From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from vps0.lunn.ch (vps0.lunn.ch [156.67.10.101]) (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 EF38C342C9D; Thu, 11 Sep 2025 22:12:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=156.67.10.101 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757628781; cv=none; b=qb2qWdlQowmpcjMyJdTcokX/Btns8lE09ZII2e3J82NRW4OxwCI65qPu0mdLOl+1WfKIC+2sJrLryCCt6bK9KAjCYZTP8uhuI3fMIm2+g0rWUQvbSoNHOVpH1dMr1PVdCTuAV3RfkGPwXd3IImN/SC7choRQIMgtwI1Nqwg7o4s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757628781; c=relaxed/simple; bh=8qAW7k+pdxj330R+9BUzLfefS6+eHgrjIwHtht4fASY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=YUMK5KIthjZ5Mm/e4CxunImaOagY2Jj3hkHd9d8z96n3/CW271fBpw0qE9arUY6cyezgLP5ErE+kYY4H/PKL4MG/+SMnZ9X387o7Der8B462LskygHtZ4e6ZYCcy0c/Rkv2dLj+TCy2jxek0tiWoYuOAdQmtwLxFwl2e0Dyldzo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lunn.ch; spf=pass smtp.mailfrom=lunn.ch; dkim=pass (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b=RUSWSziV; arc=none smtp.client-ip=156.67.10.101 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lunn.ch Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lunn.ch Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b="RUSWSziV" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Disposition:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:From:Sender:Reply-To:Subject: Date:Message-ID:To:Cc:MIME-Version:Content-Type:Content-Transfer-Encoding: Content-ID:Content-Description:Content-Disposition:In-Reply-To:References; bh=k38r4YA5840dqQerOX6ASJvj7ltULIdsb+/xx7kZDp4=; b=RUSWSziVQseGJ3SzEMC5DuSIof xSJSdXq3E10/hf6iFm61jJPQi3jJswsp5oxz3zVxrfjSr1J+Fj4l0qv7VTcMtkWc3f4O/Crfd6iS1 Hf7hA9A83Kwc+SfQwLkSz19rrepirv6/5Kt8JLN/PLhz6IcJge/qJUMMLi3dNf6wkFxc=; Received: from andrew by vps0.lunn.ch with local (Exim 4.94.2) (envelope-from ) id 1uwpX6-0088t2-RU; Fri, 12 Sep 2025 00:12:48 +0200 Date: Fri, 12 Sep 2025 00:12:48 +0200 From: Andrew Lunn To: Josua Mayer Cc: Gregory Clement , Sebastian Hesselbarth , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Frank Wunderlich , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH v2 3/4] arm64: dts: marvell: cn9132-clearfog: fix multi-lane pci x2 and x4 ports Message-ID: <9272b233-b710-4e57-b3ff-735f45c03c74@lunn.ch> References: <20250911-cn913x-sr-fix-sata-v2-0-0d79319105f8@solid-run.com> <20250911-cn913x-sr-fix-sata-v2-3-0d79319105f8@solid-run.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: <20250911-cn913x-sr-fix-sata-v2-3-0d79319105f8@solid-run.com> On Thu, Sep 11, 2025 at 08:28:06PM +0200, Josua Mayer wrote: > The mvebu-comphy driver does not currently know how to pass correct > lane-count to ATF while configuring the serdes lanes. > > This causes the system to hard reset during reconfiguration, if a pci > card is present and has established a link during bootloader. > > Remove the comphy handles from the respective pci nodes to avoid runtime > reconfiguration, relying solely on bootloader configuration - while > avoiding the hard reset. > > When bootloader has configured the lanes correctly, the pci ports are > functional under Linux. Does this require a specific bootloader? Can i use mainline grub or bareboot? Andrew