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r: 318397
b: refs/heads/master
c: ee08d12
h: refs/heads/master
i:
  318395: f59c712
v: v3
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Peter Zijlstra authored and Ingo Molnar committed Jul 24, 2012
1 parent 4b29b4c commit 50fc4cc
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2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: 44a6b8442190cf213081060b610dae2e822f802b
refs/heads/master: ee08d1284ea9235b29bd2d9b7493b4b4cf3da09c
15 changes: 0 additions & 15 deletions trunk/Documentation/ABI/stable/sysfs-driver-w1_ds28e04
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2 changes: 1 addition & 1 deletion trunk/Documentation/ABI/stable/vdso
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Expand Up @@ -24,4 +24,4 @@ though.

(As of this writing, this ABI documentation as been confirmed for x86_64.
The maintainers of the other vDSO-using architectures should confirm
that it is correct for their architecture.)
that it is correct for their architecture.)
29 changes: 9 additions & 20 deletions trunk/Documentation/ABI/testing/dev-kmsg
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Expand Up @@ -58,44 +58,33 @@ Description: The /dev/kmsg character device node provides userspace access

The output format consists of a prefix carrying the syslog
prefix including priority and facility, the 64 bit message
sequence number and the monotonic timestamp in microseconds,
and a flag field. All fields are separated by a ','.

Future extensions might add more comma separated values before
the terminating ';'. Unknown fields and values should be
gracefully ignored.
sequence number and the monotonic timestamp in microseconds.
The values are separated by a ','. Future extensions might
add more comma separated values before the terminating ';'.
Unknown values should be gracefully ignored.

The human readable text string starts directly after the ';'
and is terminated by a '\n'. Untrusted values derived from
hardware or other facilities are printed, therefore
all non-printable characters and '\' itself in the log message
are escaped by "\x00" C-style hex encoding.
all non-printable characters in the log message are escaped
by "\x00" C-style hex encoding.

A line starting with ' ', is a continuation line, adding
key/value pairs to the log message, which provide the machine
readable context of the message, for reliable processing in
userspace.

Example:
7,160,424069,-;pci_root PNP0A03:00: host bridge window [io 0x0000-0x0cf7] (ignored)
7,160,424069;pci_root PNP0A03:00: host bridge window [io 0x0000-0x0cf7] (ignored)
SUBSYSTEM=acpi
DEVICE=+acpi:PNP0A03:00
6,339,5140900,-;NET: Registered protocol family 10
30,340,5690716,-;udevd[80]: starting version 181
6,339,5140900;NET: Registered protocol family 10
30,340,5690716;udevd[80]: starting version 181

The DEVICE= key uniquely identifies devices the following way:
b12:8 - block dev_t
c127:3 - char dev_t
n8 - netdev ifindex
+sound:card0 - subsystem:devname

The flags field carries '-' by default. A 'c' indicates a
fragment of a line. All following fragments are flagged with
'+'. Note, that these hints about continuation lines are not
neccessarily correct, and the stream could be interleaved with
unrelated messages, but merging the lines in the output
usually produces better human readable results. A similar
logic is used internally when messages are printed to the
console, /proc/kmsg or the syslog() syscall.

Users: dmesg(1), userspace kernel log consumers
2 changes: 1 addition & 1 deletion trunk/Documentation/ABI/testing/sysfs-block-zram
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Expand Up @@ -96,4 +96,4 @@ Description:
overhead, allocated for this disk. So, allocator space
efficiency can be calculated using compr_data_size and this
statistic.
Unit: bytes
Unit: bytes
54 changes: 26 additions & 28 deletions trunk/Documentation/ABI/testing/sysfs-bus-iio
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Expand Up @@ -40,9 +40,9 @@ Contact: linux-iio@vger.kernel.org
Description:
Some devices have internal clocks. This parameter sets the
resulting sampling frequency. In many devices this
parameter has an effect on input filters etc. rather than
parameter has an effect on input filters etc rather than
simply controlling when the input is sampled. As this
effects data ready triggers, hardware buffers and the sysfs
effects datardy triggers, hardware buffers and the sysfs
direct access interfaces, it may be found in any of the
relevant directories. If it effects all of the above
then it is to be found in the base device directory.
Expand Down Expand Up @@ -74,7 +74,7 @@ What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_supply_raw
KernelVersion: 2.6.35
Contact: linux-iio@vger.kernel.org
Description:
Raw (unscaled no bias removal etc.) voltage measurement from
Raw (unscaled no bias removal etc) voltage measurement from
channel Y. In special cases where the channel does not
correspond to externally available input one of the named
versions may be used. The number must always be specified and
Expand Down Expand Up @@ -118,11 +118,11 @@ What: /sys/bus/iio/devices/iio:deviceX/in_temp_z_raw
KernelVersion: 2.6.35
Contact: linux-iio@vger.kernel.org
Description:
Raw (unscaled no bias removal etc.) temperature measurement.
Raw (unscaled no bias removal etc) temperature measurement.
If an axis is specified it generally means that the temperature
sensor is associated with one part of a compound device (e.g.
a gyroscope axis). Units after application of scale and offset
are milli degrees Celsius.
are milli degrees Celsuis.

