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 70BB21ADFE4; Thu, 16 Apr 2026 14:31:03 +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=1776349865; cv=none; b=YLBSWUZQYZQZCICA11P3oxWQ+CBF+a1bzxm1J0FWfiNUO1Vb6ciNB+tpVMxBylKngJFIaCx2X7AF5oZE5v9mUvUwa2KKM2p2Bu1GQtHaN9UN4x1V85EFMhfKX/Ykay7a+R+DMa5PR8T0d6IDABlvcwYkVqRecmm8mmAC0iBYUTM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776349865; c=relaxed/simple; bh=notZMVhaA9VFBXLOHMpAnuDLOZ7ca4/U/AebILhpowI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=KWkrDu7raOHFRdhle+Z98h5CTp8KEXPPu4c0/RlK+K5oHslGiHkqiEVACoVJS8jCSiD6EItNfK6y8qNiyjGUEoTZVU1VUvElZTH0oy2WFTMmnGIT5TtGwklDuYz2qXEcUgdJeUWzcoWkkSVEHcLRmomgtnpnEjGTSEUnNcVVAJA= 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=CcFjs9kL; 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="CcFjs9kL" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Transfer-Encoding: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=N2n11dxHk9/Ki2gi5ke8JzFzEct0ow5fF/szOMJL9f0=; b=Cc Fjs9kLeNFWC4n+BdtZCreNoN4Q479ftwAVyCLyrdFXwg6RMW4px2XwvH6W0DbseWWpHMo3IK0g5vl Bq5qbK1gX1sUBQpVpNITUBc/0ANfW9SEw8EUnarWbCblEm40//zwD6k/NWCSQsEI5swac+rIkumeR sJUY7DdqnawchVQ=; Received: from andrew by vps0.lunn.ch with local (Exim 4.94.2) (envelope-from ) id 1wDNjy-00GImw-P9; Thu, 16 Apr 2026 16:30:46 +0200 Date: Thu, 16 Apr 2026 16:30:46 +0200 From: Andrew Lunn To: Fidelio LAWSON Cc: Marek Vasut , Woojung Huh , UNGLinuxDriver@microchip.com, Vladimir Oltean , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Chevallier , Simon Horman , Heiner Kallweit , Russell King , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Fidelio Lawson Subject: Re: [PATCH v3 1/3] net: dsa: microchip: implement KSZ87xx Module 3 low-loss cable errata Message-ID: <6a8fc2e6-830f-4f57-869b-41efe70557e5@lunn.ch> References: <20260414-ksz87xx_errata_low_loss_connections-v3-0-0e3838ca98c9@exotec.com> <20260414-ksz87xx_errata_low_loss_connections-v3-1-0e3838ca98c9@exotec.com> <712cc46a-5ceb-4f0f-88bb-fa0a47002258@nabladev.com> <84e24758-2f59-44ca-a9b8-a46094578f83@gmail.com> <03040421-89e7-4422-9fb5-0367a34323e4@lunn.ch> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: > With this model, we don’t need to return -EINVAL for combinations or > ordering, and userspace does not need detailed error reporting. The > tunables behave more like simple setters than a mode switch, which > keeps the API predictable and avoids the need for extack or netlink > ethtool support at this point. Sounds good. Andrew