From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755534AbcEDSfA (ORCPT ); Wed, 4 May 2016 14:35:00 -0400 Received: from devils.ext.ti.com ([198.47.26.153]:49421 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754689AbcEDSeS (ORCPT ); Wed, 4 May 2016 14:34:18 -0400 From: "Andrew F. Davis" To: Ohad Ben-Cohen , Bjorn Andersson , Jonathan Corbet , Suman Anna CC: , , , "Andrew F . Davis" Subject: [PATCH 3/4] rpmsg: add helper macro module_rpmsg_driver Date: Wed, 4 May 2016 13:34:14 -0500 Message-ID: <1462386855-17381-3-git-send-email-afd@ti.com> X-Mailer: git-send-email 2.8.2 In-Reply-To: <1462386855-17381-1-git-send-email-afd@ti.com> References: <1462386855-17381-1-git-send-email-afd@ti.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch introduces the module_rpmsg_driver macro which is a convenience macro for rpmsg driver modules similar to module_platform_driver. It is intended to be used by drivers which init/exit section does nothing but register/unregister the rpmsg driver. By using this macro it is possible to eliminate a few lines of boilerplate code per rpmsg driver. Signed-off-by: Andrew F. Davis --- include/linux/rpmsg.h | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/include/linux/rpmsg.h b/include/linux/rpmsg.h index 78e45ce..ada50ff 100644 --- a/include/linux/rpmsg.h +++ b/include/linux/rpmsg.h @@ -177,13 +177,23 @@ struct rpmsg_endpoint *rpmsg_create_ept(struct rpmsg_channel *, int rpmsg_send_offchannel_raw(struct rpmsg_channel *, u32, u32, void *, int, bool); -/* - * use a macro to avoid include chaining to get THIS_MODULE - */ +/* use a macro to avoid include chaining to get THIS_MODULE */ #define register_rpmsg_driver(drv) \ __register_rpmsg_driver(drv, THIS_MODULE) /** + * module_rpmsg_driver() - Helper macro for registering an rpmsg driver + * @__rpmsg_driver: rpmsg_driver struct + * + * Helper macro for rpmsg drivers which do not do anything special in module + * init/exit. This eliminates a lot of boilerplate. Each module may only + * use this macro once, and calling it replaces module_init() and module_exit() + */ +#define module_rpmsg_driver(__rpmsg_driver) \ + module_driver(__rpmsg_driver, register_rpmsg_driver, \ + unregister_rpmsg_driver) + +/** * rpmsg_send() - send a message across to the remote processor * @rpdev: the rpmsg channel * @data: payload of message -- 2.8.2