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: 9383039 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 85EB0600CA for ; Tue, 18 Oct 2016 21:03:59 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 76E262964C for ; Tue, 18 Oct 2016 21:03:59 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6B6E829742; Tue, 18 Oct 2016 21:03:59 +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 040402964C for ; Tue, 18 Oct 2016 21:03:59 +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 1bwbX5-0002GC-RK; Tue, 18 Oct 2016 21:02:47 +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 1bwbWj-00023k-Hf for linux-arm-kernel@lists.infradead.org; Tue, 18 Oct 2016 21:02:27 +0000 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 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> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20161018_140225_895166_FC26E670 X-CRM114-Status: UNSURE ( 9.13 ) 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: Javier Martinez Canillas , Baruch Siach , linux-i2c@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Wolfram Sang 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/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,