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Drivers should be including <linux/io.h> instead of <asm/io.h>.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Alistair John Strachan <alistair@devzero.co.uk>
Cc: Nicolas Boichat <nicolas@boichat.ch>
Cc: Juerg Haefliger <juergh@gmail.com>
Cc: Frank Seidel <frank@f-seidel.de>
Acked-by: Jim Cromie <jim.cromie@gmail.com>
Cc: "Mark M. Hoffman" <mhoffman@lightlink.com>
Cc: Roger Lucas <vt8231@hiddenengine.co.uk>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Check for ACPI resource conflicts in hwmon drivers. I've included
all Super-I/O and PCI drivers.
I've voluntarily left out:
* Vendor-specific drivers: if they conflicted on any system, this would
pretty much mean that they conflict on all systems, and we would know
by now.
* Legacy ISA drivers (lm78 and w83781d): they only support chips found
on old designs were ACPI either wasn't supported or didn't deal with
thermal management.
* Drivers accessing the I/O resources indirectly (e.g. through SMBus):
the checks are already done where they belong, i.e. in the bus drivers.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Acked-by: David Hubbard <david.c.hubbard@gmail.com>
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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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We can handle the beep enable bit as any other beep mask bit for
slightly smaller code.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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The new libsensors needs these individual alarm and beep files. The
code was copied from the w83781d driver. I've tested the alarm files
on a W83627THF. I couldn't test the beep files as the system in
question doesn't have a speaker.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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If VBAT monitoring is disabled, enable it. Bug reported on the
lm-sensors trac system:
http://lm-sensors.org/ticket/2282
This is the exact same patch that was applied to the w83627ehf driver
6 months ago.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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While it is possible to force SMBus-based hardware monitoring chip
drivers to drive a not officially supported device, we do not have this
possibility for Super-I/O-based drivers. That's unfortunate because
sometimes newer chips are fully compatible and just forcing the driver
to load would work. Instead of that we have to tell the users to
recompile the kernel driver, which isn't an easy task for everyone.
So, I propose that we add a module parameter to all Super-I/O based
hardware monitoring drivers, letting advanced users force the driver
to load on their machine. The user has to provide the device ID of a
supposedly compatible device. This requires looking at the source code or
a datasheet, so I am confident that users can't randomly force a driver
without knowing what they are doing. Thus this should be relatively safe.
As you can see from the code, the implementation is pretty simple and
unintrusive.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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patch changes 2 macros to incorporate the +1, and drops the +1 from all the
callers. This also allows a 'reroll' of an expanded loop, and adjusting
indexes and loop limits on another.
Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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This hoists nr-1 offset out of (show|store)_temp_*(.*) callbacks, and into
SENSOR_DEVICE_ATTRs for sysfs tempN_X files. It also combines
temp[1] and temp_add[2] (array) fields in w83627hf_data into 3 elem arrays,
which simplifies special-case handling of nr, allowing simplification
of callback bodies and rerolling a flattened loop in
w83627hf_update_device(struct device *dev).
The array conversion changes temp[1] from u8 to u16, but this was
happening implicitly via the helper functions anyway.
Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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The bank switching code assumes that the bank selector is set to 0
when the driver is loaded. This might not be the case. This is exactly
the same bug as was fixed in the w83627ehf driver two months ago:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0956895aa6f8dc6a33210967252fd7787652537d
In practice, this bug was causing the sensor thermal types to be
improperly reported for my W83627THF the first time I was loading the
w83627hf driver. From the driver history, I'd say that it has been
broken since September 2005 (when we stopped resetting the chip by
default at driver load.)
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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We need to read the fan clock dividers at initialization time,
otherwise the code in store_fan_min() may use uninitialized values.
That's pretty much the same bug and same fix as for the w83627ehf
driver last month.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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This patch to drivers/hwmon/w83627hf converts many sysfs items from DEVICE_ATTRs
to SENSOR_DEVICE_ATTRs, and replaces macros which expand to define redundant
callbacks, with callbacks which use the SENSOR_DEV.nr to know what to do.
Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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The VRM value is not read from chip registers, so there's no need
to update the device data cache before exporting the VRM value to
user-space.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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Convert from class_device to device for hwmon_device_register/unregister
Signed-off-by: Tony Jones <tonyj@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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Deprecate the use of thermistor beta values as thermal sensor types.
