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This is not generic, and is added here for backward compatibility.
It is made an individual commit here to make it easier for revert
once the sharpsl_pm gets generic enough.
Signed-off-by: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Driver based on corgi_ssp.c and sharpsl_pm.c, previously done by Richard
Purdie and many others.
Now changed to generic HWMON device and expose all the ADC input value
through sysfs.
Signed-off-by: Eric Miao <eric.miao@marvell.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Not all AMD K8 have 6 VID pins, contrary to what was assumed in
commit 116d0486bdefc11f71e567cadf0c47f788b4dd06. This commit broke
support of older CPU models which have only 5 VID pins:
http://bugzilla.kernel.org/show_bug.cgi?id=11329
We need two entries in the hwmon-vid table, one for 5-bit VID models
(K8 revision <= E) and one for 6-bit VID models (K8 revision >= F).
This fixes bug #11329.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Frank Myhr <fmyhr@fhmtech.com>
Tested-by: Jean-Luc Coulon <jean.luc.coulon@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add in the CPUID for Nehalem chips.
Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Cc: Kent Liu <kent.liu@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Currently, all sensors are read when the energy meter is queried via
sysfs. This introduces a considerable amount of delay and variation in
the sysfs reading, which is not desirable when trying to profile energy
use. Therefore, read only the energy meters when a sysfs query comes in
for them, and don't cache the results so that we always get the latest
reading.
Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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On older machines, probing for a nonexistent AEM interface returned an
IPMI error; when we saw this, we'd stop probing. On the x3650 M2 and
(presumably) later, we are returned a value indicating success and a
buffer full of garbage or zeroes. This causes the probe function to run
in an infinite loop. To fix this, we add one last check--if the
interface number we're looking for is higher than the number of
interfaces that AEM claims to have, stop probing.
Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Minor documentation update to reflect the current full name of the power
management hardware interface and reflows the text a bit.
Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Previously the driver was only using DMI to prevent smbus probing on
non-Abit motherboards. However, since the manual probing method is
brittle and prone to failure on some Abit motherboards (esp. the Abit
IP35 Pro) it is better to use DMI to also read the board name and then
decide whether or not to probe the bus.
At the moment, we do not have a list of valid DMI name strings to use
for existing and supported motherboards. This patch only implements DMI
probing for the IP35 Pro. For motherboards that can not yet use DMI
probing, a warning will be printed to the kernel log asking those users
to email me their dmidecode output.
The existing manual probing mechanism will be used if CONFIG_DMI is not
enabled, if DMI probing fails (for DMI-unsupported motherboards), or if
DMI probing fails and the "force" option is set (for DMI-supported
motherboards). Ideally in the longer term this manual probing method
would be removed.
This patch should be safe to apply as it does not change the probing
behaviour for most of the supported motherboards, just the IP35 Pro,
which already has regressions filed against it in 2.6.26.
Addresses http://bugzilla.kernel.org/show_bug.cgi?id=11212
Signed-off-by: Alistair John Strachan <alistair@devzero.co.uk>
Acked-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Cc: "Mark M. Hoffman" <mhoffman@lightlink.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Export the sensor -> channel/dimm mapping in tempX_label.
Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Cc: "Mark M. Hoffman" <mhoffman@lightlink.com>
Cc: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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SPI driver for analog to digital converters national semiconductor
ADC081S101, ADC124S501, ...
Code for 8 channels by Tobias Himmer.
This driver adds support for National Semiconductor ADC<bb><c>S<sss> chip
family, where:
* bb is the resolution in number of bits (8, 10, 12)
* c is the number of channels (1, 2, 4, 8)
* sss is the maximum conversion speed (021 for 200 kSPS, 051 for 500
kSPS and 101 for 1 MSPS)
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Marc Pignat <marc.pignat@hevs.ch>
Cc: Tobias Himmer <tobias@himmer-online.de>
Cc: "Mark M. Hoffman" <mhoffman@lightlink.com>
Cc: Jean Delvare <khali@linux-fr.org>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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drivers/hwmon/w83791d.c: In function `w83791d_probe':
drivers/hwmon/w83791d.c:1049: warning: unused variable `val1'
Signed-off-by: Michael Borisov <niro@tut.by>
Cc: "Mark M. Hoffman" <mhoffman@lightlink.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add support for Macbook v3 (sensors and accelerometer).
Signed-off-by: Nicolas Boichat <nicolas@boichat.ch>
Cc: "Mark M. Hoffman" <mhoffman@lightlink.com>
Cc: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This adds support for fans and temperature sensors on intel iMac.
