Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754683AbcJNOf2 (ORCPT ); Fri, 14 Oct 2016 10:35:28 -0400 Received: from ec2-52-27-115-49.us-west-2.compute.amazonaws.com ([52.27.115.49]:57019 "EHLO s-opensource.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754252AbcJNOfX (ORCPT ); Fri, 14 Oct 2016 10:35:23 -0400 From: Javier Martinez Canillas To: linux-kernel@vger.kernel.org Cc: Javier Martinez Canillas , Zhang Rui , Eduardo Valentin , linux-pm@vger.kernel.org Subject: [PATCH 1/3] thermal: max77620: Fix module autoload Date: Fri, 14 Oct 2016 11:35:00 -0300 Message-Id: <1476455702-21748-2-git-send-email-javier@osg.samsung.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1476455702-21748-1-git-send-email-javier@osg.samsung.com> References: <1476455702-21748-1-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: 1091 Lines: 36 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/thermal/max77620_thermal.ko | grep alias $ After this patch: $ modinfo drivers/thermal/max77620_thermal.ko | grep alias alias: platform:max77620-thermal Signed-off-by: Javier Martinez Canillas --- drivers/thermal/max77620_thermal.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/thermal/max77620_thermal.c b/drivers/thermal/max77620_thermal.c index 83905ff46e40..e9a1fe342760 100644 --- a/drivers/thermal/max77620_thermal.c +++ b/drivers/thermal/max77620_thermal.c @@ -149,6 +149,7 @@ static struct platform_device_id max77620_thermal_devtype[] = { { .name = "max77620-thermal", }, {}, }; +MODULE_DEVICE_TABLE(platform, max77620_thermal_devtype); static struct platform_driver max77620_thermal_driver = { .driver = { -- 2.7.4