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 7262E2EB5D4 for ; Mon, 24 Nov 2025 08:43:51 +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=1763973834; cv=none; b=fY6IoF6coNnimHgmldM/SjHMBdqnFC6FU5MNuL1ijsQli6feT6gKiFRVj/18KOx9c+CY2sWWNcrMzB7QW7s3i6PZ0EV4HM5GqScqW5Fm9NDiUbjjLLizY19PcmHW+wT4JK/tsF0/Xb4B6U9cQzC6upvYT6kp2ZGRlw9oGY4Hm8A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763973834; c=relaxed/simple; bh=Kws+6hHqLaE358GJ8oQhHsOD8lXagFw7+j3g/9Ifp28=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=E75sBnB462I6sVFFzEHypjM9D3G874zsmbm/j620e2PqJoNli57WJtsTT1qgS6DGvFTyBYu+V/sMTviZ99xNAf0OTjl2lesVeYYV7nrJefIjmmhAKQtVzPOzdnnjVc8+DH0vp0/VPXLpN2zsrSSMIuLXUgNm1HQYDVgrfRCPRLo= 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=WoPfX9Uk; 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="WoPfX9Uk" 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=lsszvakFMADLxt1ailSrb4YFGJxrr+DQEL8j+TCc3fo=; b=WoPfX9Uk8qnphiu8EMJ3Wlfh16 fPLyXjYCpwt/dCPT6kNlprnhYXeKIRcWI5lhGA5SPVpmDY4zIb+SQNvHNwTY7q1amDotdwNRZhwxN XRWp2OiV7dOsu6nawrJm5uDsuE/Qg+77SskyUXygzsRmKeFn1MIdaJ3clWI9SMhZovhqHL7kUzk9p WfNK2S01Df+Xmvd4kwQQSpM6azjYTOP6sFMdetNhUpmSTj7HUF2mnA+LyLSNsvIUdWY1bxfsjEcRB ZFdOIpcz85N32G0iv8F/sSNWBrTGJI99SHb2i9oKctm/ypWRfLEP5uKWETLRfla8Tr1hJn6MGpEQh IgHOebmA==; Received: from shell.armlinux.org.uk ([fd8f:7570:feb6:1:5054:ff:fe00:4ec]:40182) 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 1vNSAl-000000001TY-3flY; Mon, 24 Nov 2025 08:43:47 +0000 Received: from linux by shell.armlinux.org.uk with local (Exim 4.98.2) (envelope-from ) id 1vNSAj-0000000088I-3hgz; Mon, 24 Nov 2025 08:43:45 +0000 Date: Mon, 24 Nov 2025 08:43:45 +0000 From: "Russell King (Oracle)" To: Laurent Pinchart Cc: Wei Fang , Clark Wang , Oleksij Rempel , Emanuele Ghidoli , "devicetree@vger.kernel.org" , "imx@lists.linux.dev" , "linux-arm-kernel@lists.infradead.org" , Daniel Scally , Kieran Bingham , Stefan Klug , Conor Dooley , Fabio Estevam , Krzysztof Kozlowski , Pengutronix Kernel Team , Rob Herring , Sascha Hauer , Shawn Guo Subject: Re: [PATCH] arm64: dts: imx8mp-debix-model-a: Disable EEE for 1000T Message-ID: References: <20251114222654.GI30434@pendragon.ideasonboard.com> <20251122072246.GA16239@pendragon.ideasonboard.com> <20251123053802.GA25329@pendragon.ideasonboard.com> <20251123152356.GF15447@pendragon.ideasonboard.com> <20251124001214.GI15447@pendragon.ideasonboard.com> 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: <20251124001214.GI15447@pendragon.ideasonboard.com> Sender: Russell King (Oracle) On Mon, Nov 24, 2025 at 09:12:14AM +0900, Laurent Pinchart wrote: > On Sun, Nov 23, 2025 at 05:11:27PM +0000, Russell King (Oracle) wrote: > > On Mon, Nov 24, 2025 at 12:23:56AM +0900, Laurent Pinchart wrote: > > > You're right. I've checked replied to the patch with the following > > > numbers. > > > > > > 100TX link, eee-broken-* set: 7000 interrupts > > > 1000T link, eee-broken-* set: 2711 interrupts > > > 100TX link, eee-broken-* unset: 9450 interrupts > > > 1000T link, eee-broken-* unset: 6066 interrupts > > > > Sadly, I think this means for iMX8MP, the correct answer is to disable > > EEE completely. What I was thinking when I brought this up is as follows > > and dwmac-imx.c can set STMMAC_FLAG_EEE_DISABLE for iMX8MP to prevent > > the use of EEE. > > I suppose there's no way to disable EEE in the RX path while keeping it > enabled in the TX path ? Sadly not, sorry. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!