From mboxrd@z Thu Jan 1 00:00:00 1970 From: Javier Martinez Canillas Subject: [PATCH 1/2] power: supply: max8997_charger: Fix module autoload Date: Mon, 17 Oct 2016 16:13:35 -0300 Message-ID: <1476731616-23995-2-git-send-email-javier@osg.samsung.com> References: <1476731616-23995-1-git-send-email-javier@osg.samsung.com> Return-path: In-Reply-To: <1476731616-23995-1-git-send-email-javier@osg.samsung.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org Cc: Javier Martinez Canillas , Sebastian Reichel , linux-pm@vger.kernel.org List-Id: linux-pm@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/power/supply/max8997_charger.ko | grep alias $ After this patch: $ modinfo drivers/power/supply/max8997_charger.ko | grep alias alias: platform:max8997-battery Signed-off-by: Javier Martinez Canillas --- drivers/power/supply/max8997_charger.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/power/supply/max8997_charger.c b/drivers/power/supply/max8997_charger.c index 0b2eab571528..290ddc12b040 100644 --- a/drivers/power/supply/max8997_charger.c +++ b/drivers/power/supply/max8997_charger.c @@ -184,6 +184,7 @@ static const struct platform_device_id max8997_battery_id[] = { { "max8997-battery", 0 }, { } }; +MODULE_DEVICE_TABLE(platform, max8997_battery_id); static struct platform_driver max8997_battery_driver = { .driver = { -- 2.7.4