_DIR/unbind"
+
+echo "Test that block device and sysfs directory no longer exist"
+for i in $CHECK_PATH; do
+	if [ -e "$i" ]; then
+		echo Failed to unbind \'$DEVICE_NAME\': \'$i\' still exists >&2
+		exit 1
+	fi
+done
+
+echo "Bind device"
+echo "$DEVICE_NAME" > "$SYSFS_BASE_DIR/bind"
+
+echo "Wait for device files to be recreated"
+for i in $(seq 1 32); do
+	OK="true"
+	for i in $CHECK_PATH; do
+		if [ ! -e "$i" ]; then
+			OK="false"
+			break
+		fi
+	done
+	if [ "$OK" = "false" ]; then
+		sleep 1
+	else 
+		break
+	fi
+done
+
+echo "Test that device files once again exist"
+exists
+