What: /sys/bus/iio/devices/iio:deviceX/in_tempX_input
KernelVersion: 2.6.38
Expand All @@ -148,9 +148,10 @@ KernelVersion: 2.6.35
Contact: linux-iio@vger.kernel.org
Description:
Angular velocity about axis x, y or z (may be arbitrarily
assigned). Has all the equivalent parameters as per voltageY.
Units after application of scale and offset are radians per
second.
assigned) Data converted by application of offset then scale to
radians per second. Has all the equivalent parameters as
per voltageY. Units after application of scale and offset are
radians per second.

What: /sys/bus/iio/devices/iio:deviceX/in_incli_x_raw
What: /sys/bus/iio/devices/iio:deviceX/in_incli_y_raw
Expand All @@ -160,7 +161,7 @@ Contact: linux-iio@vger.kernel.org
Description:
Inclination raw reading about axis x, y or z (may be
arbitrarily assigned). Data converted by application of offset
and scale to degrees.
and scale to Degrees.

What: /sys/bus/iio/devices/iio:deviceX/in_magn_x_raw
What: /sys/bus/iio/devices/iio:deviceX/in_magn_y_raw
Expand Down Expand Up @@ -202,7 +203,7 @@ Contact: linux-iio@vger.kernel.org
Description:
If known for a device, offset to be added to <type>[Y]_raw prior
to scaling by <type>[Y]_scale in order to obtain value in the
<type> units as specified in <type>[Y]_raw documentation.
<type> units as specified in <type>[y]_raw documentation.
Not present if the offset is always 0 or unknown. If Y or
axis <x|y|z> is not present, then the offset applies to all
in channels of <type>.
Expand Down Expand Up @@ -248,7 +249,7 @@ What: /sys/bus/iio/devices/iio:deviceX/in_proximity0_calibbias
KernelVersion: 2.6.35
Contact: linux-iio@vger.kernel.org
Description:
Hardware applied calibration offset (assumed to fix production
Hardware applied calibration offset. (assumed to fix production
inaccuracies).

What /sys/bus/iio/devices/iio:deviceX/in_voltageY_calibscale
Expand All @@ -265,7 +266,7 @@ what /sys/bus/iio/devices/iio:deviceX/in_proximity0_calibscale
KernelVersion: 2.6.35
Contact: linux-iio@vger.kernel.org
Description:
Hardware applied calibration scale factor (assumed to fix
Hardware applied calibration scale factor. (assumed to fix
production inaccuracies). If shared across all channels,
<type>_calibscale is used.

Expand All @@ -275,10 +276,10 @@ What: /sys/.../iio:deviceX/in_voltage-voltage_scale_available
What: /sys/.../iio:deviceX/out_voltageX_scale_available
What: /sys/.../iio:deviceX/out_altvoltageX_scale_available
What: /sys/.../iio:deviceX/in_capacitance_scale_available
KernelVersion: 2.6.35
KernelVersion: 2.635
Contact: linux-iio@vger.kernel.org
Description:
If a discrete set of scale values is available, they
If a discrete set of scale values are available, they
are listed in this attribute.

