From patchwork Mon Oct 17 15:44:10 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: 9379657 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 76391607D4 for ; Mon, 17 Oct 2016 15:45:13 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 675D729268 for ; Mon, 17 Oct 2016 15:45:13 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5B90E2926E; Mon, 17 Oct 2016 15:45:13 +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 19E5B29268 for ; Mon, 17 Oct 2016 15:45:13 +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 1bwA68-0001Ux-Ed; Mon, 17 Oct 2016 15:45:08 +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 1bwA5w-00019U-RP; Mon, 17 Oct 2016 15:44:58 +0000 Received: from localhost (localhost [127.0.0.1]) by s-opensource.com (Postfix) with ESMTP id 89F0BA0DFA; Mon, 17 Oct 2016 15:44:47 +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 9QUVkV821WWW; Mon, 17 Oct 2016 15:44:47 +0000 (UTC) Received: from minerva.sisa.samsung.com (unknown [181.121.136.80]) by s-opensource.com (Postfix) with ESMTPSA id A9CF9A0E79; Mon, 17 Oct 2016 15:44:43 +0000 (UTC) From: Javier Martinez Canillas To: linux-kernel@vger.kernel.org Subject: [PATCH 3/5] [media] rc: meson-ir: Fix module autoload Date: Mon, 17 Oct 2016 12:44:10 -0300 Message-Id: <1476719053-17600-4-git-send-email-javier@osg.samsung.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1476719053-17600-1-git-send-email-javier@osg.samsung.com> References: <1476719053-17600-1-git-send-email-javier@osg.samsung.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20161017_084457_074506_56798F54 X-CRM114-Status: UNSURE ( 8.63 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Neil Armstrong , Martin Blumenstingl , Kevin Hilman , Javier Martinez Canillas , Carlo Caione , linux-amlogic@lists.infradead.org, Mauro Carvalho Chehab , linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org MIME-Version: 1.0 Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+patchwork-linux-amlogic=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/media/rc/meson-ir.ko | grep alias $ After this patch: $ modinfo drivers/media/rc/meson-ir.ko | grep alias alias: of:N*T*Camlogic,meson-gxbb-irC* alias: of:N*T*Camlogic,meson-gxbb-ir alias: of:N*T*Camlogic,meson8b-irC* alias: of:N*T*Camlogic,meson8b-ir alias: of:N*T*Camlogic,meson6-irC* alias: of:N*T*Camlogic,meson6-ir Signed-off-by: Javier Martinez Canillas Acked-by: Kevin Hilman --- drivers/media/rc/meson-ir.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/media/rc/meson-ir.c b/drivers/media/rc/meson-ir.c index 003fff07ade2..7eb3f4f1ddcd 100644 --- a/drivers/media/rc/meson-ir.c +++ b/drivers/media/rc/meson-ir.c @@ -218,6 +218,7 @@ static const struct of_device_id meson_ir_match[] = { { .compatible = "amlogic,meson-gxbb-ir" }, { }, }; +MODULE_DEVICE_TABLE(of, meson_ir_match); static struct platform_driver meson_ir_driver = { .probe = meson_ir_probe,