No driver supports changing the beta value anyway.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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- replace differing temperature variable types by long
- use strtol() instead of strtoul() for conversion
Signed-off-by: Christian Hohnstaedt <chohnstaedt@innominate.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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On Sun, 22 Jul 2007 00:30:56 +0200, Gabriel C wrote:
> I noticed this warnings on current git:
>
> drivers/hwmon/pc87360.c:1082: warning: 'pc87360_remove' defined but not used
> drivers/hwmon/sis5595.c:580: warning: 'sis5595_remove' defined but not used
> drivers/hwmon/smsc47m1.c:608: warning: 'smsc47m1_remove' defined but not used
> drivers/hwmon/via686a.c:648: warning: 'via686a_remove' defined but not used
> drivers/hwmon/vt8231.c:755: warning: 'vt8231_remove' defined but not used
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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Fix a potential race condition when some hardware monitoring platform
drivers are being unloaded. I believe that the driver data pointer
shouldn't be cleared before all the sysfs files are removed, otherwise
a sysfs callback might attempt to dereference a NULL pointer. I'm not
sure exactly what the driver core protects drivers against, so let's
play it safe.
While we're here, clear the driver data pointer when probe fails, so
as to not leave an invalid pointer behind us.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
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Signed-off-by: Carlos Olalla <com.ea@tinet.org>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Use platform_device_add_data() in hardware monitoring drivers. This
makes the code nicer and smaller too. Reported by David Hubbard.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: David Hubbard <david.c.hubbard@gmail.com>
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Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Convert the w83627hf driver from the nonsensical i2c-isa hack to a
regular platform driver.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Some preliminary cleanups to the w83627hf hardware monitoring driver,
to make its conversion to a platform driver easier:
* Add missing include ioport.h
* Drop unused enum value any_chip
* Group module parameters
* Define and use DRVNAME
* Drop unused struct member lm75
* Move the handling of force_addr and device activation to
w83627hf_find
* Consistently use local type in w83627hf_init_client
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Some hardware monitoring drivers create the VID/VRM interface files
conditionally depending on the chip model or configuration. We should
only call vid_which_vrm() when we are actually going to create the
files. Not only it is more logical and efficient that way, but it also
prevents printing unnecessary warnings such as the one reported here:
http://lists.lm-sensors.org/pipermail/lm-sensors/2007-February/018954.html
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Cleanup a bogus legacy comment that has been replicated to many
hardware monitoring drivers.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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hwmon: Fix unchecked return status, batch 1
Fix up some hwmon drivers so that they no longer ignore return status
from device_create_file().
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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i2c-isa: Restore driver owner
Commit 2b48716d1d2f2edb1e7cbc5ecf1cb2cb39373e33 back in January
2006 was a bit overzealous. It removed .owner from all i2c drivers,
including i2c-isa ones, while they still need it.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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acquired (aquired)
contiguous (contigious)
successful (succesful, succesfull)
surprise (suprise)
whether (weather)
some other misspellings
Signed-off-by: Andreas Mohr <andi@lisas.de>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
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"register" is a reserved keyword so using it as a parameter name
can confuse some compilers, most notably ICC.
The patch below just renames all occurences to reg which fits the actual
function declarations.
Signed-off-by: Darren Jenkins <darrenrjenkins@gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Add support for the Winbond W83687THF chip to the w83627hf hardware
monitoring driver. This new chip is almost similar to the already
supported W83627THF chip, except for VID and a few other minor
changes.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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convert drivers/hwmon/*.c semaphore use to mutexes.
the conversion was generated via scripts, and the result was validated
automatically via a script as well.
all affected hwmon drivers were build-tested.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Now that i2c_add_driver() doesn't need the module owner to be set by
hand, we can delete it from the drivers. This patch catches all of the
drivers that I found in the current tree (if a driver sets the .owner by
hand, it's not a problem, just not needed.)
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Cc: Jean Delvare <khali@linux-fr.org>
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We should use the i2c_driver.driver's .name and .owner fields
instead of the i2c_driver's ones.
This patch updates the hwmon drivers.
Signed-off-by: Laurent Riffard <laurent.riffard@free.fr>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch fixes the VID reading; no cpu0_vid and vrm files created if
the chip is w83627thf and GPIO5 not enabled.
Signed-off-by: Yuan Mu <ymu@winbond.com.tw>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Add SENSORS_LIMIT in store VCore limit functions. This fixes a potential
u8 overflow on out-of-range user input.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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* Fix in4 reads for W83627THF and W83637HF chips.
* Use the correct register for alarm flags.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Use kzalloc instead of kmalloc+memset in all hardware monitoring
drivers.
