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Pull char/misc driver updates from Greg KH:
"Here's the big char/misc driver pull request for 4.2-rc1.
Lots of mei, extcon, coresight, uio, mic, and other driver updates in
here. Full details in the shortlog. All of these have been in
linux-next for some time with no reported problems"
* tag 'char-misc-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (176 commits)
mei: me: wait for power gating exit confirmation
mei: reset flow control on the last client disconnection
MAINTAINERS: mei: add mei_cl_bus.h to maintained file list
misc: sram: sort and clean up included headers
misc: sram: move reserved block logic out of probe function
misc: sram: add private struct device and virt_base members
misc: sram: report correct SRAM pool size
misc: sram: bump error message level on unclean driver unbinding
misc: sram: fix device node reference leak on error
misc: sram: fix enabled clock leak on error path
misc: mic: Fix reported static checker warning
misc: mic: Fix randconfig build error by including errno.h
uio: pruss: Drop depends on ARCH_DAVINCI_DA850 from config
uio: pruss: Add CONFIG_HAS_IOMEM dependence
uio: pruss: Include <linux/sizes.h>
extcon: Redefine the unique id of supported external connectors without 'enum extcon' type
char:xilinx_hwicap:buffer_icap - change 1/0 to true/false for bool type variable in function buffer_icap_set_configuration().
Drivers: hv: vmbus: Allocate ring buffer memory in NUMA aware fashion
parport: check exclusive access before register
w1: use correct lock on error in w1_seq_show()
...
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Pull hwmon updates from Guenter Roeck:
- new driver for Microchip TC74
- support for ncpXXwf104 added to ntc_thermistor driver
- minor cleanup
* tag 'hwmon-for-linus-v4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: add driver for Microchip TC74
hwmon: (ntc_thermistor) Improve precision of resistance calculation
hwmon: (ntc_thermistor) fix iio raw to microvolts conversion
hwmon: (atxp1) Drop auto-detection
hwmon: (atxp1) Drop FSF mailing address
hwmon: Allow compile test of GPIO consumers if !GPIOLIB
hwmon: (sht15) Constify platform_device_id
hwmon: (max197) Constify platform_device_id
hwmon: (ntc_thermistor) Add support for ncpXXwf104
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Add hwmon driver for the Microchip TC74.
The TC74 is a single-input 8-bit I2C temperature sensor,
with +-2 degrees centigrade accuracy.
Signed-off-by: Maciej Szmigiero <mail@maciej.szmigiero.name>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The function get_ohm_of_thermistor has both the measured voltage and the
pullup voltage available in microvolts. But it was promptly converting
both to millivolts before using them to calculate the thermistor
resistance. That conversion unnecessarily hurt the precision of the
calculation.
For example, take the ncpXXwb473 connected to 5000 mV and pulled down
through a 47000 ohm resistor. At 25 C, the resistance of the thermistor
is 47000 ohms. The measured voltage will be 2500 mV. If we measure
instead 2501 mV, then the calculated resistance will be 46962 ohms --
a difference of 38 ohms. So the precision of the resistance estimate
could be increased by 38X by doing the calculations in microvolts.
Signed-off-by: Chris Lesiak <chris.lesiak@licor.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The function ntc_adc_iio_read was assuming both a 12 bit ADC and that
pullup_uv is the same as the ADC reference voltage. If either
assumption is false, then the result is incorrect.
Attempt to use iio_convert_raw_to_processed to convert the raw value to
microvolts. It will fail for iio channels that don't support support
IIO_CHAN_INFO_SCALE; in that case fall back to the assumptions.
Signed-off-by: Chris Lesiak <chris.lesiak@licor.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Conflicts:
arch/sparc/include/asm/topology_64.h
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Auto-detection for this chip is highly unreliable, and one of its
I2C addresses can also be used by EEPROMs, increasing the risk for
false positives even more. Drop auto-detection entirely to remove
the risk.
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The FSF mailing address may change and does not provide any real value.
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The GPIO subsystem provides dummy GPIO consumer functions if GPIOLIB is
not enabled. Hence drivers that depend on GPIOLIB, but use GPIO consumer
functionality only, can still be compiled if GPIOLIB is not enabled.
Relax the dependency on GPIOLIB if COMPILE_TEST is enabled, where
appropriate.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Jean Delvare <jdelvare@suse.de>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: lm-sensors@lm-sensors.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The platform_device_id is not modified by the driver and core uses it as
const.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The platform_device_id is not modified by the driver and core uses it as
const.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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This patch adds support for the ntc thermistor NCPXXWF104 series.
