Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753836AbdCFJZS (ORCPT ); Mon, 6 Mar 2017 04:25:18 -0500 Received: from mx2.suse.de ([195.135.220.15]:37202 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752899AbdCFJNw (ORCPT ); Mon, 6 Mar 2017 04:13:52 -0500 X-Amavis-Alert: BAD HEADER SECTION, Duplicate header field: "References" From: Jiri Slaby To: stable@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Javier Martinez Canillas , Greg Kroah-Hartman , Jiri Slaby Subject: [PATCH 3.12 077/113] tty: serial: msm: Fix module autoload Date: Mon, 6 Mar 2017 10:11:41 +0100 Message-Id: <18232b24595d484b64a1af6f91d0f666cca321ed.1488791431.git.jslaby@suse.cz> X-Mailer: git-send-email 2.12.0 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1582 Lines: 50 From: Javier Martinez Canillas 3.12-stable review patch. If anyone has any objections, please let me know. =============== commit abe81f3b8ed2996e1712d26d38ff6b73f582c616 upstream. 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/tty/serial/msm_serial.ko | grep alias $ After this patch: $ modinfo drivers/tty/serial/msm_serial.ko | grep alias alias: of:N*T*Cqcom,msm-uartdmC* alias: of:N*T*Cqcom,msm-uartdm alias: of:N*T*Cqcom,msm-uartC* alias: of:N*T*Cqcom,msm-uart Signed-off-by: Javier Martinez Canillas Acked-by: Bjorn Andersson Cc: stable Signed-off-by: Greg Kroah-Hartman Signed-off-by: Jiri Slaby --- drivers/tty/serial/msm_serial.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c index c0f2b3e5452f..90ed37e45006 100644 --- a/drivers/tty/serial/msm_serial.c +++ b/drivers/tty/serial/msm_serial.c @@ -973,6 +973,7 @@ static struct of_device_id msm_match_table[] = { { .compatible = "qcom,msm-uartdm" }, {} }; +MODULE_DEVICE_TABLE(of, msm_match_table); static struct platform_driver msm_platform_driver = { .remove = msm_serial_remove, -- 2.12.0