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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 70091C49ED6 for ; Wed, 11 Sep 2019 15:09:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 50AC82084F for ; Wed, 11 Sep 2019 15:09:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728430AbfIKPJM (ORCPT ); Wed, 11 Sep 2019 11:09:12 -0400 Received: from iolanthe.rowland.org ([192.131.102.54]:36880 "HELO iolanthe.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1728296AbfIKPJL (ORCPT ); Wed, 11 Sep 2019 11:09:11 -0400 Received: (qmail 4433 invoked by uid 2102); 11 Sep 2019 11:09:10 -0400 Received: from localhost (sendmail-bs@127.0.0.1) by localhost with SMTP; 11 Sep 2019 11:09:10 -0400 Date: Wed, 11 Sep 2019 11:09:10 -0400 (EDT) From: Alan Stern X-X-Sender: stern@iolanthe.rowland.org To: Nicolas Ferre cc: linux-kernel@vger.kernel.org, , , Alexandre Belloni , Ludovic Desroches , , Subject: Re: [PATCH 0/3] USB: host: ohci-at91: tailor power consumption In-Reply-To: <20190911064154.28633-1-nicolas.ferre@microchip.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org On Wed, 11 Sep 2019, Nicolas Ferre wrote: > Following a set of experiments we found areas of improvement for OHCI power > consumption (and associated USB analog cells). > This enhances the shutdown of residual power consumption in case of Linux > suspend/resume and removal of the driver (when compiled as a module). > > Best regards, > Nicolas > > Boris Krasnovskiy (2): > USB: host: ohci-at91: completely shutdown the controller in > at91_stop_hc() > USB: host: ohci-at91: resume: balance the clock start call > > Nicolas Ferre (1): > USB: host: ohci-at91: suspend: delay needed before to stop clocks > > drivers/usb/host/ohci-at91.c | 7 ++++--- > 1 file changed, 4 insertions(+), 3 deletions(-) For all three patches: Acked-by: Alan Stern