From patchwork Mon Oct 17 18:36:12 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Javier Martinez Canillas X-Patchwork-Id: 9380171 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id BDA0860487 for ; Mon, 17 Oct 2016 18:37:23 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B94A029298 for ; Mon, 17 Oct 2016 18:37:23 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id ADD7B292E5; Mon, 17 Oct 2016 18:37:23 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9F2C029298 for ; Mon, 17 Oct 2016 18:37:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933490AbcJQShS (ORCPT ); Mon, 17 Oct 2016 14:37:18 -0400 Received: from ec2-52-27-115-49.us-west-2.compute.amazonaws.com ([52.27.115.49]:37071 "EHLO s-opensource.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757498AbcJQSgd (ORCPT ); Mon, 17 Oct 2016 14:36:33 -0400 Received: from localhost (localhost [127.0.0.1]) by s-opensource.com (Postfix) with ESMTP id B8422A0E79; Mon, 17 Oct 2016 18:36:34 +0000 (UTC) X-Virus-Scanned: amavisd-new at osg.samsung.com Received: from s-opensource.com ([127.0.0.1]) by localhost (s-opensource.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id siGLLwt3kjNa; Mon, 17 Oct 2016 18:36:34 +0000 (UTC) Received: from minerva.sisa.samsung.com (unknown [181.121.136.80]) by s-opensource.com (Postfix) with ESMTPSA id 644D8A0DFA; Mon, 17 Oct 2016 18:36:32 +0000 (UTC) From: Javier Martinez Canillas To: linux-kernel@vger.kernel.org Cc: Javier Martinez Canillas , Sebastian Reichel , linux-pm@vger.kernel.org Subject: [PATCH 1/4] power: reset: at91-reset: Fix module autoload Date: Mon, 17 Oct 2016 15:36:12 -0300 Message-Id: <1476729375-17526-2-git-send-email-javier@osg.samsung.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1476729375-17526-1-git-send-email-javier@osg.samsung.com> References: <1476729375-17526-1-git-send-email-javier@osg.samsung.com> Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP If the driver is built as a module, autoload won't work because the module alias information is not filled. So user-space can't match the registered device with the corresponding module. Export the module alias information using the MODULE_DEVICE_TABLE() macro. Before this patch: $ modinfo drivers/power/reset/at91-reset.ko | grep alias $ After this patch: $ modinfo drivers/power/reset/at91-reset.ko | grep alias alias: of:N*T*Catmel,sama5d3-rstcC* alias: of:N*T*Catmel,sama5d3-rstc alias: of:N*T*Catmel,at91sam9g45-rstcC* alias: of:N*T*Catmel,at91sam9g45-rstc alias: of:N*T*Catmel,at91sam9260-rstcC* alias: of:N*T*Catmel,at91sam9260-rstc alias: platform:at91-sam9g45-reset alias: platform:at91-sam9260-reset Signed-off-by: Javier Martinez Canillas --- drivers/power/reset/at91-reset.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/power/reset/at91-reset.c b/drivers/power/reset/at91-reset.c index 1b5d450586d1..568580cf0655 100644 --- a/drivers/power/reset/at91-reset.c +++ b/drivers/power/reset/at91-reset.c @@ -175,6 +175,7 @@ static const struct of_device_id at91_reset_of_match[] = { { .compatible = "atmel,sama5d3-rstc", .data = sama5d3_restart }, { /* sentinel */ } }; +MODULE_DEVICE_TABLE(of, at91_reset_of_match); static struct notifier_block at91_restart_nb = { .priority = 192, @@ -242,6 +243,7 @@ static const struct platform_device_id at91_reset_plat_match[] = { { "at91-sam9g45-reset", (unsigned long)at91sam9g45_restart }, { /* sentinel */ } }; +MODULE_DEVICE_TABLE(platform, at91_reset_plat_match); static struct platform_driver at91_reset_driver = { .remove = __exit_p(at91_reset_remove),