From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from 20.mo3.mail-out.ovh.net ([178.33.47.94] helo=mo3.mail-out.ovh.net) by canuck.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1QtCcU-00063Q-ON for barebox@lists.infradead.org; Tue, 16 Aug 2011 05:55:24 +0000 Received: from mail191.ha.ovh.net (b9.ovh.net [213.186.33.59]) by mo3.mail-out.ovh.net (Postfix) with SMTP id 97527FFB708 for ; Tue, 16 Aug 2011 07:55:42 +0200 (CEST) From: Jean-Christophe PLAGNIOL-VILLARD Date: Tue, 16 Aug 2011 07:36:05 +0200 Message-Id: <1313472967-19324-2-git-send-email-plagnioj@jcrosoft.com> In-Reply-To: <1313397992-3065-1-git-send-email-s.hauer@pengutronix.de> References: <1313397992-3065-1-git-send-email-s.hauer@pengutronix.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: barebox-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 2/4] add bus registration support To: barebox@lists.infradead.org Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD --- drivers/base/Makefile | 1 + drivers/base/bus.c | 69 +++++++++++++++++++++++++++++++++++++++++++++++++ include/driver.h | 17 ++++++++++++ 3 files changed, 87 insertions(+), 0 deletions(-) create mode 100644 drivers/base/bus.c diff --git a/drivers/base/Makefile b/drivers/base/Makefile index 957ca5a..5f19d4d 100644 --- a/drivers/base/Makefile +++ b/drivers/base/Makefile @@ -1,3 +1,4 @@ obj-y += driver.o +obj-y += bus.o obj-y += platform.o obj-y += resource.o diff --git a/drivers/base/bus.c b/drivers/base/bus.c new file mode 100644 index 0000000..b124ab0 --- /dev/null +++ b/drivers/base/bus.c @@ -0,0 +1,69 @@ +/* + * Copyright (c) 2011 Jean-Christophe PLAGNIOL-VILLARD + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#include +#include + +static int bus_match(struct device_d *dev, struct driver_d *drv) +{ + return strcmp(dev->name, drv->name) ? -1 : 0; +} + +static int bus_probe(struct device_d *dev) +{ + if (dev->driver->probe) + return dev->driver->probe(dev); + return 0; +} + +static void bus_remove(struct device_d *dev) +{ + if (dev->driver->remove) + dev->driver->remove(dev); +} + +struct bus_type bus_bus = { + .name = "bus", + .match = bus_match, + .probe = bus_probe, + .remove = bus_remove, +}; + +void bus_for_each_device(struct bus_type *bus, + void (*fn)(struct device_d *dev)) +{ + struct device_d *dev; + + for_each_device(dev) { + if (dev->bus == bus) + fn(dev); + } +} + +int register_bus_driver(struct driver_d *drv) +{ + drv->bus = &bus_bus; + return register_driver(drv); +} + +int register_bus_device(struct device_d *dev) +{ + dev->bus = &bus_bus; + return register_device(dev); +} diff --git a/include/driver.h b/include/driver.h index 0b5a652..ab7424e 100644 --- a/include/driver.h +++ b/include/driver.h @@ -269,6 +269,23 @@ extern struct list_head driver_list; */ #define for_each_device(dev) list_for_each_entry(dev, &device_list, list) + +int register_bus_driver(struct driver_d *drv); +int register_bus_device(struct device_d *dev); + +/* Iterate over all bus device + */ +void bus_for_each_device(struct bus_type *bus, + void (*fn)(struct device_d *dev)); + +extern struct bus_type bus_bus; +/* Iterate over all bus + */ +static inline void bus_for_each(void (*fn)(struct device_d *dev)) +{ + bus_for_each_device(&bus_bus, fn); +} + /* Iterate over all drivers */ #define for_each_driver(drv) list_for_each_entry(drv, &driver_list, list) -- 1.7.5.4 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox