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 X-Spam-Level: X-Spam-Status: No, score=-4.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BCB0BC43219 for ; Fri, 3 May 2019 14:18:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8C4F22075E for ; Fri, 3 May 2019 14:18:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="oKBQ9jJz" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728121AbfECOSi (ORCPT ); Fri, 3 May 2019 10:18:38 -0400 Received: from mail-qt1-f196.google.com ([209.85.160.196]:36025 "EHLO mail-qt1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728099AbfECOSi (ORCPT ); Fri, 3 May 2019 10:18:38 -0400 Received: by mail-qt1-f196.google.com with SMTP id c35so6859802qtk.3 for ; Fri, 03 May 2019 07:18:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:message-id:from:to:cc:subject:in-reply-to:references :mime-version:content-disposition:content-transfer-encoding; bh=rb8Mx+g4Pod9+vQCEzf0V/B1ONsCIV369znyJ5DEqnM=; b=oKBQ9jJzg/1QNyhIMfDQ0BKSV7R2j4v0HsVV6HFnWsbXSCC9imI3hM8GLRog0agU6n KJoqBwECa2Uzf271t2dR/OP5pBFHwsaJOxqGapXcFOJ+ENqyHmVfrdxfGNV56k8agNxv SqYaKc4lNGJAE7jdvG981EF/SZWeI+2bbSzXxZ1CspJp/GvkMVmLXyHt1HXTtKQYqBUC FnfuYs7oHO4AHOgy7FXXQTNS8zvuTZ7J+MldpyBzLm4v4YdSBtgTEx+pqgs1b343I/c4 8hOSxrBbJfyqVztQLH1lHtAPXVm9239ybObqGWBD6RVVwhx6Etr7IpTxr1kTR0KDhi26 zWVA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:message-id:from:to:cc:subject:in-reply-to :references:mime-version:content-disposition :content-transfer-encoding; bh=rb8Mx+g4Pod9+vQCEzf0V/B1ONsCIV369znyJ5DEqnM=; b=D0fzQtXsDmdP/HOtxIhcCl+NOusvcNO5DRBUbRO1eQ+F47wji/YP1XIKKtBYbdUMs4 EZB0ZShIaY8IGIU+mR0E5GioGHmR/DkAweaQCKrC5Zaw5NHVHnkuD+koTwJkXNXRDEON QJGGpLU0146Qq8Y3bAwQDP6zQuKEL+ep3UDCtH21zZgvQbBL36XSB/cQCU3vLSTM+Xv2 MbI/M4kZWlwDleEOUOhXHCQ6D1gsJIFMQ6JihYpaR+SvZ4oTUCpQvfUXHI6wRJP3eOEk FGRAxgr+7PBA4+METj0pvTUpuIBiC4SHFNGbZcq8mUqK23cQpaJ0i5E1tpZKII3Lt39A hBjA== X-Gm-Message-State: APjAAAVM0JccqxBOkb2lTlqDH248q9oadFeZwowIVpHHpAS1Y/bn8ZAb jo7takaz+ktCBLXqLEkRXJI= X-Google-Smtp-Source: APXvYqwXn/2c1/1fTNOlJEBJAMW7LbQNICcT5Hf6/SUVvBDDrguiKR5/jT4RdPb/9G8vGuVwDy1+KQ== X-Received: by 2002:ac8:53d1:: with SMTP id c17mr8575016qtq.340.1556893117416; Fri, 03 May 2019 07:18:37 -0700 (PDT) Received: from localhost (modemcable249.105-163-184.mc.videotron.ca. [184.163.105.249]) by smtp.gmail.com with ESMTPSA id z85sm1399954qka.18.2019.05.03.07.18.36 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 03 May 2019 07:18:36 -0700 (PDT) Date: Fri, 3 May 2019 10:18:35 -0400 Message-ID: <20190503101835.GD25090@t480s.localdomain> From: Vivien Didelot To: Andrew Lunn Cc: David Miller , netdev , Andrew Lunn Subject: Re: [PATCH net-next 2/2] net: dsa :mv88e6xxx: Disable unused ports In-Reply-To: <20190430220831.19505-3-andrew@lunn.ch> References: <20190430220831.19505-1-andrew@lunn.ch> <20190430220831.19505-3-andrew@lunn.ch> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Wed, 1 May 2019 00:08:31 +0200, Andrew Lunn wrote: > If the NO_CPU strap is set, the switch starts in 'dumb hub' mode, with > all ports enable. Ports which are then actively used are reconfigured > as required when the driver starts. However unused ports are left > alone. Change this to disable them, and turn off any SERDES > interface. This could save some power and so reduce the temperature a > bit. > > Signed-off-by: Andrew Lunn Reviewed-by: Vivien Didelot