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Assume that each register is banked, and set the bank for each access.
Cache the bank number so it only needs to be set if it changes.
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Acked-by: Ian Dobson <i.dobson@planet-ian.com>
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This cleanup fixes most of the checkpatch warnings and errors in the w83627ehf
driver. Remaining warnings and errors are left untouched on purpose to avoid
making the code less readable.
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Acked-by: Ian Dobson <i.dobson@planet-ian.com>
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conversions
This patch unifies temperature register access, and replaces simple_strtoXXX
with strict_strtoXXX throughout the driver.
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Acked-by: Ian Dobson <i.dobson@planet-ian.com>
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LTC4151 is High Voltage I2C Current and Voltage Monitor from Linear
Technology.
Signed-off-by: Per Dalen <per.dalen@appeartv.com>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
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LINEAR16 data format is unsigned, not signed. Impact is that affected
attributes report negative values in the upper half of the supported
value range.
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
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PMBus only has one set of limit registers for up to three temperature sensors.
Thus, changing a limit for one of the temperature sensors affects limits for
other temperature sensors in the same page (and potentially multiple pages
depending on the chip implementation). To handle this situation, re-read all
temperature limit registers when updating sensor data. This way, all affected
temperature limits are updated whenever the limit for a single sensor is
changed.
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
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Assumption so far was that PMBus devices would support TEMP2 and TEMP3 registers
only on page 0, and that only the TEMP1 register would be used/supported
on other pages.
Turns out that is not correct. UCD92xx devices support TEMP1 and TEMP2 on
page 0, and TEMP2 on other pages. So it is necessary to change the core code
such that it does not make a page based assumptions about temperature register
support.
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
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So far, it seemed like fans would either all be in page 0, or that
there would be one page per fan.
Turns out this was a wrong assumption. There is at least one PMBus
fan controller which supports three pages with four fans each.
Update code to handle this situation.
Reported-by: Greg Schnorr <gschnorr@cisco.com>
Tested-by: Greg Schnorr <gschnorr@cisco.com>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Acked-by: Greg Schnorr <gschnorr@cisco.com>
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Some PMBus chips do not support the VOUT_MODE register. To make matters worse,
such chips may not return an error when reading the register either, but instead
return 0xff.
Check if the register exists using pmbus_check_byte_register() before reading
its value. In addition, validate the returned value and ignore it if it is 0xff
(which is invalid).
Reported-by: Greg Schnorr <gschnorr@cisco.com>
Tested-by: Greg Schnorr <gschnorr@cisco.com>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Acked-by: Greg Schnorr <gschnorr@cisco.com>
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Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
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Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
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Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
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This driver adds support for hardware monitoring features of various PMBus
devices.
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
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EMC6D103S is similar to EMC6D103, only it does not support registers 62[5:7],
6D[0:7], and 6E[0:7]. Register respective sysfs attributes and update affected
registers for all other chips only.
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
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changed
So far, the driver updates temp_auto_hyst and temp_auto_off if temp_auto_min changes.
This may cause problems if temp_auto_off was not configured before configuring
temp_auto_min, because one of the variables used (off_desired) is not initialized
in this case.
To simplify the code, and for consistency with other drivers, no longer update the delta
between "min" and "off" until the user sets the "off" value again.
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
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Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
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ADT7463 and ADT7468 optionally support VID5 instead of the standard +12V
measurement input. Use a boolean to identify the chip configuration instead of
hardcoding it several times.
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
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This patch adds support for hardware monitoring of Lineage Compact Power Line
Power Entry Modules.
Reviewed-by: Tom Grennan <tom.grennan@ericsson.com>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
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There is a move to deprecate bus-specific PM operations and move to
using dev_pm_ops instead in order to reduce the amount of boilerplate
code in buses and facilitiate updates to the PM core. Do this move for
the lis3lv02d SPI driver.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
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This patch initializes register CONFIG3 to a reasonable default PWM frequency
of 25kHz, to prevent audible sound in fan.
Signed-off-by: Roland Stigge <stigge@antcom.de>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
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2-Channel Temperature Monitor with Dual PWM Fan-Speed Controller
Signed-off-by: Roland Stigge <stigge@antcom.de>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
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This avoids a possible race leading to trying to dereference NULL.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Cc: stable@kernel.org
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
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Get rid of old users of of_platform_driver in arch/sparc. Most
of_platform_driver users can be converted to use the platform_bus
directly.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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The device table is required to load modules based on modaliases.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
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The device table is required to load modules based on modaliases.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
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The interface is identical EMC6D102, so all that needs to be added are
some definitions and their uses.
Registers apparently missing in EMC6D103S/EMC6D103:A2 compared to EMC6D103:A0,
EMC6D103:A1, and EMC6D102 (according to the data sheets), but used
unconditionally in the driver: 62[5:7], 6D[0:7], and 6E[0:7]. For that
reason, EMC6D103S chips don't get enabled for the time being.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
(Guenter Roeck: Replaced EMC6D103_A2 with EMC6D103S per EMC6D103S datasheet)
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Cc: stable@kernel.org
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Add the PCI ID to support the internal temperature sensor of the
AMD "Llano" and "Brazos" processor families.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Cc: stable@kernel.org # ca86828: x86, AMD, PCI: Add AMD northbridge PCI device
Cc: stable@kernel.org
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
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On systems where the temperature sensor is actually used, the BIOS is
likely to have locked the alarm registers. In that case, all writes
through the corresponding sysfs files would be silently ignored.