What /sys/bus/iio/devices/iio:deviceX/out_voltageY_hardwaregain
Expand Down Expand Up @@ -329,11 +330,9 @@ Contact: linux-iio@vger.kernel.org
Description:
Specifies the output powerdown mode.
DAC output stage is disconnected from the amplifier and
1kohm_to_gnd: connected to ground via an 1kOhm resistor,
6kohm_to_gnd: connected to ground via a 6kOhm resistor,
20kohm_to_gnd: connected to ground via a 20kOhm resistor,
100kohm_to_gnd: connected to ground via an 100kOhm resistor,
three_state: left floating.
1kohm_to_gnd: connected to ground via an 1kOhm resistor
100kohm_to_gnd: connected to ground via an 100kOhm resistor
three_state: left floating
For a list of available output power down options read
outX_powerdown_mode_available. If Y is not present the
mode is shared across all outputs.
Expand All @@ -356,10 +355,9 @@ KernelVersion: 2.6.38
Contact: linux-iio@vger.kernel.org
Description:
Writing 1 causes output Y to enter the power down mode specified
by the corresponding outY_powerdown_mode. DAC output stage is
disconnected from the amplifier. Clearing returns to normal
operation. Y may be suppressed if all outputs are controlled
together.
by the corresponding outY_powerdown_mode. Clearing returns to
normal operation. Y may be suppressed if all outputs are
controlled together.

What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_frequency
KernelVersion: 3.4.0
Expand Down Expand Up @@ -423,12 +421,12 @@ Description:
different values, but the device can only enable both thresholds
or neither.
Note the driver will assume the last p events requested are
to be enabled where p is how many it supports (which may vary
depending on the exact set requested. So if you want to be
to be enabled where p is however many it supports (which may
vary depending on the exact set requested. So if you want to be
sure you have set what you think you have, check the contents of
these attributes after everything is configured. Drivers may
have to buffer any parameters so that they are consistent when
a given event type is enabled at a future point (and not those for
a given event type is enabled a future point (and not those for
whatever event was previously enabled).

What: /sys/.../iio:deviceX/events/in_accel_x_roc_rising_en
Expand Down Expand Up @@ -704,7 +702,7 @@ What: /sys/.../buffer/scan_elements/in_anglvel_type
What: /sys/.../buffer/scan_elements/in_magn_type
What: /sys/.../buffer/scan_elements/in_incli_type
What: /sys/.../buffer/scan_elements/in_voltageY_type
What: /sys/.../buffer/scan_elements/in_voltage_type
What: /sys/.../buffer/scan_elements/in_voltage-in_type
What: /sys/.../buffer/scan_elements/in_voltageY_supply_type
What: /sys/.../buffer/scan_elements/in_timestamp_type
KernelVersion: 2.6.37
Expand All @@ -725,7 +723,7 @@ Description:
the buffer output value appropriately. The storagebits value
also specifies the data alignment. So s48/64>>2 will be a
signed 48 bit integer stored in a 64 bit location aligned to
a 64 bit boundary. To obtain the clean value, shift right 2
a a64 bit boundary. To obtain the clean value, shift right 2
and apply a mask to zero the top 16 bits of the result.
For other storage combinations this attribute will be extended
appropriately.
Expand Down
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12 changes: 0 additions & 12 deletions trunk/Documentation/ABI/testing/sysfs-bus-usb
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Expand Up @@ -208,15 +208,3 @@ Description:
such as ACPI. This file will read either "removable" or
"fixed" if the information is available, and "unknown"
otherwise.

What: /sys/bus/usb/devices/.../ltm_capable
Date: July 2012
Contact: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Description:
USB 3.0 devices may optionally support Latency Tolerance
Messaging (LTM). They indicate their support by setting a bit
in the bmAttributes field of their SuperSpeed BOS descriptors.
If that bit is set for the device, ltm_capable will read "yes".
If the device doesn't support LTM, the file will read "no".
The file will be present for all speeds of USB devices, and will
always read "no" for USB 1.1 and USB 2.0 devices.
2 changes: 1 addition & 1 deletion trunk/Documentation/ABI/testing/sysfs-bus-usb-devices-usbsevseg
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Expand Up @@ -40,4 +40,4 @@ Description: Controls the decimal places on the device.
the value of 10 ** n. Assume this field has
the value k and has 1 or more decimal places set,
to set the mth place (where m is not already set),
change this fields value to k + 10 ** m.
change this fields value to k + 10 ** m.
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