Received: by 2002:ac0:a5a7:0:0:0:0:0 with SMTP id m36-v6csp5639809imm; Mon, 23 Jul 2018 03:29:05 -0700 (PDT) X-Google-Smtp-Source: AAOMgpdMHy8DoaLvsRF6e8ih2aKZP4iz5CArohzse4//N6IMpIScNpuPzigyW95cEBuQcOF3HWiC X-Received: by 2002:a63:c902:: with SMTP id o2-v6mr11697206pgg.118.1532341745369; Mon, 23 Jul 2018 03:29:05 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1532341745; cv=none; d=google.com; s=arc-20160816; b=Gx496I2ugNzPDW4JdxZU0pkG/Rs4XVzM1yD9ugCimPxbOlV6Wx/zd41qdmMOHz1TIu 5udBQRuhazR4pfm8Fuhtp8nE1+CGhlJHpMbQWnKNA46vMv7oa8GDpSsow8FRAlk35YA6 EcHGQIoqOGAcerJZ5t4Tjn9r4Cj4x6nCKQN46SiOkVpF9fr7/EuW7jfC6Dc8vILj6vOw sdI418MIOXvd3cjzXt4UVX1t54V9Fz+seh1TvlpsuLt4THjP87RSmaZ6xUBxSZjiVO+3 sd0DL61KtzUYNhweCnNoJXDchy+sRLBFOSic0uBLuGVcmcP9y+ZV3Q5UUnuGf+lWZObH 6djA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:date:subject:cc:to:from :arc-authentication-results; bh=mchDDHbHVvUoFBGbH9dXPBfgJ2C3l5Lyv7gzPXG1Sso=; b=vI4VNJwRP7K6aQ4cPTg5vBL9ns/unMdXmqvnYa1OFVqFpv7U5236VzXMjbZfsppxWT w338jcrmMyzAMw8dmgZYqsb5G5S89WwP+UWB8G1tJEv33NOKboD8Z+sY1tXjzaP7YiiU p5dzVatfaImy99MeP+jIln8VP76jB+Vbf4xsOajfcP9Y4jCxVKuxw/Re9IPVUgPoE6U3 1sF8SvhUXvwUgd1EBh1CEVOcyLJXz3o+5V8MWvvFlS59RrLi8aIyDcaNpx/4Tk92jGWx CQ85qEpm7Zci+l/KXe+gZ8Jt4kVpK9HM3j4e0bNG2jsXRVC/z/MIfYdwW3S7nZTMrNVd 5vOw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=canonical.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id 16-v6si8119449pfy.169.2018.07.23.03.28.50; Mon, 23 Jul 2018 03:29:05 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=canonical.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388224AbeGWL2X (ORCPT + 99 others); Mon, 23 Jul 2018 07:28:23 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:38507 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388059AbeGWL2X (ORCPT ); Mon, 23 Jul 2018 07:28:23 -0400 Received: from 1-161-144-158.dynamic-ip.hinet.net ([1.161.144.158] helo=localhost) by youngberry.canonical.com with esmtpsa (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.76) (envelope-from ) id 1fhY4D-0002Sv-Kf; Mon, 23 Jul 2018 10:27:50 +0000 From: Kai-Heng Feng To: arnd@arndb.de, gregkh@linuxfoundation.org Cc: ulf.hansson@linaro.org, stern@rowland.harvard.edu, bauer.chen@realtek.com, ricky_wu@realtek.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, Kai-Heng Feng Subject: [PATCH 0/5 v2] Keep rtsx_usb suspended when there's no card Date: Mon, 23 Jul 2018 18:27:39 +0800 Message-Id: <20180723102744.15140-1-kai.heng.feng@canonical.com> X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, This is based on Ulf's work [1] [2]. This patch series can keep rtsx_usb suspended, to save ~0.5W on Intel platforms and ~1.5W on AMD platforms. [1] https://patchwork.kernel.org/patch/10440583/ [2] https://patchwork.kernel.org/patch/10445725/ Kai-Heng Feng (5): misc: rtsx_usb: Use USB remote wakeup signaling for card insertion detection memstick: Prevent memstick host from getting runtime suspended during card detection memstick: rtsx_usb_ms: Use ms_dev() helper memstick: rtsx_usb_ms: Support runtime power management misc: rtsx_usb: / memstick: rtsx_usb_ms: Avoid long delay before system suspend v2: Sends to linux-usb and LKML. drivers/memstick/core/memstick.c | 4 + drivers/memstick/host/rtsx_usb_ms.c | 145 ++++++++++++++++------------ drivers/misc/cardreader/rtsx_usb.c | 14 +++ 3 files changed, 99 insertions(+), 64 deletions(-) -- 2.17.1