From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753498AbcJNPlZ (ORCPT ); Fri, 14 Oct 2016 11:41:25 -0400 Received: from ec2-52-27-115-49.us-west-2.compute.amazonaws.com ([52.27.115.49]:57307 "EHLO s-opensource.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753725AbcJNPlI (ORCPT ); Fri, 14 Oct 2016 11:41:08 -0400 From: Javier Martinez Canillas To: linux-kernel@vger.kernel.org Cc: Javier Martinez Canillas , Lee Jones Subject: [PATCH 2/2] mfd: hi655x-pmic: Fix module autoload when registered via OF Date: Fri, 14 Oct 2016 12:40:51 -0300 Message-Id: <1476459651-3897-2-git-send-email-javier@osg.samsung.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1476459651-3897-1-git-send-email-javier@osg.samsung.com> References: <1476459651-3897-1-git-send-email-javier@osg.samsung.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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/mfd/hi655x-pmic.ko | grep alias After this patch: $ modinfo drivers/mfd/hi655x-pmic.ko | grep alias alias: of:N*T*Chisilicon,hi655x-pmicC* alias: of:N*T*Chisilicon,hi655x-pmic Signed-off-by: Javier Martinez Canillas --- drivers/mfd/hi655x-pmic.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mfd/hi655x-pmic.c b/drivers/mfd/hi655x-pmic.c index 0fc62995695b..ba706adee38b 100644 --- a/drivers/mfd/hi655x-pmic.c +++ b/drivers/mfd/hi655x-pmic.c @@ -169,6 +169,7 @@ static const struct of_device_id hi655x_pmic_match[] = { { .compatible = "hisilicon,hi655x-pmic", }, {}, }; +MODULE_DEVICE_TABLE(of, hi655x_pmic_match); static struct platform_driver hi655x_pmic_driver = { .driver = { -- 2.7.4