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[linux-2.6.git] / arch / ppc64 / kernel / vio.c

diff --git a/arch/ppc64/kernel/vio.c b/arch/ppc64/kernel/vio.c
index 817f315..ce758a3 100644 (file)
--- a/arch/ppc64/kernel/vio.c
+++ b/arch/ppc64/kernel/vio.c
@@ -267,6 +267,15 @@ static void __devinit vio_dev_release(struct device *dev)
        kfree(viodev);
 }
 
+static ssize_t viodev_show_devspec(struct device *dev, char *buf)
+{
+       struct vio_dev *viodev = to_vio_dev(dev);
+       struct device_node *of_node = viodev->archdata;
+
+       return sprintf(buf, "%s\n", of_node->full_name);
+}
+DEVICE_ATTR(devspec, S_IRUSR | S_IRGRP | S_IROTH, viodev_show_devspec, NULL);
+
 static ssize_t viodev_show_name(struct device *dev, char *buf)
 {
        struct vio_dev *viodev = to_vio_dev(dev);
@@ -345,6 +354,7 @@ struct vio_dev * __devinit vio_register_device(struct device_node *of_node)
                return NULL;
        }
        device_create_file(&viodev->dev, &dev_attr_name);
+       device_create_file(&viodev->dev, &dev_attr_devspec);
 
        return viodev;
 }
@@ -353,6 +363,8 @@ EXPORT_SYMBOL(vio_register_device);
 void __devinit vio_unregister_device(struct vio_dev *viodev)
 {
        DBGENTER();
+       device_remove_file(&viodev->dev, &dev_attr_devspec);
+       device_remove_file(&viodev->dev, &dev_attr_name);
        device_unregister(&viodev->dev);
 }
 EXPORT_SYMBOL(vio_unregister_device);