From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752821AbcBOSj6 (ORCPT ); Mon, 15 Feb 2016 13:39:58 -0500 Received: from foss.arm.com ([217.140.101.70]:47231 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752143AbcBOSj5 (ORCPT ); Mon, 15 Feb 2016 13:39:57 -0500 Subject: Re: arm qemu test failures due to 'driver-core: platform: probe of-devices only using list of compatibles' To: Guenter Roeck , =?UTF-8?Q?Uwe_Kleine-K=c3=b6nig?= References: <20160214165010.GA3189@roeck-us.net> <20160215105909.GH12289@pengutronix.de> <56C1F19F.8090100@roeck-us.net> <20160215170025.GJ12289@pengutronix.de> <56C21518.5030606@roeck-us.net> Cc: Sudeep Holla , Greg Kroah-Hartman , linux-next@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org From: Sudeep Holla Organization: ARM Message-ID: <56C21B79.8000408@arm.com> Date: Mon, 15 Feb 2016 18:39:53 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.5.1 MIME-Version: 1.0 In-Reply-To: <56C21518.5030606@roeck-us.net> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 15/02/16 18:12, Guenter Roeck wrote: [...] > > I added some debugging on top of your patch, and get: > > platform basic-mmio-gpio.1.auto: Device node exists > [/smb/motherboard/iofpga@7,00000000/sysreg@00000/sys_led@08], > of_driver_match_device() failed > platform basic-mmio-gpio.1.auto: platform_match_id() succeeded > platform basic-mmio-gpio.2.auto: Device node exists > [/smb/motherboard/iofpga@7,00000000/sysreg@00000/sys_mci@48], > of_driver_match_device() failed > platform basic-mmio-gpio.2.auto: platform_match_id() succeeded > platform basic-mmio-gpio.3.auto: Device node exists > [/smb/motherboard/iofpga@7,00000000/sysreg@00000/sys_flash@4c], > of_driver_match_device() failed > platform basic-mmio-gpio.3.auto: platform_match_id() succeeded > > So it isn't the mmc driver failing to instantiate directly, > but (I think) vexpress-sysreg. > That's correct, I could reproduce this issue and reported with similar analysis earlier [1] -- Regards, Sudeep [1] http://www.spinics.net/lists/arm-kernel/msg483107.html