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From:   Kai-Heng Feng <kai.heng.feng@canonical.com>
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 <kai.heng.feng@canonical.com>
Subject: [PATCH 0/5 v4] Keep rtsx_usb suspended when there's no card
Date:   Tue, 31 Jul 2018 14:17:16 +0800
Message-Id: <20180731061721.15831-1-kai.heng.feng@canonical.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

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

v4: Use pm_runtime_put() in memstick_check().

v3: Skip parent device check in rtsx_usb_resume_child().
    Remove dev_dbg() if it only prints function name.
    Use ms_dev() helper at more places.
    Remove const qualifier for UNIVERSAL_DEV_PM_OPS.

v2: Resend to linux-usb and LKML.

---

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

 drivers/memstick/core/memstick.c    |   4 +
 drivers/memstick/host/rtsx_usb_ms.c | 148 +++++++++++++++-------------
 drivers/misc/cardreader/rtsx_usb.c  |   9 ++
 3 files changed, 91 insertions(+), 70 deletions(-)

-- 
2.17.1