From patchwork Mon Oct 17 16:13:44 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: 9379821 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 D61276086B for ; Mon, 17 Oct 2016 16:14:00 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C798C28CE2 for ; Mon, 17 Oct 2016 16:14:00 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id BA58D28D53; Mon, 17 Oct 2016 16:14:00 +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 EDA2D28CE2 for ; Mon, 17 Oct 2016 16:13:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935318AbcJQQN6 (ORCPT ); Mon, 17 Oct 2016 12:13:58 -0400 Received: from ec2-52-27-115-49.us-west-2.compute.amazonaws.com ([52.27.115.49]:36263 "EHLO s-opensource.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934088AbcJQQN6 (ORCPT ); Mon, 17 Oct 2016 12:13:58 -0400 Received: from localhost (localhost [127.0.0.1]) by s-opensource.com (Postfix) with ESMTP id 595C1A0E78; Mon, 17 Oct 2016 16:14:04 +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 NStwpo2TqEVA; Mon, 17 Oct 2016 16:14:03 +0000 (UTC) Received: from minerva.sisa.samsung.com (unknown [181.121.136.80]) by s-opensource.com (Postfix) with ESMTPSA id 7248EA0DFA; Mon, 17 Oct 2016 16:13:59 +0000 (UTC) From: Javier Martinez Canillas To: linux-kernel@vger.kernel.org Cc: Javier Martinez Canillas , linux-mmc@vger.kernel.org, Geert Uytterhoeven , Douglas Anderson , linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Chaotian Jing , Nicolas Boichat , Matthias Brugger , Ulf Hansson Subject: [PATCH 1/2] mmc: mediatek: Fix module autoload Date: Mon, 17 Oct 2016 13:13:44 -0300 Message-Id: <1476720825-30442-1-git-send-email-javier@osg.samsung.com> X-Mailer: git-send-email 2.7.4 Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@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/mmc/host/mtk-sd.ko | grep alias $ After this patch: $ modinfo drivers/mmc/host/mtk-sd.ko | grep alias alias: of:N*T*Cmediatek,mt8135-mmcC* alias: of:N*T*Cmediatek,mt8135-mmc Signed-off-by: Javier Martinez Canillas --- drivers/mmc/host/mtk-sd.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c index 84e9afcb5c09..86af0b199a54 100644 --- a/drivers/mmc/host/mtk-sd.c +++ b/drivers/mmc/host/mtk-sd.c @@ -1713,6 +1713,7 @@ static const struct of_device_id msdc_of_ids[] = { { .compatible = "mediatek,mt8135-mmc", }, {} }; +MODULE_DEVICE_TABLE(of, msdc_of_ids); static struct platform_driver mt_msdc_driver = { .probe = msdc_drv_probe,