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=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no 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 E7EE6C433E0 for ; Thu, 18 Mar 2021 19:10:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AB79664F1D for ; Thu, 18 Mar 2021 19:10:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232647AbhCRTKL (ORCPT ); Thu, 18 Mar 2021 15:10:11 -0400 Received: from mout.kundenserver.de ([212.227.17.13]:37123 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229996AbhCRTJz (ORCPT ); Thu, 18 Mar 2021 15:09:55 -0400 Received: from [192.168.1.155] ([77.4.36.33]) by mrelayeu.kundenserver.de (mreue107 [212.227.15.183]) with ESMTPSA (Nemesis) id 1M4rD7-1lNEsO0oHX-001xMS; Thu, 18 Mar 2021 20:09:47 +0100 Subject: Re: AHCI SATA Runtime PM To: Alexander Monakov , Hans de Goede Cc: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, Zhang Rui References: From: "Enrico Weigelt, metux IT consult" Message-ID: Date: Thu, 18 Mar 2021 20:09:46 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: tl Content-Transfer-Encoding: 8bit X-Provags-ID: V03:K1:u1jRHVtJG+eWUepn3VcO2LJWpwZzbt4NT56Y2FHoQzItxq6vKg6 xVYcRA4zNGdVMVgWiCjytSRfEVDDPXw+iRuofS4uJSgTXr+QH+2UK1F0+gvTOLiV4tWlgts uDuNXIAYXqZbF2+k5FgzfV2Uk93/fSTC9C8fcK8uloKlfEmvltFc+RoJnSK9AcZRptFJGfd 80Lnkb+5CpqUa59OCuFYA== X-UI-Out-Filterresults: notjunk:1;V03:K0:vFIeivT6U4Q=:zNlqYRckpZPLkwJvlqTgQ6 xJ3FU2fXaz4ot4+WHjdPHnk0K1l7dnLooTnaIKgTJTgPwVCEQ+Lg+B1ENDZWWyqs0zk8vr5lS OsvcV3PxyA04qSMa8vjkUGB/z1gOvd1v06zzzl4SAFzClP/OjFu0eJpoPM1aHO4jdFt4dW43D E3TX4pBivUduh044HahooiP4jwVjCEOP1ZRkFVl+KQXZQJPsGHTjlny9JT4xevYOocUHOVSFc XpikYJ16p1rms1mV5nq8axniQmFIE8sX26c2yNkKcmTl+CM+PkgrXf1vNwdGHaGM8Twf/JN0o seL+5JR/OdXNk80Q0Z6K5Q0DkzPi4wgqXjr+OoSRXNil7X+IcsM+hdEGex4UoSk/RU6vK98O2 XBEdPZe0ElkhqeIfS9XFG1XuY4gyPvO/jNw90onqKl6KEt2U3Cy+sBNBDTIgs Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 04.03.21 16:34, Alexander Monakov wrote: > I have a laptop where two unused AHCI SATA controllers are present (but > obviously nothing can be hotplugged into them). Apparently due to the above, > they do not enter runtime autosuspend. if nothing ever can connect to them, shouldn't they be power off entirely ? --mtx -- --- Hinweis: unverschlüsselte E-Mails können leicht abgehört und manipuliert werden ! Für eine vertrauliche Kommunikation senden Sie bitte ihren GPG/PGP-Schlüssel zu. --- Enrico Weigelt, metux IT consult Free software and Linux embedded engineering info@metux.net -- +49-151-27565287