From patchwork Tue Oct 18 21:01:48 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: 683881 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3sz6wQ43c9z9s3s for ; Wed, 19 Oct 2016 08:02:46 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934860AbcJRVCL (ORCPT ); Tue, 18 Oct 2016 17:02:11 -0400 Received: from ec2-52-27-115-49.us-west-2.compute.amazonaws.com ([52.27.115.49]:43332 "EHLO s-opensource.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934195AbcJRVCJ (ORCPT ); Tue, 18 Oct 2016 17:02:09 -0400 Received: from localhost (localhost [127.0.0.1]) by s-opensource.com (Postfix) with ESMTP id 2683AA0E7B; Tue, 18 Oct 2016 21:02:16 +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 IZM06sYf5Zje; Tue, 18 Oct 2016 21:02:15 +0000 (UTC) Received: from minerva.localdomain (unknown [181.121.136.80]) by s-opensource.com (Postfix) with ESMTPSA id 6AFD7A0DFA; Tue, 18 Oct 2016 21:02:13 +0000 (UTC) From: Javier Martinez Canillas To: linux-kernel@vger.kernel.org Cc: Javier Martinez Canillas , Baruch Siach , Wolfram Sang , linux-arm-kernel@lists.infradead.org, linux-i2c@vger.kernel.org Subject: [PATCH 4/4] i2c: digicolor: Fix module autoload Date: Tue, 18 Oct 2016 18:01:48 -0300 Message-Id: <1476824508-4679-5-git-send-email-javier@osg.samsung.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1476824508-4679-1-git-send-email-javier@osg.samsung.com> References: <1476824508-4679-1-git-send-email-javier@osg.samsung.com> Sender: linux-i2c-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org 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/i2c/busses/i2c-digicolor.ko | grep alias $ After this patch: $ modinfo drivers/i2c/busses/i2c-digicolor.ko | grep alias alias: of:N*T*Ccnxt,cx92755-i2cC* alias: of:N*T*Ccnxt,cx92755-i2c Signed-off-by: Javier Martinez Canillas Acked-by: Baruch Siach --- drivers/i2c/busses/i2c-digicolor.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/i2c/busses/i2c-digicolor.c b/drivers/i2c/busses/i2c-digicolor.c index 9604024e0eb0..49f2084f7bb5 100644 --- a/drivers/i2c/busses/i2c-digicolor.c +++ b/drivers/i2c/busses/i2c-digicolor.c @@ -368,6 +368,7 @@ static const struct of_device_id dc_i2c_match[] = { { .compatible = "cnxt,cx92755-i2c" }, { }, }; +MODULE_DEVICE_TABLE(of, dc_i2c_match); static struct platform_driver dc_i2c_driver = { .probe = dc_i2c_probe,