From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932554AbcJNQAz (ORCPT ); Fri, 14 Oct 2016 12:00:55 -0400 Received: from ec2-52-27-115-49.us-west-2.compute.amazonaws.com ([52.27.115.49]:57390 "EHLO s-opensource.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932353AbcJNQAh (ORCPT ); Fri, 14 Oct 2016 12:00:37 -0400 From: Javier Martinez Canillas To: linux-kernel@vger.kernel.org Cc: Javier Martinez Canillas , Dmitry Torokhov , Support Opensource , linux-input@vger.kernel.org Subject: [PATCH 2/2] Input: da9063 - fix module autoload when registered via OF Date: Fri, 14 Oct 2016 13:00:19 -0300 Message-Id: <1476460819-12809-2-git-send-email-javier@osg.samsung.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1476460819-12809-1-git-send-email-javier@osg.samsung.com> References: <1476460819-12809-1-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/input/misc/da9063_onkey.ko | grep alias alias: platform:da9063-onkey After this patch: $ modinfo drivers/input/misc/da9063_onkey.ko | grep alias alias: platform:da9063-onkey alias: of:N*T*Cdlg,da9062-onkeyC* alias: of:N*T*Cdlg,da9062-onkey alias: of:N*T*Cdlg,da9063-onkeyC* alias: of:N*T*Cdlg,da9063-onkey Signed-off-by: Javier Martinez Canillas --- drivers/input/misc/da9063_onkey.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/input/misc/da9063_onkey.c b/drivers/input/misc/da9063_onkey.c index bb863e062b03..f0d0543562df 100644 --- a/drivers/input/misc/da9063_onkey.c +++ b/drivers/input/misc/da9063_onkey.c @@ -87,6 +87,7 @@ static const struct of_device_id da9063_compatible_reg_id_table[] = { { .compatible = "dlg,da9062-onkey", .data = &da9062_regs }, { }, }; +MODULE_DEVICE_TABLE(of, da9063_compatible_reg_id_table); static void da9063_poll_on(struct work_struct *work) { -- 2.7.4