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path: root/drivers/hwmon
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2014-10-20hwmon: (menf21bmc) Include linux/err.hJohannes Thumshirn1-0/+1
Include linux/err.h to get the definitions for IS_ERR() PTR_ERR() and ERR_PTR() used in the driver. This fixes compilation on powerpc targets. Signed-off-by: Johannes Thumshirn <johannes.thumshirn@men.de> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-10-03hwmon: (ab8500) Call kernel_power_off instead of pm_power_offGuenter Roeck1-2/+3
Drivers should not call pm_power_off directly; it is not guaranteed to be non-NULL. Call kernel_power_off instead. Cc: Jean Delvare <jdelvare@suse.de> Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-09-24Merge tag 'mfd-hwmon-leds-watchdog-v3.18' into hwmon-nextGuenter Roeck3-0/+241
Immutable branch between MFD, HWMON, LEDs and Watchdog for v3.18
2014-09-24hwmon: (menf21bmc) Introduce MEN14F021P00 BMC HWMON driverAndreas Werner3-0/+241
Added driver to support the 14F021P00 BMC Hardware Monitoring. The BMC is a Board Management Controller including monitoring of the board voltages. Signed-off-by: Andreas Werner <andreas.werner@men.de> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-09-22hwmon: (ntc_thermistor) Add ntc thermistor to thermal subsystem as a sensor.Jonghwa Lee2-0/+26
To get more comprehensive and integrated thermal management, it adds ntc thermistor to thermal framework as a thermal sensor. It's governed thermal susbsystem only if it is described in DT node. Otherwise, it just notifies temperature to userspace via sysfs as it used to be. Signed-off-by: Jonghwa Lee <jonghwa3.lee@samsung.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-09-22hwmon: (smsc47b397) Convert to devm_hwmon_device_register_with_groupsAxel Lin1-44/+7
Use ATTRIBUTE_GROUPS macro and devm_hwmon_device_register_with_groups() to simplify the code a bit. Signed-off-by: Axel Lin <axel.lin@ingics.com> Tested-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-09-22hwmon: (k10temp) Convert to devm_hwmon_device_register_with_groupsGuenter Roeck1-76/+48
Use devm_hwmon_device_register_with_groups() to simplify the code and reduce code size. Cc: Clemens Ladisch <clemens@ladisch.de> Tested-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-09-22hwmon: (k10temp) Add support for F15h M60hAravind Gopalakrishnan2-5/+34
This patch adds temperature monitoring support for F15h M60h processor. - Add new pci device id for the relevant processor - The functionality of REG_REPORTED_TEMPERATURE is moved to D0F0xBC_xD820_0CA4 [Reported Temperature Control] - So, use this to get CUR_TEMP value - Since we need an indirect register access, protect this with a mutex lock - Add Kconfig, Doc entries to indicate support for this processor. Signed-off-by: Aravind Gopalakrishnan <aravind.gopalakrishnan@amd.com> Acked-by: Borislav Petkov <bp@suse.de> Acked-by: Clemens Ladisch <clemens@ladisch.de> [Guenter Roeck: Declare new mutex and function static] Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-09-22hwmon: (da9052) Convert to devm_hwmon_device_register_with_groupsAxel Lin1-45/+9
Use ATTRIBUTE_GROUPS macro and devm_hwmon_device_register_with_groups() to simplify the code a bit. Signed-off-by: Axel Lin <axel.lin@ingics.com> Tested-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-09-22hwmon: (da9055) Convert to devm_hwmon_device_register_with_groupsAxel Lin1-43/+9
Use ATTRIBUTE_GROUPS macro and devm_hwmon_device_register_with_groups() to simplify the code a bit. Signed-off-by: Axel Lin <axel.lin@ingics.com> Tested-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-09-22hwmon: (ads1015) Use of_property_read_u32 at appropriate placesAxel Lin1-13/+8
Simplify the code a bit and also improve readability. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-09-22hwmon: (tmp103) Fix resource leak bug in tmp103 temperature sensor driversundarjdev1-1/+1
tmp103 temperature sensor driver registers with the hwmon framework by calling hwmon_device_register_with_groups but does not have a .remove method to call hwmon_device_unregister to unregister from the framework when the device is no longer needed. Fix this by calling devm_hwmon_device_register_with_groups. Signed-off-by: Sundar J Dev <sundarjayakumardev@gmail.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-09-17hwmon: (fam15h_power) Add support for two more processorsAravind Gopalakrishnan1-0/+2
Fam16h,M30h(Mullins) and Fam15hM30h(Kaveri) processors can report 'power_crit' value. So, adding their respective device ids. Signed-off-by: Aravind Gopalakrishnan <Aravind.Gopalakrishnan@amd.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-09-17hwmon: (fam15h_power) Make actual power reporting conditionalAravind Gopalakrishnan1-1/+17
