From patchwork Fri Oct 14 16:00:18 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: 9377011 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 6209F607FD for ; Fri, 14 Oct 2016 16:00:47 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 510342A523 for ; Fri, 14 Oct 2016 16:00:47 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 38CCE2A702; Fri, 14 Oct 2016 16:00:47 +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 246312A523 for ; Fri, 14 Oct 2016 16:00:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932297AbcJNQAf (ORCPT ); Fri, 14 Oct 2016 12:00:35 -0400 Received: from ec2-52-27-115-49.us-west-2.compute.amazonaws.com ([52.27.115.49]:57384 "EHLO s-opensource.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932281AbcJNQAe (ORCPT ); Fri, 14 Oct 2016 12:00:34 -0400 Received: from localhost (localhost [127.0.0.1]) by s-opensource.com (Postfix) with ESMTP id 5173DA0E78; Fri, 14 Oct 2016 16:00:40 +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 AFkyqRUqEzwg; Fri, 14 Oct 2016 16:00:35 +0000 (UTC) Received: from minerva.localdomain (unknown [181.121.136.80]) by s-opensource.com (Postfix) with ESMTPSA id 05439A0DFA; Fri, 14 Oct 2016 16:00:32 +0000 (UTC) From: Javier Martinez Canillas To: linux-kernel@vger.kernel.org Cc: Javier Martinez Canillas , Juergen Borleis , linux-input@vger.kernel.org, Markus Pargmann , Dmitry Torokhov , Lee Jones , Denis Carikli Subject: [PATCH 1/2] Input: fsl-imx25-tcq - fix module autoload when registered via OF Date: Fri, 14 Oct 2016 13:00:18 -0300 Message-Id: <1476460819-12809-1-git-send-email-javier@osg.samsung.com> X-Mailer: git-send-email 2.7.4 Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@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/input/touchscreen/fsl-imx25-tcq.ko | grep alias After this patch: $ modinfo drivers/input/touchscreen/fsl-imx25-tcq.ko | grep alias alias: of:N*T*Cfsl,imx25-tcqC* alias: of:N*T*Cfsl,imx25-tcq Signed-off-by: Javier Martinez Canillas --- drivers/input/touchscreen/fsl-imx25-tcq.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/input/touchscreen/fsl-imx25-tcq.c b/drivers/input/touchscreen/fsl-imx25-tcq.c index fe9877a6af9e..d50ee490c9cc 100644 --- a/drivers/input/touchscreen/fsl-imx25-tcq.c +++ b/drivers/input/touchscreen/fsl-imx25-tcq.c @@ -55,6 +55,7 @@ static const struct of_device_id mx25_tcq_ids[] = { { .compatible = "fsl,imx25-tcq", }, { /* Sentinel */ } }; +MODULE_DEVICE_TABLE(of, mx25_tcq_ids); #define TSC_4WIRE_PRE_INDEX 0 #define TSC_4WIRE_X_INDEX 1