Cc: Jean Delvare <jdelvare@suse.de>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Beomho Seo <beomho.seo@samsung.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The following error message is seen when loading the nct6683 driver
with DEBUG_LOCK_ALLOC enabled.
BUG: key ffff88040b2f0030 not in .data!
------------[ cut here ]------------
WARNING: CPU: 0 PID: 186 at kernel/locking/lockdep.c:2988
lockdep_init_map+0x469/0x630()
DEBUG_LOCKS_WARN_ON(1)
Caused by a missing call to sysfs_attr_init() when initializing
sysfs attributes.
Reported-by: Alexey Orishko <alexey.orishko@gmail.com>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Cc: stable@vger.kernel.org # v3.18+
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The following error message is seen when loading the nct6775 driver
with DEBUG_LOCK_ALLOC enabled.
BUG: key ffff88040b2f0030 not in .data!
------------[ cut here ]------------
WARNING: CPU: 0 PID: 186 at kernel/locking/lockdep.c:2988
lockdep_init_map+0x469/0x630()
DEBUG_LOCKS_WARN_ON(1)
Caused by a missing call to sysfs_attr_init() when initializing
sysfs attributes.
Reported-by: Alexey Orishko <alexey.orishko@gmail.com>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Cc: stable@vger.kernel.org # v3.12+
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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I2C address 0x37 may be used by EEPROMs, which can result in false
positives. Do not attempt to detect a chip at this address.
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Cc: stable@vger.kernel.org # v4.0+
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The former duplicates the functionality of the latter but is
neither documented nor arch-independent.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Cc: Benoit Cousson <bcousson@baylibre.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Jean Delvare <jdelvare@suse.de>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Drokin <oleg.drokin@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Link: http://lkml.kernel.org/r/1432645896-12588-4-git-send-email-bgolaszewski@baylibre.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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When configured via device tree, the associated iio device needs to be
measuring voltage for the conversion to resistance to be correct.
Return -EINVAL if that is not the case.
Signed-off-by: Chris Lesiak <chris.lesiak@licor.com>
Cc: stable@vger.kernel.org # 3.10+
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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This patch splits CONFIG_I8K compile option to SENSORS_DELL_SMM and CONFIG_I8K.
Option SENSORS_DELL_SMM is now used to enable compilation of dell-smm-hwmon
driver and old CONFIG_I8K option to enable /proc/i8k interface in driver.
So this change allows to compile dell-smm-hwmon driver without legacy /proc/i8k
interface which is needed only for old Dell Inspirion models or for userspace
i8kutils package.
For backward compatibility when CONFIG_I8K is enabled then also SENSORS_DELL_SMM
is enabled and so driver dell-smm-hwmon (with /proc/i8k) is compiled.
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This commit moves i8k driver to hwmon tree under name dell-smm-hwmon which is
better name then abbreviation i8k. For backward compatibility is added macro
MODULE_ALIAS("i8k") so modprobe will load driver also old name i8k. CONFIG_I8K
compile option was not changed.
This commit also adds me as maintainer of this new dell-smm-hwmon driver and
remove Guenter Roeck from list who is implicit maintainer all hwmon drivers.
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Replace the loop iterating over pwm_freq_cksel0 with a call to
find_closest_descending().
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Replace RANGE_TO_REG() and FREQ_TO_REG() implementations with
calls to find_closest().
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Use find_closest() to locate the closest average in ina226_avg_tab.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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pwm_config() must be called with a duty cycle of 0 prior to calling
pwm_disable() to ensure that the pwm signal is set to low.
Reported-by: Markus Reichl <m.reichl@fivetechno.de>
Tested-by: Markus Reichl <m.reichl@fivetechno.de>
Reviewed-by: Lukasz Majewski <l.majewski@samsung.com>
Reviewed-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Signed-off-by: Anand Moon <linux.amoon@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Feature macros work on sio_data as well, so use them there.
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Fix
drivers/hwmon/ibmpowernv.c: In function 'get_logical_cpu':
drivers/hwmon/ibmpowernv.c:121:3:
error: implicit declaration of function 'get_hard_smp_processor_id'
seen for some configurations, possibly if SMP is not configured.
