From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id F136ACFA466 for ; Mon, 24 Nov 2025 08:44:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id: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-Owner; bh=lsszvakFMADLxt1ailSrb4YFGJxrr+DQEL8j+TCc3fo=; b=hj7jhArXUqV7RrINcRPqychd+K AQf0+Ji9NJ64fN7j2h3QxKuyyPG3NCFqbp0o8gm3947dkd3U2tWNoFHhNxBUdV6fRw2spfz4kXqtz OITBGVZ0vJxEniGpcaZ/pATbHF+kGzq2luJ5KAqjt+HCgrpfrQlBZOeCRjFev04mmaUhkheJOiOl/ 0M0qIPKxXo8/hgnqZvfB/s5tkyNBgValmj9OyRgK6M5eKHa7Wxe6BZKJv7I081Gh90NSAJGj4MY0f XXkBW+6kHJ7lgFQg7PgtoeKXPSF2ThNeIGDkBlVxzR3M7nEFwBeLyJgoDkimUoooIif0DNF+U+JUQ 4FWfI0sg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vNSAu-0000000BID7-2IfV; Mon, 24 Nov 2025 08:43:56 +0000 Received: from pandora.armlinux.org.uk ([2001:4d48:ad52:32c8:5054:ff:fe00:142]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vNSAq-0000000BICd-48uS for linux-arm-kernel@lists.infradead.org; Mon, 24 Nov 2025 08:43:54 +0000 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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251124001214.GI15447@pendragon.ideasonboard.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251124_004353_049997_8A8CA0E3 X-CRM114-Status: GOOD ( 15.57 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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!