Signed-off-by: Deepak Saxena <dsaxena@plexity.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Drop a useless initialization step in the w83627hf driver. The comment
says that the W83627HF PWM2 can be disabled, but it can't. I suppose
this is a leftover from the w83781d driver (from which the w83627hf
driver is derived), as for example the W83782D had the ability to
disable PWM2.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch changes w83627hf and w83627ehf drivers to reserve only ports
0x295-0x296, instead of full 0x290-0x297 range. While some other
sensors chips respond to all addresses in 0x290-0x297 range, Winbond
chips respond to 0x295-0x296 only (this behavior is implied by
documentation, and matches behavior observed on real systems). This is
not problem alone, as no BIOS was found to put something at these unused
addresses, and sensors chip itself provides nothing there as well.
But in addition to only respond to these two addresses, also BIOS
vendors report in their ACPI-PnP structures that there is some resource
at I/O address 0x295 of length 2. And when later this hwmon driver
attempts to request region with base 0x290/length 8, it fails as one
request_region cannot span more than one device.
Due to this we have to ask only for region this hardware really
occupies, otherwise driver cannot be loaded on systems with ACPI-PnP
enabled.
Signed-off-by: Petr Vandrovec <vandrove@vc.cvut.cz>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Discard a common out-of-date comment in 5 hardware monitoring drivers.
The hardware monitoring chip drivers are no more setting sensor limits
at initialization time, for quite some time already.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/hwmon/lm78.c | 1 -
drivers/hwmon/via686a.c | 1 -
drivers/hwmon/w83627hf.c | 1 -
drivers/hwmon/w83781d.c | 1 -
drivers/hwmon/w83792d.c | 1 -
5 files changed, 5 deletions(-)
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Make the reset of the chips in w83627hf optional rather than the
default. This reset has been causing trouble several times already. It
may even go completely away unless it proves to be useful to at least
one user.
Closes bug #5168:
http://bugzilla.kernel.org/show_bug.cgi?id=5168
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The only part left in i2c-sensor is the VRM/VRD/VID handling code.
This is in no way related to i2c, so it doesn't belong there. Move
the code to hwmon, where it belongs.
Note that not all hardware monitoring drivers do VRM/VRD/VID
operations, so less drivers depend on hwmon-vid than there were
depending on i2c-sensor.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The only thing left in i2c-sensor.h are module parameter definition
macros. It's only an extension of what i2c.h offers, and this extension
is not sensors-specific. As a matter of fact, a few non-sensors drivers
use them. So we better merge them in i2c.h, and get rid of i2c-sensor.h
altogether.
Signed-off-by: Jean Delvare <khali@linux-fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Super-I/O find functions in hardware monitoring drivers can be tagged
__init as they are only called from functions themselves tagged __init.
Two of them (smsc47b397 and w83627ehf) already do, but the other four
of them (it87, pc87360, smsc47m1 and w83627hf) did not.
This saves a few bytes of memory after the drivers are loaded, 192 in
the case of the it87 driver.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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We could refactor the error message 34 different i2c drivers print if
i2c_detach_client() fails in this function itself. Saves quite a few
lines of code. Documentation is updated to reflect that change.
Note that this patch should be applied after Rudolf Marek's w83792d
patches.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Call the ISA chip drivers detection function directly instead of relying
on i2c_detect. The net effect is that address lists won't be handled
anymore, but they were mostly useless in the ISA case anyway (pc87360,
smsc47m1, smsc47b397 had already dropped them).
We don't need to handle multiple devices, all we may need is a way to
force a given address instead of the original one (some drivers already
do: sis5595, via686a, w83627hf), and, for drivers supporting multiple
chips, a way to force one given kind. All this may be added later on
demand, but I actually don't think there will be much demand.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Convert the 10 ISA hardware monitoring drivers (it87, lm78, pc87360,
sis5595, smsc47b397, smsc47m1, via686a, w83627hf, w83627ehf, w83781d) to
explicitely register with i2c-isa. For hybrid drivers (it87, lm78,
w83781d), we now have two separate instances of i2c_driver, one for the
I2C interface of the chip, and one for ISA interface. In the long run,
the one for ISA will be replaced with a different driver type.
At this point, all drivers are working again, except for missing
dependencies in Kconfig.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch modifies sensors chip drivers to make use of the new
sysfs class "hwmon".
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Part 2: Move the driver files themselves.
Note that the patch "adds trailing whitespace", because it does move the
files as-is, and some files happen to have trailing whitespace.
From: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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