power1_input should only be reported for Fam15h, Models 00h-0fh So, introduce a is_visible function to take care of this. As suggested by Guenter here: http://marc.info/?l=linux-kernel&m=141038145616437&w=2 Suggested-by: Guenter Roeck <linux@roeck-us.net> Fixes: 22e32f4f5777 ('x86,AMD: Power driver support for AMD's family 16h processors') Signed-off-by: Aravind Gopalakrishnan <Aravind.Gopalakrishnan@amd.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-08-28hwmon: (ds1621) Update zbits after conversion rate changeRobert Coulson1-0/+1
After the conversion rate is changed, the zbits are not updated, but should be, since they are used later in the set_temp function. Fixes: a50d9a4d9ad3 ("hwmon: (ds1621) Fix temperature rounding operations") Reported-by: Murat Ilsever <murat.ilsever@gmail.com> Signed-off-by: Robert Coulson <rob.coulson@gmail.com> Cc: stable@vger.kernel.org Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-08-14Merge tag 'hwmon-for-linus' of ↵Linus Torvalds15-31/+60
git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging Pull hwmon fixes from Guenter Roeck: "Several bug fixes in various drivers, plus a minor cleanup in the tmp103 driver" * tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: hwmon: (tmp103) Remove duplicate test for I2C_FUNC_SMBUS_BYTE_DATA functionality hwmon: (w83793) Fix vrm write operation hwmon: (w83791d) Fix vrm write operation hwmon: (w83627hf) Fix vrm write operation hwmon: (vt1211) Fix vrm write operation hwmon: (pc87360) Fix vrm write operation hwmon: (lm87) Fix vrm write operation hwmon: (asb100) Fix vrm write operation hwmon: (adm1026) Fix vrm write operation hwmon: (adm1025) Fix vrm write operation hwmon: (hih6130) Fix missing hih6130->write_length setting hwmon: (dme1737) Prevent overflow problem when writing large limits hwmon: (emc6w201) Fix temperature limit range hwmon: (ads1015) Fix out-of-bounds array access hwmon: (lm92) Prevent overflow problem when writing large limits
2014-08-10hwmon: (tmp103) Remove duplicate test for I2C_FUNC_SMBUS_BYTE_DATA functionalityAxel Lin1-7/+0
Since commit b42261078a91 ("regmap: i2c: fallback to SMBus if the adapter does not support standard I2C"), regmap-i2c will check the I2C_FUNC_SMBUS_[BYTE|WORD]_DATA functionality based on the regmap_config setting if the adapter does not support standard I2C. So remove the I2C_FUNC_SMBUS_BYTE_DATA functionality check in the driver code. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-08-07fs.h, drivers/hwmon/asus_atk0110.c: fix DEFINE_SIMPLE_ATTRIBUTE semicolon ↵Joe Perches1-1/+1
definition and use The DEFINE_SIMPLE_ATTRIBUTE macro should not end in a ; Fix the one use in the kernel tree that did not have a semicolon. Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Guenter Roeck <linux@roeck-us.net> Acked-by: Luca Tettamanti <kronos.it@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06hwmon: (w83793) Fix vrm write operationAxel Lin1-0/+3
vrm is an u8, so the written value needs to be limited to [0, 255]. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-08-06hwmon: (w83791d) Fix vrm write operationAxel Lin1-0/+3
vrm is an u8, so the written value needs to be limited to [0, 255]. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-08-06hwmon: (w83627hf) Fix vrm write operationAxel Lin1-0/+3
vrm is an u8, so the written value needs to be limited to [0, 255]. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-08-06hwmon: (vt1211) Fix vrm write operationAxel Lin1-0/+3
vrm is an u8, so the written value needs to be limited to [0, 255]. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-08-06hwmon: (pc87360) Fix vrm write operationAxel Lin1-0/+3
vrm is an u8, so the written value needs to be limited to [0, 255]. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-08-06hwmon: (lm87) Fix vrm write operationAxel Lin1-0/+4
vrm is an u8, so the written value needs to be limited to [0, 255]. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-08-06hwmon: (asb100) Fix vrm write operationAxel Lin1-0/+4
vrm is an u8, so the written value needs to be limited to [0, 255]. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-08-06hwmon: (adm1026) Fix vrm write operationAxel Lin1-0/+3
vrm is an u8, so the written value needs to be limited to [0, 255]. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-08-06hwmon: (adm1025) Fix vrm write operationAxel Lin1-0/+3
vrm is an u8, so the written value needs to be limited to [0, 255]. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-08-06hwmon: (hih6130) Fix missing hih6130->write_length settingAxel Lin1-0/+3
The hih6130->write_length setting was accidently removed by commit ebc6b9383f3e "hwmon: (hih6130) Convert to devm_hwmon_device_register_with_groups", fix it. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-08-06hwmon: (dme1737) Prevent overflow problem when writing large limitsAxel Lin1-15/+18
