From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755820AbcJTDeT (ORCPT ); Wed, 19 Oct 2016 23:34:19 -0400 Received: from ec2-52-27-115-49.us-west-2.compute.amazonaws.com ([52.27.115.49]:49419 "EHLO s-opensource.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753431AbcJTDeS (ORCPT ); Wed, 19 Oct 2016 23:34:18 -0400 From: Javier Martinez Canillas To: linux-kernel@vger.kernel.org Cc: Lee Jones , Javier Martinez Canillas , Jassi Brar Subject: [PATCH 1/2] mailbox: mailbox-test: Fix module autoload Date: Thu, 20 Oct 2016 00:34:04 -0300 Message-Id: <1476934445-17718-1-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/mailbox/mailbox-test.ko | grep alias $ After this patch: $ modinfo drivers/mailbox/mailbox-test.ko | grep alias alias: of:N*T*Cmailbox-testC* alias: of:N*T*Cmailbox-test Signed-off-by: Javier Martinez Canillas --- drivers/mailbox/mailbox-test.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mailbox/mailbox-test.c b/drivers/mailbox/mailbox-test.c index 9ca96e9db6bf..deb9c61aebb4 100644 --- a/drivers/mailbox/mailbox-test.c +++ b/drivers/mailbox/mailbox-test.c @@ -357,6 +357,7 @@ static const struct of_device_id mbox_test_match[] = { { .compatible = "mailbox-test" }, {}, }; +MODULE_DEVICE_TABLE(of, mbox_test_match); static struct platform_driver mbox_test_driver = { .driver = { -- 2.7.4