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: 9379839 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 AF7486086B for ; Mon, 17 Oct 2016 16:17:44 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9F7762793B for ; Mon, 17 Oct 2016 16:17:44 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 90A4028930; Mon, 17 Oct 2016 16:17:44 +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=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 22FDE2793B for ; Mon, 17 Oct 2016 16:17:44 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1bwAak-0007xA-AA; Mon, 17 Oct 2016 16:16:46 +0000 Received: from ec2-52-27-115-49.us-west-2.compute.amazonaws.com ([52.27.115.49] helo=s-opensource.com) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1bwAYM-0004hE-8u; Mon, 17 Oct 2016 16:14:47 +0000 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 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20161017_091419_183423_DC2E91F1 X-CRM114-Status: UNSURE ( 8.53 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Ulf Hansson , Nicolas Boichat , linux-mmc@vger.kernel.org, Douglas Anderson , Javier Martinez Canillas , linux-mediatek@lists.infradead.org, Chaotian Jing , Matthias Brugger , Geert Uytterhoeven , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.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,