From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pandora.armlinux.org.uk (pandora.armlinux.org.uk [78.32.30.218]) (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 DF8B91EB39 for ; Thu, 31 Jul 2025 14:01:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=78.32.30.218 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753970501; cv=none; b=S1T7sSgo2Tz74T1YIyffTWT7u25DV5ievQuIeZIuWWHWylsgH8tjEVKoZ59kKvC1X9jv8cQgRXE7jgY/YTSlGUSZtCkXDIa9weRx7kjylDt8+LOLTFQ+umZNnPBq+D32xkImK+MCcE0Dj6HuAQW7Q3zP6XlTacwfLmWlI8ITXns= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753970501; c=relaxed/simple; bh=USDdoxuGA6Bj5xoS+OOkVS1MDngFx2fcJgdzQZqOgew=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=kV2/A/63Z5xmBUF8/zjp8JqX5zVMVbh4Lo5Y9fm/yKkjDTaWta6njUxtaL3zWk1Y67p7U9G7nosKJnDVnmUXKQCbJIshhIpkWD/TmKe/P6IW6y/NgFkIUzUn6Ue2OLaAj0p9vz9wSujUYU7oNbA0yYUJYEb84/Qj83FIdtWSZjU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=armlinux.org.uk; spf=none smtp.mailfrom=armlinux.org.uk; dkim=pass (2048-bit key) header.d=armlinux.org.uk header.i=@armlinux.org.uk header.b=jjv0QZtt; arc=none smtp.client-ip=78.32.30.218 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=armlinux.org.uk Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=armlinux.org.uk Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=armlinux.org.uk header.i=@armlinux.org.uk header.b="jjv0QZtt" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=dIHqboV7OhWBWWVRbKz+QfM9hEbHqpdnTvADZiKtNiI=; b=jjv0QZttDeWBQoiS1/NFLQHnKK vyelbtFJ35bPwWupYEGfEUsPpL2UqxZUKqmqwdtDCaL/ZvZOUWsWrKSmCwGEhuQDmb0PIsT4+sBia sWeNjseyPLfOrWFJwBngX8jrIHSjTO/if1ICpnKxfDof+sn2cS7vkiiPjuO1Rc8XyDyGZhyJR3Y4L kCg8SDEvk+3k1yNvrjft3k3x7RzGyVDaQC8FiB2YItHs3iUulU95mKs+kwW+xPwtKLVJ1Ggds8xJH Y0FzJei9QG5k8AV/6T/I/i+dVinXnuu0cmlI8YSBOuPvMdS73PEhnWyMKPdVbJN9YCiMfWKKDTyJI Zhgsgymg==; Received: from shell.armlinux.org.uk ([fd8f:7570:feb6:1:5054:ff:fe00:4ec]:33824) by pandora.armlinux.org.uk with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1uhTqY-00054d-1e; Thu, 31 Jul 2025 15:01:26 +0100 Received: from linux by shell.armlinux.org.uk with local (Exim 4.96) (envelope-from ) id 1uhTqT-000152-10; Thu, 31 Jul 2025 15:01:21 +0100 Date: Thu, 31 Jul 2025 15:01:21 +0100 From: "Russell King (Oracle)" To: markus.stockhausen@gmx.de Cc: 'Heiner Kallweit' , andrew@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, michael@fossekall.de, daniel@makrotopia.org, netdev@vger.kernel.org, jan@3e8.eu Subject: Re: AW: [PATCH v2] net: phy: realtek: convert RTL8226-CG to c45 only Message-ID: References: <20250731054445.580474-1-markus.stockhausen@gmx.de> <059901dc0209$a817de50$f8479af0$@gmx.de> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <059901dc0209$a817de50$f8479af0$@gmx.de> Sender: Russell King (Oracle) On Thu, Jul 31, 2025 at 12:55:40PM +0200, markus.stockhausen@gmx.de wrote: > As soon as this bit is set to one mode the bus will block most > accesses with the other mode. E.g. In c22 mode registers 13/14 > are a dead end. So the only option for the bus is to limit access > like this. Why would a bus implementation block access to clause 22 registers 13/14 when operating in clause 22 mode? Or is the above badly phrased? -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!