From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9442031AF3B; Mon, 12 Jan 2026 19:24:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.17 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768245848; cv=none; b=tcmKjTtVJjtG43JVbZHSMGabTHVXHIBDS/fdonpFUXnbNjlu9VFpdBZSm5UL1uliILonCzKI2FARu7Urx6vOAX1aNEJApsEnVznUTGUL+DF4sEN123gc3bx6wz7PDGO3G/n+fQqG+wO/SU4s4xa8ZrzU2ZsCjizsld7gCvoNA5E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768245848; c=relaxed/simple; bh=bN4bwbhi28MS5T5tqSJFkZ4v6/AwJ2FsMFp7ZiU6cpI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Xw/ulPsA+UbN+OWs3TOsXIdrPynllCKH7nuVX6nmT+LXakSTAQnWEcNkwShoYCq9cl37i+ohFVncRXjOfcN61scfAbxI3lc9ZcO47ZNPRZaLrNcAObAhtlalpTclrpKhE/yszFYBBhZwJwJLOadaN2fklvNginltJV18hmHwyw8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=kdvJL9d3; arc=none smtp.client-ip=192.198.163.17 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="kdvJL9d3" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1768245847; x=1799781847; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=bN4bwbhi28MS5T5tqSJFkZ4v6/AwJ2FsMFp7ZiU6cpI=; b=kdvJL9d3g9q/hNzigYNANvfKsaUYeFbxZ7j4iek+ib0oskwC2bvVsw+w BTBGapFXggBypQ1vH2KRaBujKOHnzILasj/s9lZKI0t6Tw/Qg1+KwYk4k mAMstt157dywkBlG2SBojHiYT/8hHbVLwyq3yiPFARjVdYq8/f2ds47Vx 3zHBoAbH3vo3+18a/R6aW8T0oY2rGHClYMUW7TVBH3xApuGLNM+PTCRit AFAAAWLYtaJ+lNbC7dZ8aREQrXA62WaV3vJooYwTW9O13rg3egGOJsEu+ HYG7P/RhcP9+ihKobkwYg98Ky7uiZcHlufIEtVPZce5eWS2W3GXQysfmS Q==; X-CSE-ConnectionGUID: XORkK+O+QXqjI5RW3J+3VQ== X-CSE-MsgGUID: vsILTBKsTXSMsS5B72CgTQ== X-IronPort-AV: E=McAfee;i="6800,10657,11669"; a="69439915" X-IronPort-AV: E=Sophos;i="6.21,221,1763452800"; d="scan'208";a="69439915" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Jan 2026 11:24:07 -0800 X-CSE-ConnectionGUID: GN4ckk2rS9Gb0aREb5A5MQ== X-CSE-MsgGUID: 1qR7g9R6RKu4bTod1HIBBw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,221,1763452800"; d="scan'208";a="203332012" Received: from dhhellew-desk2.ger.corp.intel.com (HELO localhost) ([10.245.245.37]) by orviesa006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Jan 2026 11:24:00 -0800 Date: Mon, 12 Jan 2026 21:23:58 +0200 From: Andy Shevchenko To: manivannan.sadhasivam@oss.qualcomm.com Cc: Rob Herring , Greg Kroah-Hartman , Jiri Slaby , Nathan Chancellor , Nicolas Schier , Hans de Goede , Ilpo =?iso-8859-1?Q?J=E4rvinen?= , Mark Pearson , "Derek J. Clark" , Manivannan Sadhasivam , Krzysztof Kozlowski , Conor Dooley , Marcel Holtmann , Luiz Augusto von Dentz , Bartosz Golaszewski , Bartosz Golaszewski , linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kbuild@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-bluetooth@vger.kernel.org, linux-pm@vger.kernel.org, Stephan Gerhold , Dmitry Baryshkov , linux-acpi@vger.kernel.org, Bartosz Golaszewski Subject: Re: [PATCH v4 3/9] serdev: Do not return -ENODEV from of_serdev_register_devices() if external connector is used Message-ID: References: <20260112-pci-m2-e-v4-0-eff84d2c6d26@oss.qualcomm.com> <20260112-pci-m2-e-v4-3-eff84d2c6d26@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260112-pci-m2-e-v4-3-eff84d2c6d26@oss.qualcomm.com> Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo On Mon, Jan 12, 2026 at 09:56:02PM +0530, Manivannan Sadhasivam via B4 Relay wrote: > If an external connector like M.2 is connected to the serdev controller > in DT, then the serdev devices may be created dynamically by the connector > driver. So do not return -ENODEV from of_serdev_register_devices() if the > static nodes are not found and the graph node is used. ... > + if (!found && !of_graph_is_present(ctrl->dev.of_node)) dev_of_node() > return -ENODEV; -- With Best Regards, Andy Shevchenko