From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755678Ab2IHX0m (ORCPT ); Sat, 8 Sep 2012 19:26:42 -0400 Received: from mail-pb0-f46.google.com ([209.85.160.46]:63717 "EHLO mail-pb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754066Ab2IHX0K (ORCPT ); Sat, 8 Sep 2012 19:26:10 -0400 From: Ming Lei To: Greg Kroah-Hartman Cc: Linus Torvalds , Takashi Iwai , Alan Cox , Benjamin Herrenschmidt , linux-kernel@vger.kernel.org, Ming Lei Subject: [RFC PATCH 5/5] driver core: implement asynchorous probe() inside driver_register Date: Sun, 9 Sep 2012 07:25:20 +0800 Message-Id: <1347146720-28596-6-git-send-email-ming.lei@canonical.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1347146720-28596-1-git-send-email-ming.lei@canonical.com> References: <1347146720-28596-1-git-send-email-ming.lei@canonical.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Ming Lei --- drivers/base/driver.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/drivers/base/driver.c b/drivers/base/driver.c index 9365076..67fb63c 100644 --- a/drivers/base/driver.c +++ b/drivers/base/driver.c @@ -15,6 +15,7 @@ #include #include #include +#include #include "base.h" static struct device *next_device(struct klist_iter *i) @@ -153,6 +154,13 @@ static void driver_remove_groups(struct device_driver *drv, sysfs_remove_group(&drv->p->kobj, groups[i]); } +static void async_driver_attach(void *data, async_cookie_t cookie) +{ + struct device_driver *drv = data; + + driver_attach(drv); +} + /** * driver_register - register driver with bus * @drv: driver to register @@ -193,8 +201,12 @@ int __driver_register(struct device_driver *drv, int sync) kobject_uevent(&drv->p->kobj, KOBJ_ADD); /* driver probe at the last minute */ - if (drv->bus->p->drivers_autoprobe) - ret = driver_attach(drv); + if (drv->bus->p->drivers_autoprobe) { + if (sync) + ret = driver_attach(drv); + else + async_schedule(async_driver_attach, drv); + } return ret; } -- 1.7.9.5