From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932822AbdABNCm (ORCPT ); Mon, 2 Jan 2017 08:02:42 -0500 Received: from ec2-52-27-115-49.us-west-2.compute.amazonaws.com ([52.27.115.49]:56595 "EHLO osg.samsung.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751331AbdABNCl (ORCPT ); Mon, 2 Jan 2017 08:02:41 -0500 From: Javier Martinez Canillas To: linux-kernel@vger.kernel.org Cc: Javier Martinez Canillas , Sebastian Andrzej Siewior , Suzuki K Poulose , Thomas Gleixner , Pawel Moll , Mark Rutland Subject: [PATCH] bus: arm-ccn: Fix module autoload Date: Mon, 2 Jan 2017 10:02:29 -0300 Message-Id: <1483362149-3771-1-git-send-email-javier@osg.samsung.com> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@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/bus/arm-ccn.ko | grep alias $ After this patch: $ modinfo drivers/bus/arm-ccn.ko | grep alias alias: of:N*T*Carm,ccn-504C* alias: of:N*T*Carm,ccn-504 Signed-off-by: Javier Martinez Canillas --- drivers/bus/arm-ccn.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/bus/arm-ccn.c b/drivers/bus/arm-ccn.c index 4d6a2b7e4d3f..80758f6fdaa5 100644 --- a/drivers/bus/arm-ccn.c +++ b/drivers/bus/arm-ccn.c @@ -1547,6 +1547,7 @@ static const struct of_device_id arm_ccn_match[] = { { .compatible = "arm,ccn-504", }, {}, }; +MODULE_DEVICE_TABLE(of, arm_ccn_match); static struct platform_driver arm_ccn_driver = { .driver = { -- 2.7.4