Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964850AbcJQPox (ORCPT ); Mon, 17 Oct 2016 11:44:53 -0400 Received: from ec2-52-27-115-49.us-west-2.compute.amazonaws.com ([52.27.115.49]:36032 "EHLO s-opensource.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964819AbcJQPoh (ORCPT ); Mon, 17 Oct 2016 11:44:37 -0400 From: Javier Martinez Canillas To: linux-kernel@vger.kernel.org Cc: Javier Martinez Canillas , Mauro Carvalho Chehab , linux-renesas-soc@vger.kernel.org, Laurent Pinchart , linux-media@vger.kernel.org Subject: [PATCH 2/5] [media] v4l: rcar-fcp: Fix module autoload for OF registration Date: Mon, 17 Oct 2016 12:44:09 -0300 Message-Id: <1476719053-17600-3-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> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1239 Lines: 40 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/platform/rcar-fcp.ko | grep alias alias: rcar-fcp After this patch: $ modinfo drivers/media/platform/rcar-fcp.ko | grep alias alias: rcar-fcp alias: of:N*T*Crenesas,fcpvC* alias: of:N*T*Crenesas,fcpv alias: of:N*T*Crenesas,fcpfC* alias: of:N*T*Crenesas,fcpf Signed-off-by: Javier Martinez Canillas --- drivers/media/platform/rcar-fcp.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/media/platform/rcar-fcp.c b/drivers/media/platform/rcar-fcp.c index f3a3f31cdfa9..7146fc5ef168 100644 --- a/drivers/media/platform/rcar-fcp.c +++ b/drivers/media/platform/rcar-fcp.c @@ -169,6 +169,7 @@ static const struct of_device_id rcar_fcp_of_match[] = { { .compatible = "renesas,fcpv" }, { }, }; +MODULE_DEVICE_TABLE(of, rcar_fcp_of_match); static struct platform_driver rcar_fcp_platform_driver = { .probe = rcar_fcp_probe, -- 2.7.4