From patchwork Mon Oct 17 19:13:35 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: 9380315 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 76F9360487 for ; Mon, 17 Oct 2016 19:14:42 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5980628567 for ; Mon, 17 Oct 2016 19:14:42 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4DF6828FE7; Mon, 17 Oct 2016 19:14:42 +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 0D4F728567 for ; Mon, 17 Oct 2016 19:14:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965012AbcJQTNx (ORCPT ); Mon, 17 Oct 2016 15:13:53 -0400 Received: from ec2-52-27-115-49.us-west-2.compute.amazonaws.com ([52.27.115.49]:37321 "EHLO s-opensource.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964990AbcJQTNu (ORCPT ); Mon, 17 Oct 2016 15:13:50 -0400 Received: from localhost (localhost [127.0.0.1]) by s-opensource.com (Postfix) with ESMTP id 52B19A0E78; Mon, 17 Oct 2016 19:13:57 +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 d7iwckJtluRW; Mon, 17 Oct 2016 19:13:55 +0000 (UTC) Received: from minerva.sisa.samsung.com (unknown [181.121.136.80]) by s-opensource.com (Postfix) with ESMTPSA id 1F6C0A0E77; Mon, 17 Oct 2016 19:13:53 +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 1/2] power: supply: max8997_charger: Fix module autoload Date: Mon, 17 Oct 2016 16:13:35 -0300 Message-Id: <1476731616-23995-2-git-send-email-javier@osg.samsung.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1476731616-23995-1-git-send-email-javier@osg.samsung.com> References: <1476731616-23995-1-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/supply/max8997_charger.ko | grep alias $ After this patch: $ modinfo drivers/power/supply/max8997_charger.ko | grep alias alias: platform:max8997-battery Signed-off-by: Javier Martinez Canillas --- drivers/power/supply/max8997_charger.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/power/supply/max8997_charger.c b/drivers/power/supply/max8997_charger.c index 0b2eab571528..290ddc12b040 100644 --- a/drivers/power/supply/max8997_charger.c +++ b/drivers/power/supply/max8997_charger.c @@ -184,6 +184,7 @@ static const struct platform_device_id max8997_battery_id[] = { { "max8997-battery", 0 }, { } }; +MODULE_DEVICE_TABLE(platform, max8997_battery_id); static struct platform_driver max8997_battery_driver = { .driver = {