From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935110AbXGKXeV (ORCPT ); Wed, 11 Jul 2007 19:34:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S934934AbXGKXdD (ORCPT ); Wed, 11 Jul 2007 19:33:03 -0400 Received: from mail.suse.de ([195.135.220.2]:33561 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934908AbXGKXdC (ORCPT ); Wed, 11 Jul 2007 19:33:02 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Kay Sievers , Greg Kroah-Hartman Subject: [PATCH 04/61] Driver core: add missing kset uevent Date: Wed, 11 Jul 2007 16:31:23 -0700 Message-Id: <1184196759393-git-send-email-gregkh@suse.de> X-Mailer: git-send-email 1.5.2.2 In-Reply-To: <1184196753488-git-send-email-gregkh@suse.de> References: <20070711233021.GA5253@kroah.com> <11841967403365-git-send-email-gregkh@suse.de> <11841967493890-git-send-email-gregkh@suse.de> <1184196753488-git-send-email-gregkh@suse.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org From: Kay Sievers 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 Signed-off-by: Greg Kroah-Hartman --- drivers/base/bus.c | 16 ++++++++++++++-- lib/kobject.c | 9 ++++++++- 2 files changed, 22 insertions(+), 3 deletions(-) diff --git a/drivers/base/bus.c b/drivers/base/bus.c index dca7348..7ff5aaf 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 ac15206..b4ebd76 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; } -- 1.5.2.2