On platforms with sizeof(int) < sizeof(long), writing a temperature limit larger than MAXINT will result in unpredictable limit values written to the chip. Avoid auto-conversion from long to int to fix the problem. Voltage limits, fan minimum speed, pwm frequency, pwm ramp rate, and other attributes have the same problem, fix them as well. Zone temperature limits are signed, but were cached as u8, causing unepected values to be reported for negative temperatures. Cache as s8 to fix the problem. vrm is an u8, so the written value needs to be limited to [0, 255]. Signed-off-by: Axel Lin <axel.lin@ingics.com> [Guenter Roeck: Fix zone temperature cache] Cc: stable@vger.kernel.org Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-08-06hwmon: (emc6w201) Fix temperature limit rangeGuenter Roeck1-2/+2
Temperature limit range is [-127, 127], not [-127, 128]. The wrong range caused a bad limit to be written into the chip if the limit was set to a value of 128 degrees C or above. Also use DIV_ROUND_CLOSEST instead of a plain divide operation to reduce the rounding error when writing temperature limits. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Reviewed-by: Jean Delvare <jdelvare@suse.de>
2014-08-06hwmon: (ads1015) Fix out-of-bounds array accessAxel Lin1-0/+2
Current code uses data_rate as array index in ads1015_read_adc() and uses pga as array index in ads1015_reg_to_mv, so we must make sure both data_rate and pga settings are in valid value range. Return -EINVAL if the setting is out-of-range. Signed-off-by: Axel Lin <axel.lin@ingics.com> Cc: stable@vger.kernel.org Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-08-06hwmon: (lm92) Prevent overflow problem when writing large limitsAxel Lin1-7/+6
On platforms with sizeof(int) < sizeof(long), writing a temperature limit larger than MAXINT will result in unpredictable limit values written to the chip. Avoid auto-conversion from long to int to fix the problem. The hysteresis temperature range depends on the value of data->temp[attr->index], since val is subtracted from it. Use a wider clamp, [-120000, 220000] should do to cover the possible range. Also add missing TEMP_TO_REG() on writes into cached hysteresis value. Also uses clamp_val to simplify the code a bit. Signed-off-by: Axel Lin <axel.lin@ingics.com> [Guenter Roeck: Fixed double TEMP_TO_REG on hysteresis updates] Cc: stable@vger.kernel.org Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-08-06Merge branch 'timers-core-for-linus' of ↵Linus Torvalds1-4/+2
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull timer and time updates from Thomas Gleixner: "A rather large update of timers, timekeeping & co - Core timekeeping code is year-2038 safe now for 32bit machines. Now we just need to fix all in kernel users and the gazillion of user space interfaces which rely on timespec/timeval :) - Better cache layout for the timekeeping internal data structures. - Proper nanosecond based interfaces for in kernel users. - Tree wide cleanup of code which wants nanoseconds but does hoops and loops to convert back and forth from timespecs. Some of it definitely belongs into the ugly code museum. - Consolidation of the timekeeping interface zoo. - A fast NMI safe accessor to clock monotonic for tracing. This is a long standing request to support correlated user/kernel space traces. With proper NTP frequency correction it's also suitable for correlation of traces accross separate machines. - Checkpoint/restart support for timerfd. - A few NOHZ[_FULL] improvements in the [hr]timer code. - Code move from kernel to kernel/time of all time* related code. - New clocksource/event drivers from the ARM universe. I'm really impressed that despite an architected timer in the newer chips SoC manufacturers insist on inventing new and differently broken SoC specific timers. [ Ed. "Impressed"? I don't think that word means what you think it means ] - Another round of code move from arch to drivers. Looks like most of the legacy mess in ARM regarding timers is sorted out except for a few obnoxious strongholds. - The usual updates and fixlets all over the place" * 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (114 commits) timekeeping: Fixup typo in update_vsyscall_old definition clocksource: document some basic timekeeping concepts timekeeping: Use cached ntp_tick_length when accumulating error timekeeping: Rework frequency adjustments to work better w/ nohz timekeeping: Minor fixup for timespec64->timespec assignment ftrace: Provide trace clocks monotonic timekeeping: Provide fast and NMI safe access to CLOCK_MONOTONIC seqcount: Add raw_write_seqcount_latch() seqcount: Provide raw_read_seqcount() timekeeping: Use tk_read_base as argument for timekeeping_get_ns() timekeeping: Create struct tk_read_base and use it in struct timekeeper timekeeping: Restructure the timekeeper some more clocksource: Get rid of cycle_last clocksource: Move cycle_last validation to core code clocksource: Make delta calculation a function wireless: ath9k: Get rid of timespec conversions drm: vmwgfx: Use nsec based interfaces drm: i915: Use nsec based interfaces timekeeping: Provide ktime_get_raw() hangcheck-timer: Use ktime_get_ns() ...
