kernel-packages team mailing list archive

[XiongZhang <xiong.y.zhang@xxxxxxxxx>]

Hi Tim Gardner:
In  commit#15,  there are three bug fix patches needed to back port to 13.04 and 13.10 kernel.  Now these three patches are merged into kernel 3.12, please back port them to 13.04 and 13.10.

1.
 commit aa5ceae24bf8dff1d6fe87c6c4b08e69c6d33550
Author: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
Date:   Tue Jul 30 15:39:02 2013 -0400

    USB: handle LPM errors during device suspend correctly

2. 
commit 98a4f1ff7bea8002ab79d6776e30d27932e88244
Author: Lan Tianyu <tianyu.lan@xxxxxxxxx>
Date:   Wed Jul 3 22:17:54 2013 +0800

    usb: don't check pm qos NO_POWER_OFF flag in usb_port_suspend()

3.
commit d49dad3e11638f66be4e16573ffaa8c46a09e3b3
Author: Sarah Sharp <sarah.a.sharp@xxxxxxxxxxxxxxx>
Date:   Mon Aug 5 18:58:15 2013 -0700

    usb: Don't fail port power resume on device disconnect.

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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1011415

Title:
  [Feature] USB2.0 Port power off mechanism

Status in intel:
  New
Status in “linux” package in Ubuntu:
  Fix Released
Status in “linux” source package in Raring:
  Fix Released
Status in “linux” source package in Saucy:
  Fix Released

Bug description:
  This is an Intel-specific feature.  When a USB port is powered off, VBUS is
  removed, and port events are lost (device connect & disconnect, remote wake
  from USB device suspend, and overcurrent events).  OEMs may power-gang several
  ports together, so VBUS may not be removed until several ports are powered off.

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