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r: 102314
b: refs/heads/master
c: 8e9509c
h: refs/heads/master
v: v3
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Ingo Molnar committed Jul 17, 2008
1 parent 2283462 commit 467c1c1
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2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 2f73ccab5628b4f8e8f4b93fea8082dd31a87a10
refs/heads/master: 8e9509c827a28e2f365c203c04224f9e9dd1b63a
127 changes: 40 additions & 87 deletions trunk/Documentation/ABI/testing/sysfs-firmware-acpi
Original file line number Diff line number Diff line change
Expand Up @@ -29,46 +29,46 @@ Description:

$ cd /sys/firmware/acpi/interrupts
$ grep . *
error: 0
ff_gbl_lock: 0 enable
ff_pmtimer: 0 invalid
ff_pwr_btn: 0 enable
ff_rt_clk: 2 disable
ff_slp_btn: 0 invalid
gpe00: 0 invalid
gpe01: 0 enable
gpe02: 108 enable
gpe03: 0 invalid
gpe04: 0 invalid
gpe05: 0 invalid
gpe06: 0 enable
gpe07: 0 enable
gpe08: 0 invalid
gpe09: 0 invalid
gpe0A: 0 invalid
gpe0B: 0 invalid
gpe0C: 0 invalid
gpe0D: 0 invalid
gpe0E: 0 invalid
gpe0F: 0 invalid
gpe10: 0 invalid
gpe11: 0 invalid
gpe12: 0 invalid
gpe13: 0 invalid
gpe14: 0 invalid
gpe15: 0 invalid
gpe16: 0 invalid
gpe17: 1084 enable
gpe18: 0 enable
gpe19: 0 invalid
gpe1A: 0 invalid
gpe1B: 0 invalid
gpe1C: 0 invalid
gpe1D: 0 invalid
gpe1E: 0 invalid
gpe1F: 0 invalid
gpe_all: 1192
sci: 1194
error:0
ff_gbl_lock:0
ff_pmtimer:0
ff_pwr_btn:0
ff_rt_clk:0
ff_slp_btn:0
gpe00:0
gpe01:0
gpe02:0
gpe03:0
gpe04:0
gpe05:0
gpe06:0
gpe07:0
gpe08:0
gpe09:174
gpe0A:0
gpe0B:0
gpe0C:0
gpe0D:0
gpe0E:0
gpe0F:0
gpe10:0
gpe11:60
gpe12:0
gpe13:0
gpe14:0
gpe15:0
gpe16:0
gpe17:0
gpe18:0
gpe19:7
gpe1A:0
gpe1B:0
gpe1C:0
gpe1D:0
gpe1E:0
gpe1F:0
gpe_all:241
sci:241

sci - The total number of times the ACPI SCI
has claimed an interrupt.
Expand All @@ -89,13 +89,6 @@ Description:

error - an interrupt that can't be accounted for above.

invalid: it's either a wakeup GPE or a GPE/Fixed Event that
doesn't have an event handler.

disable: the GPE/Fixed Event is valid but disabled.

enable: the GPE/Fixed Event is valid and enabled.

Root has permission to clear any of these counters. Eg.
# echo 0 > gpe11

Expand All @@ -104,43 +97,3 @@ Description:

None of these counters has an effect on the function
of the system, they are simply statistics.

Besides this, user can also write specific strings to these files
to enable/disable/clear ACPI interrupts in user space, which can be
used to debug some ACPI interrupt storm issues.

Note that only writting to VALID GPE/Fixed Event is allowed,
i.e. user can only change the status of runtime GPE and
Fixed Event with event handler installed.