To prevent this, detect the locks and make the affected sysfs files
read-only.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Cc: stable@kernel.org
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
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The documentation lists standard numbers and chip names in excruciating
detail, but that's all it does. To help mere mortals in deciding
whether to enable this driver, mention what this sensor is for and in
which systems it might be found.
Also add a link to the actual JC 42.4 specification.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Cc: stable@kernel.org
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
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In set_temp_crit_hyst(), make the variable 'val' have the correct
type for strict_strtoul().
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Cc: stable@kernel.org
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
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I2C address range included 0x2a, which the chips do not support.
Replace with 0x29 which is supported but was missing.
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
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LM64 has 16 degrees Celsius temperature offset on all
remote sensor registers.
This was not considered When LM64 support was added to lm63.c.
Signed-off-by: Dirk Eibach <eibach@gdsys.de>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Cc: stable@kernel.org
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Turn down the no IRQ message - on some platforms that's a normal state of
affairs.
Signed-off-by: Kalhan Trisal <kalhan.trisal@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Acked-by: Eric Piel <eric.piel@tremplin-utc.net>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
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ASUS Sabertooth X58 has a bug in ACPI that prevents the reading of MCH
temperature when the "old" ATK0110 interface is used. Add a DMI entry
to override the detection heuristic and force the use of the "new"
interface on this board.
Signed-off-by: Luca Tettamanti <kronos.it@gmail.com>
Tested-by: Joris Creyghton <jorisctn@gmail.com>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
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The switch to dynamically allocated sysfs attributes left the
internal lockdep members uninitialized, causing a formal bug.
This patch adds sysfs_attr_init() to the node creation function,
remedying the problem.
Reported-and-tested-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
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This patch adds basic support for LM94 to the LM93 driver. LM94 specific
sensors and features are not supported.
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
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Minor cleanups. Mostly removing assignments in if statements to get
rid of checkpatch errors.
Signed-off-by: Juerg Haefliger <juergh@gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Add support for the 1.5V voltage monitoring input (in7) of the
SMSC SCH5127 chip.
Signed-off-by: Juerg Haefliger <juergh@gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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EMC1423 uses the similar register and adds a hardware shutdown pin to
protect exceed temperature. This function is set by resistor; it's not
necessary to do anything in the driver except add the emc1423 pid of 0x23.
Signed-off-by: Jekyll Lai <jekyll_lai@wistron.com>
[Updated Kconfig/comments and minor further changes asked for by the hwmon
maintainers]
Signed-off-by: Alan Cox <alan@linux.intel.com>
[Fixed checkpatch warning]
Signed-of--by: Jean Delvare <khali@linux-fr.org>
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This is the same case as fschmd, from which the code was copied as far
as I can see. So the same clean-up applies:
The WDIOC_GETSUPPORT ioctl only needs a mutex because it operates on a
static variable. There is no good reason to keep this variable static,
so let's just make it non-static and drop the now useless mutex
altogether.
See the discussion at:
http://marc.info/?l=lm-sensors&m=125563869402323&w=2
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Hans de Goede <hdegoede@redhat.com>
Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
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As discussed one year ago, the WDIOC_GETSUPPORT ioctl only needs a
mutex because it operates on a static variable. There is no good
reason to keep this variable static, so let's just make it non-static
and drop the now useless mutex altogether.
See the discussion at:
http://marc.info/?l=lm-sensors&m=125563869402323&w=2
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Hans de Goede <hdegoede@redhat.com>
Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
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Added #define pr_fmt KBUILD_MODNAME ": " fmt
Converted printks to pr_<level>
Coalesced any long formats
Removed prefixes from formats
[JD: Optimize repeated debug messages]
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Added #define pr_fmt KBUILD_MODNAME ": " fmt
Converted printks to pr_<level>
Coalesced any long formats
Removed prefixes from formats
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Added #define pr_fmt KBUILD_MODNAME ": " fmt
Converted printks to pr_<level>
Coalesced any long formats
Removed prefixes from formats
[JD: Also convert debug messages]
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Added #define pr_fmt KBUILD_MODNAME ": " fmt
Converted printks to pr_<level>
Coalesced any long formats
Removed prefixes from formats
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Added #define pr_fmt KBUILD_MODNAME ": " fmt
Converted printks to pr_<level>
Coalesced any long formats
Removed prefixes from formats
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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We have a standard intrusion detection interface now, drivers should
implement it. I've left the old interface in place for the time being,
with a deprecation warning, it will be removed later.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
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We have a standard intrusion detection interface now, drivers should
implement it. I've left the old interface in place for the time being,
with a deprecation warning, it will be removed later.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
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We have a standard intrusion detection interface now, drivers should
implement it. I've left the old interface in place for the time being,
with a deprecation warning, it will be removed later.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
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