Fixes: 3df2f59f0aae ("hwmon: (ibmpowernv) pretty print labels")
Cc: Cédric Le Goater <clg@fr.ibm.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Thermal framework may already be ready and cooling policies might
already be functional when we are attempting to register gpio fan as
a cooling device. This can be reproduced by changing probe order in
which registration of various modules are done in a system. In such
a case, kernel generates an oops since the data structures are not
completely populated with the wrong assumption that thermal framework
is not yet ready. Fix this by reordering the thermal framework
registration to occur after hwmon registration of the fan is complete.
Example kernel oops:
[ 149.005828] Unable to handle kernel NULL pointer dereference at virtual address 0000008c
[ 149.014369] pgd = ecf48000
[ 149.017204] [0000008c] *pgd=ac065831, *pte=00000000, *ppte=00000000
[ 149.023820] Internal error: Oops: 17 [#1] SMP ARM
[ 149.028745] Modules linked in: gpio_fan(+) cpufreq_dt ipv6 evdev leds_gpio led_class omap_wdt phy_omap_usb2 rtc_palmas palmas_pwrbutton tmp102 ti_soc_thermal dwc3_omap thermal_sys extcon rtc_omap rtc_ds1307 hwmon
[ 149.048629] CPU: 1 PID: 1183 Comm: modprobe Not tainted 4.0.0-rc7-next-20150407-00002-g7a82da074c99 #3
[ 149.058383] Hardware name: Generic DRA74X (Flattened Device Tree)
[ 149.064763] task: edec1240 ti: ec0e0000 task.ti: ec0e0000
[ 149.070421] PC is at dev_driver_string+0x0/0x38
[ 149.075165] LR is at __dev_printk+0x24/0x70
[ 149.079540] pc : [<c03d6cd0>] lr : [<c03d72c4>] psr: 20000013
[ 149.079540] sp : ec0e1c28 ip : edec1240 fp : 00000000
[ 149.091568] r10: edf3eee0 r9 : 00000000 r8 : ffffffff
[ 149.097040] r7 : edf3eea0 r6 : 00000034 r5 : 00000010 r4 : ec0e1c44
[ 149.103871] r3 : ec0e1c4c r2 : ec0e1c44 r1 : c079d800 r0 : 00000010
[ 149.110709] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
[ 149.118182] Control: 10c5387d Table: acf4806a DAC: 00000015
[ 149.124198] Process modprobe (pid: 1183, stack limit = 0xec0e0218)
[ 149.130673] Stack: (0xec0e1c28 to 0xec0e2000)
[ 149.135235] 1c20: 60000013 c05e2ae0 00000000 edf3ec00 ec934a10 c03d73d4
...
[ 149.392230] 1fe0: befe1888 befe1878 00019418 b6ea08f0 80000010 00000003 00000000 00000000
[ 149.400798] [<c03d6cd0>] (dev_driver_string) from [<c03d72c4>] (__dev_printk+0x24/0x70)
[ 149.409193] [<c03d72c4>] (__dev_printk) from [<c03d73d4>] (dev_warn+0x34/0x48)
[ 149.416767] [<c03d73d4>] (dev_warn) from [<bf0f54fc>] (get_fan_speed_index+0x94/0xa4 [gpio_fan])
[ 149.425980] [<bf0f54fc>] (get_fan_speed_index [gpio_fan]) from [<bf0f5524>] (gpio_fan_get_cur_state+0x18/0x30 [gpio_fan])
[ 149.437476] [<bf0f5524>] (gpio_fan_get_cur_state [gpio_fan]) from [<bf02767c>] (thermal_zone_trip_update+0xe8/0x2a4 [thermal_sys])
[ 149.449794] [<bf02767c>] (thermal_zone_trip_update [thermal_sys]) from [<bf027844>] (step_wise_throttle+0xc/0x74 [thermal_sys])
[ 149.461832] [<bf027844>] (step_wise_throttle [thermal_sys]) from [<bf024ff4>] (handle_thermal_trip+0x5c/0x188 [thermal_sys])
[ 149.473603] [<bf024ff4>] (handle_thermal_trip [thermal_sys]) from [<bf0256c4>] (thermal_zone_device_update+0x94/0x108 [thermal_sys])
[ 149.486104] [<bf0256c4>] (thermal_zone_device_update [thermal_sys]) from [<bf026470>] (__thermal_cooling_device_register+0x2e8/0x374 [thermal_sys])
[ 149.499956] [<bf026470>] (__thermal_cooling_device_register [thermal_sys]) from [<bf0f58e4>] (gpio_fan_probe+0x350/0x4d0 [gpio_fan])
[ 149.512438] [<bf0f58e4>] (gpio_fan_probe [gpio_fan]) from [<c03db8a0>] (platform_drv_probe+0x48/0x98)
[ 149.522109] [<c03db8a0>] (platform_drv_probe) from [<c03da30c>] (driver_probe_device+0x1b0/0x26c)
[ 149.531399] [<c03da30c>] (driver_probe_device) from [<c03da45c>] (__driver_attach+0x94/0x98)
[ 149.540238] [<c03da45c>] (__driver_attach) from [<c03d8bb0>] (bus_for_each_dev+0x54/0x88)
[ 149.548814] [<c03d8bb0>] (bus_for_each_dev) from [<c03d9a34>] (bus_add_driver+0xdc/0x1d4)
[ 149.557381] [<c03d9a34>] (bus_add_driver) from [<c03dac30>] (driver_register+0x78/0xf4)
[ 149.565765] [<c03dac30>] (driver_register) from [<c0009784>] (do_one_initcall+0x80/0x1d8)
[ 149.574340] [<c0009784>] (do_one_initcall) from [<c00c2278>] (do_init_module+0x5c/0x1b8)
