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authorKay Sievers <kay.sievers@vrfy.org>2007-05-26 11:21:36 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2007-07-11 16:09:01 -0700
commit80f03e349f06a261a8e980bf6005c61811a0d66a (patch)
tree91837f2ad36d42f2426621cdccd7765bf58734b2
parent4f5c791a850e5305a5b1b48d0e4b4de248dc96f9 (diff)
downloadlinux-80f03e349f06a261a8e980bf6005c61811a0d66a.tar.bz2
Driver core: add missing kset uevent
We get uevents for a bus/class going away, but not one registering. Add the missing uevent in kset_register(), which will send an event for a new bus/class. Suppress all unwanted uevents for bus subdirectories like /bus/*/devices/, /bus/*/drivers/. Now we get for module usbcore: add /module/usbcore (module) add /bus/usb (bus) add /class/usb_host (class) add /bus/usb/drivers/hub (drivers) add /bus/usb/drivers/usb (drivers) remove /bus/usb/drivers/usb (drivers) remove /bus/usb/drivers/hub (drivers) remove /class/usb_host (class) remove /bus/usb (bus) remove /module/usbcore (module) instead of: add /module/usbcore (module) add /bus/usb/drivers/hub (drivers) add /bus/usb/drivers/usb (drivers) remove /bus/usb/drivers/usb (drivers) remove /bus/usb/drivers/hub (drivers) remove /class/usb_host (class) remove /bus/usb/drivers (bus) remove /bus/usb/devices (bus) remove /bus/usb (bus) remove /module/usbcore (module) Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--drivers/base/bus.c16
-rw-r--r--lib/kobject.c9
2 files changed, 22 insertions, 3 deletions
diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index dca734819e50..7ff5aafe2167 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -138,12 +138,24 @@ void bus_remove_file(struct bus_type * bus, struct bus_attribute * attr)
}
}
-static struct kobj_type ktype_bus = {
+static struct kobj_type bus_ktype = {
.sysfs_ops = &bus_sysfs_ops,
+};
+
+static int bus_uevent_filter(struct kset *kset, struct kobject *kobj)
+{
+ struct kobj_type *ktype = get_ktype(kobj);
+
+ if (ktype == &bus_ktype)
+ return 1;
+ return 0;
+}
+static struct kset_uevent_ops bus_uevent_ops = {
+ .filter = bus_uevent_filter,
};
-static decl_subsys(bus, &ktype_bus, NULL);
+static decl_subsys(bus, &bus_ktype, &bus_uevent_ops);
#ifdef CONFIG_HOTPLUG
diff --git a/lib/kobject.c b/lib/kobject.c
index ac1520651b9b..b4ebd7631700 100644
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -597,10 +597,17 @@ int kset_add(struct kset * k)
int kset_register(struct kset * k)
{
+ int err;
+
if (!k)
return -EINVAL;
+
kset_init(k);
- return kset_add(k);
+ err = kset_add(k);
+ if (err)
+ return err;
+ kobject_uevent(&k->kobj, KOBJ_ADD);
+ return 0;
}