Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964905AbcJQPpE (ORCPT ); Mon, 17 Oct 2016 11:45:04 -0400 Received: from ec2-52-27-115-49.us-west-2.compute.amazonaws.com ([52.27.115.49]:36049 "EHLO s-opensource.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935237AbcJQPou (ORCPT ); Mon, 17 Oct 2016 11:44:50 -0400 From: Javier Martinez Canillas To: linux-kernel@vger.kernel.org Cc: Javier Martinez Canillas , Mauro Carvalho Chehab , Marek Szyprowski , Arnd Bergmann , devel@driverdev.osuosl.org, Sylwester Nawrocki , Kamil Debski , Greg Kroah-Hartman , Hans Verkuil , linux-media@vger.kernel.org Subject: [PATCH 4/5] [media] s5p-cec: Fix module autoload Date: Mon, 17 Oct 2016 12:44:11 -0300 Message-Id: <1476719053-17600-5-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: 1109 Lines: 37 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/staging/media/s5p-cec/s5p-cec.ko | grep alias $ After this patch: $ modinfo drivers/staging/media/s5p-cec/s5p-cec.ko | grep alias alias: of:N*T*Csamsung,s5p-cecC* alias: of:N*T*Csamsung,s5p-cec Signed-off-by: Javier Martinez Canillas --- drivers/staging/media/s5p-cec/s5p_cec.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/staging/media/s5p-cec/s5p_cec.c b/drivers/staging/media/s5p-cec/s5p_cec.c index 1780a08b73c9..4e41f72dbfaa 100644 --- a/drivers/staging/media/s5p-cec/s5p_cec.c +++ b/drivers/staging/media/s5p-cec/s5p_cec.c @@ -263,6 +263,7 @@ static const struct of_device_id s5p_cec_match[] = { }, {}, }; +MODULE_DEVICE_TABLE(of, s5p_cec_match); static struct platform_driver s5p_cec_pdrv = { .probe = s5p_cec_probe, -- 2.7.4