Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S936166AbcJRVCM (ORCPT ); Tue, 18 Oct 2016 17:02:12 -0400 Received: from ec2-52-27-115-49.us-west-2.compute.amazonaws.com ([52.27.115.49]:43332 "EHLO s-opensource.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934195AbcJRVCJ (ORCPT ); Tue, 18 Oct 2016 17:02:09 -0400 From: Javier Martinez Canillas To: linux-kernel@vger.kernel.org Cc: Javier Martinez Canillas , Baruch Siach , Wolfram Sang , linux-arm-kernel@lists.infradead.org, linux-i2c@vger.kernel.org Subject: [PATCH 4/4] i2c: digicolor: Fix module autoload Date: Tue, 18 Oct 2016 18:01:48 -0300 Message-Id: <1476824508-4679-5-git-send-email-javier@osg.samsung.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1476824508-4679-1-git-send-email-javier@osg.samsung.com> References: <1476824508-4679-1-git-send-email-javier@osg.samsung.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1113 Lines: 38 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/i2c/busses/i2c-digicolor.ko | grep alias $ After this patch: $ modinfo drivers/i2c/busses/i2c-digicolor.ko | grep alias alias: of:N*T*Ccnxt,cx92755-i2cC* alias: of:N*T*Ccnxt,cx92755-i2c Signed-off-by: Javier Martinez Canillas --- drivers/i2c/busses/i2c-digicolor.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/i2c/busses/i2c-digicolor.c b/drivers/i2c/busses/i2c-digicolor.c index 9604024e0eb0..49f2084f7bb5 100644 --- a/drivers/i2c/busses/i2c-digicolor.c +++ b/drivers/i2c/busses/i2c-digicolor.c @@ -368,6 +368,7 @@ static const struct of_device_id dc_i2c_match[] = { { .compatible = "cnxt,cx92755-i2c" }, { }, }; +MODULE_DEVICE_TABLE(of, dc_i2c_match); static struct platform_driver dc_i2c_driver = { .probe = dc_i2c_probe, -- 2.7.4