Received: by 2002:a05:6a10:f3d0:0:0:0:0 with SMTP id a16csp115824pxv; Wed, 30 Jun 2021 01:08:56 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwutTbLH8wD/IO4hx+XaKflp5uti0EA55XdiScMKB06J/dZx4eptLxPaS3vbNSqMVTAJGlQ X-Received: by 2002:a17:906:35c7:: with SMTP id p7mr33666498ejb.277.1625040536773; Wed, 30 Jun 2021 01:08:56 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1625040536; cv=none; d=google.com; s=arc-20160816; b=u7w6n4DthWf0xjL6xJHVkWFbi6hpjYCjpF+5RD/hAex1uQulUiavlIKwBXHmatlbRf Z0zP+qt+DkqFmO18abRpvtsQ55ue7gDFFGduuus/0jBBuS/s+MuiFEh8NqHRCjgs2FXw caB2SnNuEXtI+VacJxHGdkVbBrfb+OY8YFHhUsBgrQ+zUR/ypz58pjon4EeZFpVvWJW6 tIJiCXr8AoNALTPxPGalsguuYa4eZ8Cb/TJUGKc0QrSNovVNmcV3hTT3H3JLkWrL+4fT mxZsH7cLq1g16AKqe6tbBTnZmO5d643GgqGVv89TbsB2l0gYC1zO5S8yjk8minuyeLd+ M1OQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:organization:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=oLO28bNOwwQfB4eNbAEaX8R23frC1qUUrS3A+Y8p/vg=; b=SMY5CWN7Le6uks3824vtQfHm/rC0xKMy8cmjJx4E9dmYoMrSrXf+pbkrisZCrxPce/ nUMXBuAriCJ50f4HrEWFzJBBwccu0uznbMnDqTlAQG1fotk/A0CkeCCTZmkEP7TrY2XG iHExL1OUIvMMOmardkm9sotimkyc2IYsV5svKcLUJFgT5OJgcBO0qlC8UAoXGB7LOwQH +adFxtuFthWg2zJRPjCMLY52SEvo+2fI7mNBI/CBu7PXrzViFPmL8XvJRxdNEinJX0t6 yLocsNRlO+/Vp805IchCxhual4Y+WPGpieNTmlxlRFfe1hkssjT8duuFu8UspG54c/7t rWwg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id f7si20125076edy.552.2021.06.30.01.08.33; Wed, 30 Jun 2021 01:08:56 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233079AbhF3IKF (ORCPT + 99 others); Wed, 30 Jun 2021 04:10:05 -0400 Received: from mga14.intel.com ([192.55.52.115]:51495 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232966AbhF3IKE (ORCPT ); Wed, 30 Jun 2021 04:10:04 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10030"; a="208129836" X-IronPort-AV: E=Sophos;i="5.83,311,1616482800"; d="scan'208";a="208129836" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Jun 2021 01:07:33 -0700 X-IronPort-AV: E=Sophos;i="5.83,311,1616482800"; d="scan'208";a="641620819" Received: from smile.fi.intel.com (HELO smile) ([10.237.68.40]) by fmsmga006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Jun 2021 01:07:28 -0700 Received: from andy by smile with local (Exim 4.94.2) (envelope-from ) id 1lyVFj-006W5i-Cc; Wed, 30 Jun 2021 11:07:23 +0300 Date: Wed, 30 Jun 2021 11:07:23 +0300 From: Andy Shevchenko To: Arnd Bergmann Cc: Jie Deng , Wolfram Sang , Linux I2C , virtualization@lists.linux-foundation.org, Linux Kernel Mailing List , "Michael S. Tsirkin" , Jason Wang , conghui.chen@intel.com, kblaiech@mellanox.com, jarkko.nikula@linux.intel.com, Sergey Semin , Mike Rapoport , loic.poulain@linaro.org, Tali Perry , Uwe =?iso-8859-1?Q?Kleine-K=F6nig?= , Bjorn Andersson , yu1.wang@intel.com, shuo.a.liu@intel.com, Viresh Kumar , Stefan Hajnoczi , Paolo Bonzini Subject: Re: [PATCH v10] i2c: virtio: add a virtio i2c frontend driver Message-ID: References: <226a8d5663b7bb6f5d06ede7701eedb18d1bafa1.1616493817.git.jie.deng@intel.com> <05cc9484-f97b-0533-64fe-ff917c6b87ee@intel.com> <3016ab8b-cbff-1309-6a1f-080703a4130f@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jun 30, 2021 at 09:55:49AM +0200, Arnd Bergmann wrote: > On Wed, Jun 30, 2021 at 9:51 AM Jie Deng wrote: ... > On a related note, we are apparently still missing the bit in the virtio bus > layer that fills in the dev->of_node pointer of the virtio device. Without > this, it is not actually possible to automatically probe i2c devices connected > to a virtio-i2c bus. The same problem came up again with the virtio-gpio > driver that suffers from the same issue. Don't we need to take care about fwnode handle as well? -- With Best Regards, Andy Shevchenko