From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S941682AbcJSUcr (ORCPT ); Wed, 19 Oct 2016 16:32:47 -0400 Received: from ec2-52-27-115-49.us-west-2.compute.amazonaws.com ([52.27.115.49]:48141 "EHLO s-opensource.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752113AbcJSUcp (ORCPT ); Wed, 19 Oct 2016 16:32:45 -0400 From: Javier Martinez Canillas To: linux-kernel@vger.kernel.org Cc: Javier Martinez Canillas , Dan Williams , dmaengine@vger.kernel.org, Vinod Koul Subject: [PATCH] dmaengine: fsl_raid: Fix module autoload Date: Wed, 19 Oct 2016 17:32:33 -0300 Message-Id: <1476909154-6305-1-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/dma/fsl_raid.ko | grep alias $ After this patch: $ modinfo drivers/dma/fsl_raid.ko | grep alias alias: of:N*T*Cfsl,raideng-v1.0C* alias: of:N*T*Cfsl,raideng-v1.0 Signed-off-by: Javier Martinez Canillas --- drivers/dma/fsl_raid.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/dma/fsl_raid.c b/drivers/dma/fsl_raid.c index db2f9e1653a2..90d29f90acfb 100644 --- a/drivers/dma/fsl_raid.c +++ b/drivers/dma/fsl_raid.c @@ -881,6 +881,7 @@ static struct of_device_id fsl_re_ids[] = { { .compatible = "fsl,raideng-v1.0", }, {} }; +MODULE_DEVICE_TABLE(of, fsl_re_ids); static struct platform_driver fsl_re_driver = { .driver = { -- 2.7.4