From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755898AbdEIQG4 (ORCPT ); Tue, 9 May 2017 12:06:56 -0400 Received: from bh-25.webhostbox.net ([208.91.199.152]:42079 "EHLO bh-25.webhostbox.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754605AbdEIQFE (ORCPT ); Tue, 9 May 2017 12:05:04 -0400 From: Guenter Roeck To: Greg Kroah-Hartman Cc: Yueyao Zhu , devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org, Javier Martinez Canillas , Guenter Roeck Subject: [PATCH 2/7] staging: typec: fusb302: Fix module autoload Date: Tue, 9 May 2017 09:04:54 -0700 Message-Id: <1494345899-14283-2-git-send-email-linux@roeck-us.net> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1494345899-14283-1-git-send-email-linux@roeck-us.net> References: <1494345899-14283-1-git-send-email-linux@roeck-us.net> X-Authenticated_sender: guenter@roeck-us.net X-OutGoing-Spam-Status: No, score=-1.0 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - bh-25.webhostbox.net X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - roeck-us.net X-Get-Message-Sender-Via: bh-25.webhostbox.net: authenticated_id: guenter@roeck-us.net X-Authenticated-Sender: bh-25.webhostbox.net: guenter@roeck-us.net X-Source: X-Source-Args: X-Source-Dir: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Javier Martinez Canillas 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 OF and I2C device ID table entries as module aliases, using the MODULE_DEVICE_TABLE() macro. Before this patch: $ modinfo drivers/staging/typec/fusb302/fusb302.ko | grep alias $ After this patch: $ modinfo drivers/staging/typec/fusb302/fusb302.ko | grep alias alias: of:N*T*Cfcs,fusb302C* alias: of:N*T*Cfcs,fusb302 alias: i2c:typec_fusb302 Signed-off-by: Javier Martinez Canillas Signed-off-by: Guenter Roeck --- drivers/staging/typec/fusb302/fusb302.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/staging/typec/fusb302/fusb302.c b/drivers/staging/typec/fusb302/fusb302.c index 2cee9a952c9b..aa460f93a293 100644 --- a/drivers/staging/typec/fusb302/fusb302.c +++ b/drivers/staging/typec/fusb302/fusb302.c @@ -1787,11 +1787,13 @@ static const struct of_device_id fusb302_dt_match[] = { {.compatible = "fcs,fusb302"}, {}, }; +MODULE_DEVICE_TABLE(of, fusb302_dt_match); static const struct i2c_device_id fusb302_i2c_device_id[] = { {"typec_fusb302", 0}, {}, }; +MODULE_DEVICE_TABLE(i2c, fusb302_i2c_device_id); static const struct dev_pm_ops fusb302_pm_ops = { .suspend = fusb302_pm_suspend, -- 2.7.4