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d1302a36a7
linux/drivers/acpi
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Linus Torvalds 19244ad06b Revert "ACPI: ignore FADT reset-reg-sup flag" 
This reverts commit cf450136bf.

It breaks reboot on at least one Thinkpad T43, as reported by Jörg Otte:
 "On reboot it shuts down as normal.
  The last lines displayed are:

  >Unmounting temporary filesystems.. [OK]
  >Deactivating swap...               [OK]
  >Unmounting local filesystems...    [OK]
  >Will now restart
  >    Restarting system

  Then I hear it accessing the cd-drive, but then it's being stuck."

Jörg bisected the regression to this commit.

That commit fixes another machine (see

  https://bugzilla.kernel.org/show_bug.cgi?id=11533

for details) that has a BIOS bug and doesn't support ACPI reset.
However, at least one of those other reporters no longer even has the
machine in question, and had a different workaround to begin with.
Besides, it clearly was a buggy BIOS.  Let's not break the correct case
to fix that case.

Reported-and-bisected-by: Jörg Otte <jrg.otte@googlemail.com>
Cc: linux-acpi@vger.kernel.org
Cc: Len Brown <lenb@kernel.org>
Cc: Peter Anvin <hpa@zytor.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-04-20 11:19:35 -07:00
..
acpica Revert "ACPI: ignore FADT reset-reg-sup flag" 2012-04-20 11:19:35 -07:00
apei Merge branch 'apei' into release 2012-03-30 16:14:02 -04:00
ac.c treewide: fix potentially dangerous trailing ';' in #defined values/expressions 2011-07-21 14:10:00 +02:00
acpi_ipmi.c
acpi_memhotplug.c
acpi_pad.c ACPI: minor printk format change in acpi_pad 2011-03-23 01:36:45 -04:00
battery.c switch procfs to umode_t use 2012-01-03 22:54:56 -05:00
bgrt.c ACPI: Add support for exposing BGRT data 2012-03-30 04:09:24 -04:00
blacklist.c acpi: delete module.h include from files explicitly not needing it 2011-10-31 19:30:33 -04:00
bus.c ACPI: export acpi_kobj 2012-03-30 04:09:05 -04:00
button.c ACPI button: remove unused procfs I/F 2011-03-22 23:20:35 -04:00
cm_sbs.c
container.c
custom_method.c ACPI: Split out custom_method functionality into an own driver 2011-05-29 01:50:40 -04:00
debugfs.c acpi: add export.h to files using THIS_MODULE/EXPORT_SYMBOL 2011-10-31 19:30:34 -04:00
dock.c module_param: make bool parameters really bool (drivers & misc) 2012-01-13 09:32:20 +10:30
ec_sys.c simple_open: automatically convert to simple_open() 2012-04-05 15:25:50 -07:00
ec.c Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux 2012-03-30 16:45:39 -07:00
event.c acpi: add export.h to files using THIS_MODULE/EXPORT_SYMBOL 2011-10-31 19:30:34 -04:00
fan.c ACPI: constify ops structs 2011-07-16 18:36:17 -04:00
glue.c acpi: add export.h to files using THIS_MODULE/EXPORT_SYMBOL 2011-10-31 19:30:34 -04:00
hed.c
internal.h ACPI: Cleanup custom_method debug stuff 2011-05-29 01:50:04 -04:00
Kconfig ACPI: Add support for exposing BGRT data 2012-03-30 04:09:24 -04:00
Makefile ACPI: Add support for exposing BGRT data 2012-03-30 04:09:24 -04:00
numa.c ACPI: Store SRAT table revision 2012-01-17 04:19:04 -05:00
nvs.c ACPI / PM: print physical addresses consistently with other parts of kernel 2012-03-30 02:46:57 -04:00
osl.c Revert "ACPI: Make ACPI interrupt threaded" 2012-04-18 10:16:27 -07:00
pci_bind.c
pci_irq.c PCI/PM/Runtime: make PCI traces quieter 2012-01-06 12:11:16 -08:00
pci_link.c ACPI: Use syscore_ops instead of sysdev class and sysdev 2011-03-18 18:22:21 -04:00
pci_root.c PCI: Rework ASPM disable code 2012-01-06 12:10:26 -08:00
pci_slot.c module_param: make bool parameters really bool (drivers & misc) 2012-01-13 09:32:20 +10:30
power.c ACPI: Add interface to register/unregister device to/from power resources 2012-03-30 01:47:20 -04:00
proc.c acpi: add export.h to files using THIS_MODULE/EXPORT_SYMBOL 2011-10-31 19:30:34 -04:00
processor_core.c ACPI: processor: fix acpi_get_cpuid for UP processor 2012-01-17 05:25:08 -05:00
processor_driver.c Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux 2012-03-30 16:45:39 -07:00
processor_idle.c Merge branches 'idle-fix' and 'misc' into release 2012-04-06 21:48:59 -04:00
processor_perflib.c ACPI: Load acpi-cpufreq from processor driver automatically 2012-01-26 16:48:12 -08:00
processor_thermal.c ACPI: Do cpufreq clamping for throttling per package v2 2012-03-22 02:16:14 -04:00
processor_throttling.c ACPI throttling: fix endian bug in acpi_read_throttling_status() 2012-03-30 16:06:12 -04:00
reboot.c Revert "ACPI: ignore FADT reset-reg-sup flag" 2012-04-20 11:19:35 -07:00
sbs.c Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 2011-08-02 21:17:02 -10:00
sbshc.c acpi: add module.h to files implicitly using/relying on it. 2011-10-31 19:30:32 -04:00
sbshc.h
scan.c Merge branch 'd3' into release 2012-03-30 16:21:26 -04:00
sleep.c Merge branch 'd3' into release 2012-03-30 16:21:26 -04:00
sleep.h
sysfs.c ACPI: Export FADT pm_profile integer value to userspace 2011-11-06 20:48:42 -05:00
tables.c
thermal.c ACPI: Evaluate thermal trip points before reading temperature 2012-03-30 02:38:31 -04:00
utils.c
video_detect.c platform/x86: drop deprecated asus_acpi driver 2012-03-20 12:02:18 -04:00
video.c ACPI video: Don't start video device until its associated input device has been allocated 2012-03-30 15:47:52 -04:00
wakeup.c ACPI / Wakeup: Enable button GPEs unconditionally during initialization 2011-02-12 01:39:53 +01:00