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  1. 24 2月, 2008 1 次提交
    • R
      PM: Introduce PM_EVENT_HIBERNATE callback state · 3a2d5b70
      Rafael J. Wysocki 提交于
      During the last step of hibernation in the "platform" mode (with the
      help of ACPI) we use the suspend code, including the devices'
      ->suspend() methods, to prepare the system for entering the ACPI S4
      system sleep state.
      
      But at least for some devices the operations performed by the
      ->suspend() callback in that case must be different from its operations
      during regular suspend.
      
      For this reason, introduce the new PM event type PM_EVENT_HIBERNATE and
      pass it to the device drivers' ->suspend() methods during the last phase
      of hibernation, so that they can distinguish this case and handle it as
      appropriate.  Modify the drivers that handle PM_EVENT_SUSPEND in a
      special way and need to handle PM_EVENT_HIBERNATE in the same way.
      
      These changes are necessary to fix a hibernation regression related
      to the i915 driver (ref. http://lkml.org/lkml/2008/2/22/488).
      Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl>
      Acked-by: NPavel Machek <pavel@ucw.cz>
      Tested-by: NJeff Chua <jeff.chua.linux@gmail.com>
      Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
      3a2d5b70
  2. 22 2月, 2008 3 次提交
  3. 21 2月, 2008 1 次提交
    • T
      libata: implement libata.force module parameter · 33267325
      Tejun Heo 提交于
      This patch implements libata.force module parameter which can
      selectively override ATA port, link and device configurations
      including cable type, SATA PHY SPD limit, transfer mode and NCQ.
      
      For example, you can say "use 1.5Gbps for all fan-out ports attached
      to the second port but allow 3.0Gbps for the PMP device itself, oh,
      the device attached to the third fan-out port chokes on NCQ and
      shouldn't go over UDMA4" by the following.
      
       libata.force=2:1.5g,2.15:3.0g,2.03:noncq,udma4
      Signed-off-by: NTejun Heo <htejun@gmail.com>
      Signed-off-by: NJeff Garzik <jeff@garzik.org>
      33267325
  4. 19 2月, 2008 3 次提交
  5. 18 2月, 2008 10 次提交
  6. 17 2月, 2008 1 次提交
  7. 16 2月, 2008 5 次提交
  8. 14 2月, 2008 8 次提交
  9. 13 2月, 2008 1 次提交
  10. 10 2月, 2008 3 次提交
  11. 09 2月, 2008 4 次提交