[ 149.582833] [<c00c2278>] (do_init_module) from [<c00c3bbc>] (load_module+0x1720/0x1dcc)
[ 149.591212] [<c00c3bbc>] (load_module) from [<c00c43d0>] (SyS_finit_module+0x68/0x6c)
[ 149.599418] [<c00c43d0>] (SyS_finit_module) from [<c000f3c0>] (ret_fast_syscall+0x0/0x4c)
[ 149.607994] Code: 15830000 e1a00006 e28dd008 e8bd8070 (e590307c)
Cc: Eduardo Valentin <edubezval@gmail.com>
Fixes: b5cf88e46bad ("(gpio-fan): Add thermal control hooks")
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The new OPAL device tree adds a few properties which can be used to add
extra information on the sensor label.
In the case of a cpu core sensor, the firmware exposes the physical
identifier of the core in the "ibm,pir" property. The driver
translates this identifier in a linux cpu number and prints out a
range corresponding to the hardware threads of the core (as they
share the same sensor).
The numbering gives a hint on the localization of the core in the
system (which socket, which chip).
Signed-off-by: Cédric Le Goater <clg@fr.ibm.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Currently, sensors are only identified by their type and index.
The new OPAL device tree can expose extra properties to identify
some sensors by their name or location. This patch adds the creation
of a new hwmon *_label attribute when such properties are detected.
Signed-off-by: Cédric Le Goater <clg@fr.ibm.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The new OPAL device tree for sensors has a different layout and uses new
property names, for the type and for the handler used to capture the
sensor data.
This patch modifies the ibmpowernv driver to support such a tree in a
way preserving compatibility with older OPAL firmwares.
This is achieved by changing the error path of the routine parsing
an OPAL node name. The node is simply considered being from the new
device tree layout and fallback values are used.
Signed-off-by: Cédric Le Goater <clg@fr.ibm.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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This should shorten a bit the code necessary to create a hmwon attribute.
Signed-off-by: Cédric Le Goater <clg@fr.ibm.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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IT8620E supports up to 6 fan tachometers.
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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IT8620E is mostly compatible to IT7828F. Add generic support for it.
IT8620E supports up to 6 fan tachometers and 6 pwm controls.
Support for the 6th tachometer and for the additional pwm controls
are addded in separate patches.
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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IT8790E is a super-IO chip with three fan tachometers. It is mostly
compatible to IT8728F, but only supports three fan tachometers
instead of five.
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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On some chips, in7 is always an internal voltage sensor. Introduce
feature flag to reflect this condition to simplify adding support
for new chips.
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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ITE chips may have 'E', 'F', or both 'E' and 'F' suffixes.
Introduce suffic configuration to the it87_devices structure
to simplify adding new chips.
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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On chips with newer PWM control, the PWM frequency divider is 256
instead of 128. Since the base PWM frequency remained the same, the actual
PWM frequency is half of what it used to be with the older PWM control
mechanism.
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Detection if a pwm channel is supported was wrong on removal,
causing the code to try removing non-existing sysfs attributes.
That didn't matter much because sysfs attribute removal of non-existing
files fails silently, and because the wrong evaluation always returned
false, but should nevertheless be fixed.