Tested on iMac 24" 2.8ghz (iMac8,1), it supports the following sensors:
cpu A
ambient
gpu
gpu diode
gpu heatsink
hd bay 1
memory controller
optical drive
power
Signed-off-by: Roberto De Ioris <roberto@unbit.it>
Cc: Nicolas Boichat <nicolas@boichat.ch>
Cc: Jean Delvare <khali@linux-fr.org>
Cc: Mark M. Hoffman <mhoffman@lightlink.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Drop the legacy lm75 driver, and add a detect callback to the
new-style driver to achieve the same functionality.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: David Brownell <david-b@pacbell.net>
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The it8705 chip supports 16-bit fan tachometers in revisions at least
>= 0x03 (Version G). This patch enables 16-bit fan readings on all
revisions >= 0x03 just like the it8712, it8716, and it8718 chips.
Signed-off-by: Andrew Paprocki <andrew@ishiboo.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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The it8712 chip supports 16-bit fan tachometers in revisions >= 0x07.
Revisions >= 0x08 dropped support for 8-bit fan divisor registers. The
patch enables 16-bit fan readings on all revisions >= 0x07 just like
the it8716 and it8718 chips.
Signed-off-by: Andrew Paprocki <andrew@ishiboo.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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AMD NPT 0Fh cpus use 6 bit VID codes. Successive codes with msb 0
describe 25mV decrements, while those with msb 1 describe 12.5mV
decrements. Existing hwmon-vid.c is correct only for codes with msb 0;
add support for the codes with msb 1.
Ref:
p 309, Table 71
AMD Publication 32559, BIOS and Kernel Developer's Guide for AMD NPT Family 0Fh Processors
http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/32559.pdf
Signed-off-by: Frank Myhr <fmyhr@fhmtech.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Signed-off-by: Frank Myhr <fmyhr@fhmtech.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Driver for the Analog Devices AD7414 temperature monitoring chip.
Signed-off-by: Sean MacLennan <smaclennan@pikatech.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Add critical temperature limits to the driver. These limits are read
only.
Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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The adm9240 driver is in the kernel for three years now, time to
remove the EXPERIMENTAL dependency.
Signed-off-by: Grant Coady <gcoady.lk@gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Drop the reset parameter of the w83627hf driver. It seems it wasn't
that useful. It was dropped from the Linux 2.4 version of this driver
back in July 2004.
The only users who have reported that they were still using this
parameter, needed it to switch the chip from automatic fan speed
control back to manual mode. Now that the driver creates pwmN_enable
sysfs files, users will be able to use these files instead, which is
way less agressive.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Dominik Geyer <dominik.geyer@gmx.de>
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Adds support for pwm_enable sysfs interface for the w83627hf driver.
Signed-off-by: Dominik Geyer <dominik.geyer@gmx.de>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Update w83791d with fan bits in vbat mon register (7.48 of the
datasheet). This change allows all fans to have a divisor of 128,
and fixes a problem with incorrectly reported fan speeds.
Signed-off-by: Marc Hulsman <m.hulsman@tudelft.nl>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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These functions aren't used before being defined, so there's no point
in forward-declaring them.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Hans de Goede <j.w.r.degoede@hhs.nl>
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Add support for the SCH5027. The differences to the DME1737 are:
- No support for programmable temp offsets
- In auto mode, PWM outputs stay on min value if temp goes below low threshold
and can't be programmed to fully turn off
- Different voltage scaling
- No VID input
Signed-off-by: Juerg Haefliger <juergh@gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Skip the checking of the device ID register in the hwmon register
block if the force_id option is used.
Signed-off-by: Juerg Haefliger <juergh@gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Fix names of attribute structs to make them more consistent with the
rest of the code. Minor comment changes.
Signed-off-by: Juerg Haefliger <juergh at gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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* 'release' of git://lm-sensors.org/kernel/mhoffman/hwmon-2.6:
hwmon: needs new maintainer
hwmon: (lm85) Simplify device initialization function
hwmon: (lm85) Misc cleanups
hwmon: (lm85) Don't write back cached values
hwmon: (lm85) Drop dead code
hwmon: (lm85) Coding-style cleanups
hwmon: (lm75) add new-style driver binding
hwmon: (lm75) cleanup/reorg
hwmon: (adt7473) clarify an awkward bit of code
hwmon: (adt7473) Remove unused defines
hwmon: (dme1737) fix voltage scaling
hwmon: (dme1737) probe all addresses
hwmon: (dme1737) demacrofy for readability
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Clean up and simplify the device initialization function:
* Degrade error messages to warnings - what they really are.
* Stop warning about VxI mode, we don't really care.
* Drop comment about lack of limit initialization - that's the standard
way, all hardware monitoring drivers do that.
* Only read the configuration register once.
* Only write back to the configuration register if needed.
* Don't attempt to clear the lock bit, it locks itself to 1.
