From patchwork Fri Oct 14 14:35:00 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: 9376915 X-Patchwork-Delegate: eduardo.valentin@ti.com 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 C2852607FD for ; Fri, 14 Oct 2016 14:35:55 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B29E42A497 for ; Fri, 14 Oct 2016 14:35:55 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A077D2A499; Fri, 14 Oct 2016 14:35:55 +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 968662858B for ; Fri, 14 Oct 2016 14:35:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754536AbcJNOf1 (ORCPT ); Fri, 14 Oct 2016 10:35:27 -0400 Received: from ec2-52-27-115-49.us-west-2.compute.amazonaws.com ([52.27.115.49]:57019 "EHLO s-opensource.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754252AbcJNOfX (ORCPT ); Fri, 14 Oct 2016 10:35:23 -0400 Received: from localhost (localhost [127.0.0.1]) by s-opensource.com (Postfix) with ESMTP id 19698A0E7B; Fri, 14 Oct 2016 14:35:30 +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 ledCNZd6ljq8; Fri, 14 Oct 2016 14:35:25 +0000 (UTC) Received: from minerva.localdomain (unknown [181.121.136.80]) by s-opensource.com (Postfix) with ESMTPSA id 95E83A0DFA; Fri, 14 Oct 2016 14:35:23 +0000 (UTC) From: Javier Martinez Canillas To: linux-kernel@vger.kernel.org Cc: Javier Martinez Canillas , Zhang Rui , Eduardo Valentin , linux-pm@vger.kernel.org Subject: [PATCH 1/3] thermal: max77620: Fix module autoload Date: Fri, 14 Oct 2016 11:35:00 -0300 Message-Id: <1476455702-21748-2-git-send-email-javier@osg.samsung.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1476455702-21748-1-git-send-email-javier@osg.samsung.com> References: <1476455702-21748-1-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/thermal/max77620_thermal.ko | grep alias $ After this patch: $ modinfo drivers/thermal/max77620_thermal.ko | grep alias alias: platform:max77620-thermal Signed-off-by: Javier Martinez Canillas --- drivers/thermal/max77620_thermal.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/thermal/max77620_thermal.c b/drivers/thermal/max77620_thermal.c index 83905ff46e40..e9a1fe342760 100644 --- a/drivers/thermal/max77620_thermal.c +++ b/drivers/thermal/max77620_thermal.c @@ -149,6 +149,7 @@ static struct platform_device_id max77620_thermal_devtype[] = { { .name = "max77620-thermal", }, {}, }; +MODULE_DEVICE_TABLE(platform, max77620_thermal_devtype); static struct platform_driver max77620_thermal_driver = { .driver = {