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 746AA14BF92; Wed, 2 Sep 2026 00:08:57 +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=1788307740; cv=none; b=Jsbl6elsQWxugzEpj2Ku69R6PaBKuJf5C4yR8XecUx7Lh3uVpreNXeWyPwNofNPuvTZdni/xlLudpbEmYqTM/OyAx5fetcDnpofSWIzwNEnSKFxE34j6x+WrHsqrnsHVLe9JJrumH7/6S7sMjQeo2teyVWoPn/DMX6LbCuCc0os= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788307740; c=relaxed/simple; bh=ObcgPvUN6UtB/e88qvIKyLy2pbqLncOSzwoqRFTSics=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=PxJwmSqAmB+3ZjfzqqpjOVdrnzXO/WgE9KNvwpHOrR/6v/2gXRAmNGgO3Z6i4XlRtRxvtHBw9ttslX/WR7KUbYb5kceE1k1Y1GT4Q7ZSlsCc6A3qWuRx6qu65SrCP67bJw03e6dgT58DjfSHWnExfe3Ah1RcmnswhkVOOC2Ajlo= 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=vE7OrkFE; 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="vE7OrkFE" 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=izxYeCS7VsJ1gyy3ISM96ulCmU54tHMcPfCgpE2EBac=; b=vE7OrkFEOC3E8le2IooUoWP7sG RmHUD3bvXJkcVVFDXMptXMNi3oShE0vwmanwJGTKe5s+NJmW2iuV4Yhq62ZJxnSWK4IYnBwYc5A/n 0gHgKF2jdIY5RH5khdTt9N6B3/EY5DaS74209H7WkqaAnYtCJXBO7bPW4ma8hptE7ywo=; Received: from andrew by vps0.lunn.ch with local (Exim 4.94.2) (envelope-from ) id 1x1YWh-002RW4-4o; Wed, 02 Sep 2026 02:08:27 +0200 Date: Wed, 2 Sep 2026 02:08:27 +0200 From: Andrew Lunn To: Markus Stockhausen Cc: hkallweit1@gmail.com, linux@armlinux.org.uk, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, netdev@vger.kernel.org, chris.packham@alliedtelesis.co.nz, daniel@makrotopia.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, devicetree@vger.kernel.org Subject: Re: [PATCH net-next v15 03/13] net: mdio: realtek-rtl9300: deny C45 over C22 access Message-ID: <009ea534-2964-407e-a2dd-028cb0c2b157@lunn.ch> References: <20260831143439.2404484-1-markus.stockhausen@gmx.de> <20260831143439.2404484-4-markus.stockhausen@gmx.de> Precedence: bulk X-Mailing-List: devicetree@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: <20260831143439.2404484-4-markus.stockhausen@gmx.de> On Mon, Aug 31, 2026 at 04:34:29PM +0200, Markus Stockhausen wrote: > Hardware polling breaks C45 over C22 PHY access. Currently this > is accepted by the driver but it silently fails with undefined > results. Make the situation clear to the caller by adding checks, > returning an error and giving a one-time warning message. > > Suggested-by: Andrew Lunn > Signed-off-by: Markus Stockhausen Reviewed-by: Andrew Lunn Andrew