* Move the function to before it's called, so that we no longer need to
forware declare it.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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Misc cleanups to the lm85 hardware monitoring driver:
* Mark constant arrays as const.
* Remove useless masks.
* Have lm85_write_value return void - nobody is checking the returned
value anyway and in some cases it was plain wrong.
* Remove useless initializations.
* Rename new_client to client in lm85_detect.
* Replace cascaded if/else with a switch/case in lm85_detect.
* Group similar loops in lm85_update_device.
* Remove legacy comments.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Juerg Haefliger <juergh at gmail.com>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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In set_pwm_auto_pwm_minctl, we write cached register bits back to the
chip. This is a bad idea as we have no guarantee that the cache is
up-to-date. Better read a fresh register value from the chip, it's
safer and in fact it is also more simple.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Juerg Haefliger <juergh at gmail.com>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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Drop a lot of useless register defines, conversion macros, data structure
members and update code. All these register values were read from the
device but nothing is done out of them, so this is all dead code in
practice.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Juerg Haefliger <juergh at gmail.com>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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Fix most style issues reported by checkpatch, including:
* Trailing, missing and extra whitespace
* Extra parentheses, curly braces and semi-colons
* Broken indentation
* Lines too long
I verified that the generated code is the same before and after
these changes.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Juerg Haefliger <juergh at gmail.com>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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More LM75 updates:
- Teach the LM75 driver to use new-style driver binding:
* Create a second driver struct, using new-style driver binding
methods cribbed from the legacy code.
* Add a MODULE_DEVICE_TABLE (for "newER-style binding")
* The legacy probe logic delegates its work to this new code.
* The legacy driver now uses the name "lm75_legacy".
- More careful initialization. Chips are put into 9-bit mode so
the current interconversion routines will never fail.
- Save the original chip configuration, and restore it on exit.
(Among other things, this normally turns off the mode where
the chip is constantly sampling ... and thus saves power.)
So the new-style code should catch all chips that boards declare,
while the legacy code catches others. This particular coexistence
strategy may need some work yet ... legacy modes might best be set
up explicitly by some tool not unlike "sensors-detect". (Or else
completely eradicated...)
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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Minor cleanup and reorg of the lm75 code.
- Kconfig provides a larger list of lm75-compatible chips
- A top comment now says what the driver does (!) ... as in, just
what sort of sensor is this??
- Section comments now delineate the various sections of the driver:
hwmon attributes, driver binding, register access, module glue.
One driver binding function moved out of the attribute section,
as did the driver struct itself.
- Minor tweaks to legacy probe logic: correct a comment, and
remove a pointless variable.
- Whitespace, linelength, and comment fixes.
This patch should include no functional changes. It's preparation
for adding new-style (driver model) I2C driver binding.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Acked-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Laurent Pinchart <laurentp@cse-semaphore.com>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
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All the *_MAX_ADDR defines are never used, so remove them. The number
of registers of each type is already expressed by the *_COUNT defines.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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This patch fixes a voltage scaling issue for the sch311x device.
Signed-Off-By: Juerg Haefliger <juergh at gmail.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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This patch adds a module load parameter to enable probing of
non-standard LPC addresses 0x162e and 0x164e when scanning for supported
ISA chips.
Signed-Off-By: Juerg Haefliger <juergh at gmail.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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This patch gets rid of a couple of macros previously used for sysfs attribute
generation and manipulation. This makes the source a little bigger but a lot
more readable and maintainable. It also fixes an issue with pwm5 & pwm6
attributes not being created read-only initially.
Signed-Off-By: Juerg Haefliger <juergh at gmail.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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device_create() is race-prone, so use the race-free
device_create_drvdata() instead as device_create() is going away.
Cc: Mark M. Hoffman <mhoffman@lightlink.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The new-style w83l786ng driver implements the optional detect()
callback to cover the use cases of the legacy driver.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Kevin Lo <kevlo@kevlo.org>
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The new-style w83l785ts driver implements the optional detect()
callback to cover the use cases of the legacy driver.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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The new-style w83793 driver implements the optional detect()
callback to cover the use cases of the legacy driver.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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The new-style w83792d driver implements the optional detect()
callback to cover the use cases of the legacy driver.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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The new-style w83791d driver implements the optional detect()
callback to cover the use cases of the legacy driver.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Marc Hulsman <m.hulsman@tudelft.nl>
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The new-style thmc50 driver implements the optional detect()
callback to cover the use cases of the legacy driver.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Krzysztof Helt <krzysztof.h1@wp.pl>
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The new-style smsc47m192 driver implements the optional detect()
callback to cover the use cases of the legacy driver.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Hartmut Rick <linux@rick.claranet.de>
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