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 C785619F48D; Mon, 24 Feb 2025 03:36:55 +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=1740368220; cv=none; b=seuMsiq8EhIuWEGQCiOwzbpVmrL9xifc2vjUJi7/UOikYZ70Em5tMTfJV/dIHt+CcmkUOsyo3ACro5N0zs9Nuw0fXgFdhgXK8w/SOxzCevVNYmyM0png6Blv9QP5XCBFT56Hq+XlWU+igLqzfzXhm9MvoWqYCsu85RKywJN11gU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740368220; c=relaxed/simple; bh=2MghzfEybTbaDT4h1UamnJYUFiO/it1dwZvswctKrog=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Mz0QefHZLIuC708q3oZdPLxibB1Rczek2TQ1/7qeUA2x68k6LX2uY3vay/OhEIDQo4ghyuq5Wh9vksjppePtwzR0uHezdh8xL4P0RcSKZjo75KO8TwJMIV26ER8EhRYJ6SAUIUJashH6VncQwKGB6qnml1uhFWGRfP7/zCi6ssY= 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=Qnsup52z; 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="Qnsup52z" 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=YpNO+c6fto5jPuYraaG0BE3x8Zo7nWvaRTcmjs1cjT4=; b=Qnsup52zYs7E/uQUFhfzcvWcHU y06TZe1GmAzZudryWxeREUkDQmBTHVX1IkECBHazLH5ivrukhyAlF/vMPFiVjQXGQq+NUMFRUgjuN 1peD8ni1drEoz4ibG1hHU7MQ924FovjnCH6nsOrUmshuEZM75RFLNJS3vpU8mpm75qDU=; Received: from andrew by vps0.lunn.ch with local (Exim 4.94.2) (envelope-from ) id 1tmPGz-00H1nK-MA; Mon, 24 Feb 2025 04:36:49 +0100 Date: Mon, 24 Feb 2025 04:36:49 +0100 From: Andrew Lunn To: Maxime Chevallier Cc: davem@davemloft.net, Jakub Kicinski , Eric Dumazet , Paolo Abeni , Russell King , Heiner Kallweit , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, thomas.petazzoni@bootlin.com, Florian Fainelli , =?iso-8859-1?Q?K=F6ry?= Maincent , Simon Horman , Romain Gantois , Antoine Tenart , Marek =?iso-8859-1?Q?Beh=FAn?= Subject: Re: [PATCH net-next 2/2] net: mdio: mdio-i2c: Add support for single-byte SMBus operations Message-ID: <4ff4113d-f97d-4d40-bd7e-cdba6f30b6ee@lunn.ch> References: <20250223172848.1098621-1-maxime.chevallier@bootlin.com> <20250223172848.1098621-3-maxime.chevallier@bootlin.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: <20250223172848.1098621-3-maxime.chevallier@bootlin.com> > This was only tested on Copper SFP modules that embed a Marvell 88e1111 > PHY. Does the Marvell PHY datasheet say what happens when you perform 8 bit accesses to 16 bit registers, such at the BMSR? Andrew