Skip to content

L
linux
Switch branch/tag
  1. 19 Nov, 2011 1 commit
  3. 18 Nov, 2011 1 commit
    • Srivatsa S. Bhat's avatar
      PM / Hibernate: Fix the early termination of test modes · aa9a7b11
      Srivatsa S. Bhat authored 
      Commit 2aede851
(PM / Hibernate: Freeze kernel threads after preallocating memory)
postponed the freezing of kernel threads to after preallocating memory
for hibernation. But while doing that, the hibernation test TEST_FREEZER
and the test mode HIBERNATION_TESTPROC were not moved accordingly.

As a result, when using these test modes, it only goes upto the freezing of
userspace and exits, when in fact it should go till the complete end of task
freezing stage, namely the freezing of kernel threads as well.

So, move these points of exit to appropriate places so that freezing of
kernel threads is also tested while using these test harnesses.
Signed-off-by: default avatarSrivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: default avatarRafael J. Wysocki <rjw@sisk.pl>
      aa9a7b11
  5. 17 Nov, 2011 2 commits
    • Rafael J. Wysocki's avatar
      PM / shmobile: Fix build of sh7372_pm_init() for CONFIG_PM unset · 88995e80
      Rafael J. Wysocki authored 
      Fix build regression introduced by commit 056879d2
(ARM: mach-shmobile: sh7372 A3SP no_suspend_console fix) by moving
the intialization of the A3SP domain to a separate function and
providing an empty definition of it for CONFIG_PM unset.
Reported-and-tested-by: default avatarGuennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: default avatarRafael J. Wysocki <rjw@sisk.pl>
      88995e80
    • Rafael J. Wysocki's avatar
      PM Sleep: Do not extend wakeup paths to devices with ignore_children set · 8b258cc8
      Rafael J. Wysocki authored 
      Commit 4ca46ff3 (PM / Sleep: Mark
devices involved in wakeup signaling during suspend) introduced
the power.wakeup_path field in struct dev_pm_info to mark devices
whose children are enabled to wake up the system from sleep states,
so that power domains containing the parents that provide their
children with wakeup power and/or relay their wakeup signals are not
turned off.  Unfortunately, that introduced a PM regression on SH7372
whose power consumption in the system "memory sleep" state increased
as a result of it, because it prevented the power domain containing
the I2C controller from being turned off when some children of that
controller were enabled to wake up the system, although the
controller was not necessary for them to signal wakeup.

To fix this issue use the observation that devices whose
power.ignore_children flag is set for runtime PM should be treated
analogously during system suspend.  Namely, they shouldn't be
included in wakeup paths going through their children.  Since the
SH7372 I2C controller's power.ignore_children flag is set, doing so
will restore the previous behavior of that SOC.
Signed-off-by: default avatarRafael J. Wysocki <rjw@sisk.pl>
Acked-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
      8b258cc8
  7. 15 Nov, 2011 1 commit
    • Peter Chen's avatar
      PM / driver core: disable device's runtime PM during shutdown · af8db150
      Peter Chen authored 
      There may be an issue when the user issue "reboot/shutdown" command, then
the device has shut down its hardware, after that, this runtime-pm featured
device's driver will probably be scheduled to do its suspend routine,
and at its suspend routine, it may access hardware, but the device has
already shutdown physically, then the system hang may be occurred.

I ran out this issue using an auto-suspend supported USB devices, like
3G modem, keyboard. The usb runtime suspend routine may be scheduled
after the usb controller has been shut down, and the usb runtime suspend
routine will try to suspend its roothub(controller), it will access
register, then the system hang occurs as the controller is shutdown.
Signed-off-by: default avatarPeter Chen <peter.chen@freescale.com>
Acked-by: default avatarMing Lei <tom.leiming@gmail.com>
Acked-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
Cc: stable@kernel.org
Signed-off-by: default avatarRafael J. Wysocki <rjw@sisk.pl>
      af8db150
  9. 14 Nov, 2011 3 commits
  11. 10 Nov, 2011 1 commit
  13. 09 Nov, 2011 7 commits
  15. 08 Nov, 2011 18 commits
  17. 07 Nov, 2011 6 commits
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7