Let's take power button fixed event for example, please kill acpid
and other user space applications so that the machine won't shutdown
when pressing the power button.
# cat ff_pwr_btn
0
# press the power button for 3 times;
# cat ff_pwr_btn
3
# echo disable > ff_pwr_btn
# cat ff_pwr_btn
disable
# press the power button for 3 times;
# cat ff_pwr_btn
disable
# echo enable > ff_pwr_btn
# cat ff_pwr_btn
4
/*
* this is because the status bit is set even if the enable bit is cleared,
* and it triggers an ACPI fixed event when the enable bit is set again
*/
# press the power button for 3 times;
# cat ff_pwr_btn
7
# echo disable > ff_pwr_btn
# press the power button for 3 times;
# echo clear > ff_pwr_btn /* clear the status bit */
# echo disable > ff_pwr_btn
# cat ff_pwr_btn
7

164 changes: 0 additions & 164 deletions trunk/Documentation/filesystems/ubifs.txt

This file was deleted.

7 changes: 3 additions & 4 deletions trunk/Documentation/ioctl/hdio.txt
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Expand Up @@ -508,13 +508,12 @@ HDIO_DRIVE_RESET execute a device reset

error returns:
EACCES Access denied: requires CAP_SYS_ADMIN
ENXIO No such device: phy dead or ctl_addr == 0
EIO I/O error: reset timed out or hardware error

notes:

Execute a reset on the device as soon as the current IO
operation has completed.
Abort any current command, prevent anything else from being
queued, execute a reset on the device, and issue BLKRRPART
ioctl on the block device.

Executes an ATAPI soft reset if applicable, otherwise
executes an ATA soft reset on the controller.
Expand Down
14 changes: 2 additions & 12 deletions trunk/Documentation/kernel-parameters.txt
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Expand Up @@ -147,14 +147,10 @@ and is between 256 and 4096 characters. It is defined in the file
default: 0

acpi_sleep= [HW,ACPI] Sleep options
Format: { s3_bios, s3_mode, s3_beep, old_ordering }
Format: { s3_bios, s3_mode, s3_beep }
See Documentation/power/video.txt for s3_bios and s3_mode.
s3_beep is for debugging; it makes the PC's speaker beep
as soon as the kernel's real-mode entry point is called.
old_ordering causes the ACPI 1.0 ordering of the _PTS
control method, wrt putting devices into low power
states, to be enforced (the ACPI 2.0 ordering of _PTS is
used by default).

acpi_sci= [HW,ACPI] ACPI System Control Interrupt trigger mode
Format: { level | edge | high | low }
Expand Down Expand Up @@ -822,17 +818,14 @@ and is between 256 and 4096 characters. It is defined in the file
See Documentation/ide/ide.txt.

idle= [X86]
Format: idle=poll or idle=mwait, idle=halt, idle=nomwait
Format: idle=poll or idle=mwait
Poll forces a polling idle loop that can slightly improves the performance
of waking up a idle CPU, but will use a lot of power and make the system
run hot. Not recommended.
idle=mwait. On systems which support MONITOR/MWAIT but the kernel chose
to not use it because it doesn't save as much power as a normal idle
loop use the MONITOR/MWAIT idle loop anyways. Performance should be the same
as idle=poll.
idle=halt. Halt is forced to be used for CPU idle.
In such case C2/C3 won't be used again.
idle=nomwait. Disable mwait for CPU C-states

ide-pci-generic.all-generic-ide [HW] (E)IDE subsystem
Claim all unknown PCI IDE storage controllers.
Expand Down Expand Up @@ -1541,9 +1534,6 @@ and is between 256 and 4096 characters. It is defined in the file
Use with caution as certain devices share
address decoders between ROMs and other
resources.
norom [X86-32,X86_64] Do not assign address space to
expansion ROMs that do not already have
BIOS assigned address ranges.
irqmask=0xMMMM [X86-32] Set a bit mask of IRQs allowed to be
assigned automatically to PCI devices. You can
make the kernel exclude IRQs of your ISA cards
Expand Down
2 changes: 2 additions & 0 deletions trunk/Documentation/laptops/acer-wmi.txt
Original file line number Diff line number Diff line change
Expand Up @@ -174,6 +174,8 @@ The LED is exposed through the LED subsystem, and can be found in:
The mail LED is autodetected, so if you don't have one, the LED device won't
be registered.

If you have a mail LED that is not green, please report this to me.

Backlight
*********

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