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 7753C1F3B85 for ; Thu, 30 Oct 2025 15:22:27 +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=1761837749; cv=none; b=RcpF3QVwP/FxYY+Uel9RJwLhubkRRSMl8raQiPTd1OhYGEdI13oh5zBzlinubpeG+0+3IxFMmbJOcFXb5Cemz5wDilAW/P/LQ9wKYubrIbaOe1ByAawpaE1niXXuSFSXy1KJe2WjdqEt8J78yshaseY3neNmk/JYz0U1X4ET4G0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761837749; c=relaxed/simple; bh=B6A39tZzPR9y0FqfNHyAhljX6wGd8ndojAQTGjd9kJU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=FgAePXJ4LQ737Ud6U2bjVAyM03dwaCsh5IYOUaGAiGa/J9HjQeKV7QiAKurX6aMd6nWJZNA/YmGpaeymfLDiP95X8WVlHaGW6bXr99f0vFpZFpbFPwK5lTvzQlVLQiOxX7Dsy9ufy+/TZAheDbMt/Ib+TNAIr3hneq6APIA+5lA= 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=hdYVS7H3; 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="hdYVS7H3" 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=2AA1lJsSjmlrTLpgL3yAu8bXZXBBQGx0RoKGKGhqf4A=; b=hdYVS7H3NH9dxPiem6I+4HtOcH 6RC5CD+SpxaKRgVmdIcWRjOP6GDyzAUCXo5suEwQSAjBRlSGBFInmH/iP2X5mmZ9FET/z3a9wEb0C flzUmp51QHLQRtqQLAeX/lUJBpoNDIyC1j2/DDM/lD4ufTcWlcZjKJ71oAMJo7LVzkKQ1Ti/NK8Y4 giwKTmyJZ+bkmrSih85krhfumritfGe7IIQUuaooy37ZdqrQoyRU09ixZkH7MptzFstEJLJ2GrJwa ZUnuw+ALVga4MMsCOh2N1H2Nj+QBV60VIyq+LZDwMz4w8XO1NTLxr8tjVBtwHirmJqFPUmn5C6FU1 82NhBcHA==; Received: from shell.armlinux.org.uk ([fd8f:7570:feb6:1:5054:ff:fe00:4ec]:49282) by pandora.armlinux.org.uk with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1vEUTf-000000005rp-1ua6; Thu, 30 Oct 2025 15:22:15 +0000 Received: from linux by shell.armlinux.org.uk with local (Exim 4.98.2) (envelope-from ) id 1vEUTc-0000000007I-2fqq; Thu, 30 Oct 2025 15:22:12 +0000 Date: Thu, 30 Oct 2025 15:22:12 +0000 From: "Russell King (Oracle)" To: Mohd Ayaan Anwar Cc: Andrew Lunn , Heiner Kallweit , Alexandre Torgue , Alexis =?iso-8859-1?Q?Lothor=E9?= , Andrew Lunn , Boon Khai Ng , Daniel Machon , "David S. Miller" , Eric Dumazet , Furong Xu <0x1207@gmail.com>, Jacob Keller , Jakub Kicinski , "Jan Petrous (OSS)" , linux-arm-kernel@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com, Maxime Chevallier , Maxime Coquelin , netdev@vger.kernel.org, Paolo Abeni , Simon Horman , Vladimir Oltean , Yu-Chun Lin Subject: Re: [PATCH net-next 0/3] net: stmmac: phylink PCS conversion part 3 (dodgy stuff) Message-ID: References: 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: Sender: Russell King (Oracle) On Thu, Oct 30, 2025 at 03:19:27PM +0000, Russell King (Oracle) wrote: > > > > This is probably fine since Bit(9) is self-clearing and its value just > > after this is 0x00041000. > > Yes, and bit 9 doesn't need to be set at all. SGMII isn't "negotiation" > but the PHY says to the MAC "this is how I'm operating" and the MAC says > "okay". Nothing more. > > I'm afraid the presence of snps,ps-speed, this disrupts the test. Note also that testing a 10M link, 100M, 1G and finally 100M again in that order would also be interesting given my question about the RGMII register changes that configure_sgmii does. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!