From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755960AbcJTDeU (ORCPT ); Wed, 19 Oct 2016 23:34:20 -0400 Received: from ec2-52-27-115-49.us-west-2.compute.amazonaws.com ([52.27.115.49]:49425 "EHLO s-opensource.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753431AbcJTDeT (ORCPT ); Wed, 19 Oct 2016 23:34:19 -0400 From: Javier Martinez Canillas To: linux-kernel@vger.kernel.org Cc: Lee Jones , Javier Martinez Canillas , Jassi Brar Subject: [PATCH 2/2] mailbox: sti: Fix module autoload for OF registration Date: Thu, 20 Oct 2016 00:34:05 -0300 Message-Id: <1476934445-17718-2-git-send-email-javier@osg.samsung.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1476934445-17718-1-git-send-email-javier@osg.samsung.com> References: <1476934445-17718-1-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/mailbox/mailbox-sti.ko | grep alias alias: platform:mailbox-sti After this patch: $ modinfo drivers/mailbox/mailbox-sti.ko | grep alias alias: platform:mailbox-sti alias: of:N*T*Cst,stih407-mailboxC* alias: of:N*T*Cst,stih407-mailbox Signed-off-by: Javier Martinez Canillas --- drivers/mailbox/mailbox-sti.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mailbox/mailbox-sti.c b/drivers/mailbox/mailbox-sti.c index a334db5c9f1c..41bcd339b68a 100644 --- a/drivers/mailbox/mailbox-sti.c +++ b/drivers/mailbox/mailbox-sti.c @@ -403,6 +403,7 @@ static const struct of_device_id sti_mailbox_match[] = { }, { } }; +MODULE_DEVICE_TABLE(of, sti_mailbox_match); static int sti_mbox_probe(struct platform_device *pdev) { -- 2.7.4