From: Kay Sievers <kay.sievers@novell.com>
Date: Sat, 7 Oct 2006 19:54:55 +0000 (+0200)
Subject: Driver core: allow to delay the uevent at device creation time
X-Git-Tag: v2.6.21-rc1~92^2~30^2~2
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b7a3e813fb84624166f034e25234f98de5846bfc;p=linux-2.6

Driver core: allow to delay the uevent at device creation time

For the block subsystem, we want to delay all uevents until the
disk has been scanned and allpartitons are already created before
the first event is sent out.

Signed-off-by: Kay Sievers <kay.sievers@novell.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/base/core.c b/drivers/base/core.c
index 34ac18778d..e13614241c 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -589,7 +589,8 @@ int device_add(struct device *dev)
 		goto PMError;
 	if ((error = bus_add_device(dev)))
 		goto BusError;
-	kobject_uevent(&dev->kobj, KOBJ_ADD);
+	if (!dev->uevent_suppress)
+		kobject_uevent(&dev->kobj, KOBJ_ADD);
 	if ((error = bus_attach_device(dev)))
 		goto AttachError;
 	if (parent)
diff --git a/include/linux/device.h b/include/linux/device.h
index e1e164f81e..5ca1cdba56 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -399,9 +399,10 @@ struct device {
 
 	/* class_device migration path */
 	struct list_head	node;
-	struct class		*class;		/* optional*/
+	struct class		*class;
 	dev_t			devt;		/* dev_t, creates the sysfs "dev" */
 	struct attribute_group	**groups;	/* optional groups */
+	int			uevent_suppress;
 
 	void	(*release)(struct device * dev);
 };