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The current OPAL firmware exposes the different sensors of an IBM Power
system using node names such as :
sensors/amb-temp#1-data
sensors/amb-temp#1-thrs
cooling-fan#1-data
cooling-fan#1-faulted
cooling-fan#1-thrs
cooling-fan#2-data
...
The ibmpowernv driver, when loaded, parses these names to extract the
sensor index and the sensor attribute name. Unfortunately, this scheme
makes it difficult to add sensors with a different layout (specially of
the same type, like temperature) as the sensor index calculated in OPAL
is directly used in the hwmon sysfs interface.
What this patch does is add a independent hwmon index for each sensor.
The increment of the hwmon index (temp, fan, power, etc.) is kept per
sensor type in the sensor_group table. The sensor_data table is used
to store the association of the hwmon and OPAL indexes, as we need to
have the same hwmon index for different attributes of a same sensor.
Signed-off-by: Cédric Le Goater <clg@fr.ibm.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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It simplifies the creation of the hwmon attributes and will help when
support for a new device tree layout is added. The patch also changes
the name of the routine to parse_opal_node_name().
Signed-off-by: Cédric Le Goater <clg@fr.ibm.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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It simplifies the create_hwmon_attr_name() routine and it clearly isolates
the conversion done between the OPAL node names and hwmon attributes names.
Signed-off-by: Cédric Le Goater <clg@fr.ibm.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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It will help in adding different compatible properties, coming from a
new device tree layout for example.
Signed-off-by: Cédric Le Goater <clg@fr.ibm.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Ambient is too restrictive as there can be other temperature channels :
core, memory, etc.
Signed-off-by: Cédric Le Goater <clg@fr.ibm.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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of_device_id is always used as const.
(See driver.of_match_table and open firmware functions)
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Auxiliary fan monitoring is not enabled on ASRock Z77 Pro4-M
with BIOS version 2.00 if booted in UEFI Ultra-FastBoot mode.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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After a suspend/resume cycle it is not guaranteed that the hardware monitoring
device is still enabled. Ensure that this is the case after resume.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Get rid of #ifdef CONFIG_PM by using SIMPLE_DEV_PM_OPS and declaring suspend
and resume functions with __maybe_unused.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Fix build error when CONFIG_THERMAL=m and SENSORS_GPIO_FAN=y
by preventing that combination.
Fixes these build errors:
drivers/built-in.o: In function `gpio_fan_remove':
gpio-fan.c:(.text+0x21e97e): undefined reference to `thermal_cooling_device_unregister'
drivers/built-in.o: In function `gpio_fan_probe':
gpio-fan.c:(.text+0x21efbc): undefined reference to `thermal_cooling_device_register'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jean Delvare <jdelvare@suse.de>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: lm-sensors@lm-sensors.org
Cc: Simon Guinot <sguinot@lacie.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Fix build errors when CONFIG_THERMAL=m and SENSORS_PWM_FAN=y
by restricting SENSORS_PWM_FAN to 'm' when THERMAL=m.
drivers/built-in.o: In function `pwm_fan_remove':
pwm-fan.c:(.text+0x22ba58): undefined reference to `thermal_cooling_device_unregister'
drivers/built-in.o: In function `pwm_fan_probe':
pwm-fan.c:(.text+0x22bebb): undefined reference to `thermal_of_cooling_device_register'
pwm-fan.c:(.text+0x22bf11): undefined reference to `thermal_cdev_update'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Address the following sparse warnings.
drivers/hwmon/pwm-fan.c:176:5: warning:
symbol 'pwm_fan_of_get_cooling_data' was not declared. Should it be static?
drivers/hwmon/pwm-fan.c:176:5: warning:
no previous prototype for 'pwm_fan_of_get_cooling_data'
pwm_fan_of_get_cooling_data is only used in the pwm-fan driver and thus should
be declared static.
Cc: Lukasz Majewski <l.majewski@samsung.com>
Acked-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Allow gpio-fan to be used as thermal cooling device for platforms that
use GPIO maps to control fans.
As part of this change, we make the shutdown and remove logic the same
as well.
Signed-off-by: Nishanth Menon <nm@ti.com>
Acked-by: Eduardo Valentin <edubezval@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Linus Torvalds
Maciej S. Szmigiero
Chris Lesiak
Ingo Molnar
Guenter Roeck
Geert Uytterhoeven
Krzysztof Kozlowski
Beomho Seo
Bartosz Golaszewski
Pali Rohár
Anand Moon
Nishanth Menon
Cédric Le Goater
Fabian Frederick
Randy Dunlap