2014-08-04hwmon: (g762) Use of_property_read_u32 at appropriate placeAxel Lin1-5/+2
Simplify the code a bit and also improve readability. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-08-04hwmon: (sis5595) Prevent overflow problem when writing large limitsAxel Lin1-1/+1
On platforms with sizeof(int) < sizeof(long), writing a temperature limit larger than MAXINT will result in unpredictable limit values written to the chip. Avoid auto-conversion from long to int to fix the problem. Signed-off-by: Axel Lin <axel.lin@ingics.com> Cc: stable@vger.kernel.org Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-08-04hwmon: (gpio-fan) Prevent overflow problem when writing large limitsAxel Lin1-1/+1
On platforms with sizeof(int) < sizeof(unsigned long), writing a rpm value larger than MAXINT will result in unpredictable limit values written to the chip. Avoid auto-conversion from unsigned long to int to fix the problem. Signed-off-by: Axel Lin <axel.lin@ingics.com> Cc: stable@vger.kernel.org Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-08-04hwmon: (ibmpowernv) Use of_property_read_u32 at appropriate placeAxel Lin1-4/+3
Simplify the code a bit and also improve readability. Signed-off-by: Axel Lin <axel.lin@ingics.com> Tested-by: Neelesh Gupta <neelegup@linux.vnet.ibm.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-08-04hwmon: (lm85) Convert to devm_hwmon_device_register_with_groupsAxel Lin1-93/+51
Use devm_hwmon_device_register_with_groups() to simplify the code a bit. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-08-04hwmon: (lm85) Avoid forward declarationAxel Lin1-263/+250
Reorder functions to avoid forward declaration. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-08-04hwmon: (lm78) Convert to devm_hwmon_device_register_with_groupsAxel Lin1-83/+15
Use ATTRIBUTE_GROUPS macro and devm_hwmon_device_register_with_groups() to simplify the code a bit. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-08-04hwmon: (max6697) Use of_property_read_bool at appropriate placesAxel Lin1-9/+7
This slightly improves readability. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-08-04hwmon: (pwm-fan) Make SENSORS_PWM_FAN depend on OFAxel Lin1-1/+1
This driver won't instantiate if OF is not configured, thus add OF dependency. Also add COMPILE_TEST to increase build testing coverage. Signed-off-by: Axel Lin <axel.lin@ingics.com> Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-08-04hwmon: (pwm-fan) Remove duplicate dev_set_drvdata callAxel Lin1-1/+0
The dev_set_drvdata() call is equivalent to the platform_set_drvdata() call in next line. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-08-04hwmon: (nct6775) Remove num_attr_groups from struct nct6775_dataAxel Lin1-6/+6
num_attr_groups is only used in nct6775_probe(), make it to be local variable. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-08-04hwmon: (nct6775) Update module description and Kconfig for NCT6106D and NCT6791DAxel Lin2-3/+3
This driver also supports NCT6106D and NCT6791D, thus update module description and Kconfig accordingly. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-08-04hwmon: (adt7411) Convert to devm_hwmon_device_register_with_groupsAxel Lin1-39/+20
Use ATTRIBUTE_GROUPS macro and devm_hwmon_device_register_with_groups() to simplify the code a bit. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-08-04hwmon: (g762) Convert to hwmon_device_register_with_groupsAxel Lin1-44/+27
Use ATTRIBUTE_GROUPS macro and hwmon_device_register_with_groups() to simplify the code a bit. Use hwmon_device_register_with_groups rather than the device managed version to ensure g762_of_clock_disable() is called after hwmon_device_unregister(). Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-08-04hwmon: (emc2103) Convert to devm_hwmon_device_register_with_groupsAxel Lin1-63/+26
Use devm_hwmon_device_register_with_groups() to simplify the code a bit. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-08-04hwmon: (smsc47m1) Avoid forward declarationAxel Lin1-60/+55
Reorder functions to avoid forward declaration. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2014-08-04hwmon: (smsc47m192) Convert to devm_hwmon_device_register_with_groupsAxel Lin1-52/+25
Use devm_hwmon_device_register_with_groups() to simplify the code a bit. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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