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2020-01-23hwmon: (k10temp) Don't show temperature limits on Ryzen (Zen) CPUsGuenter Roeck1-1/+1
The maximum Tdie or Tctl is not published for Ryzen CPUs. What is known, however, is that the traditional value of 70 degrees C is no longer correct. On top of that, the limit applies to Tctl, not to Tdie. Displaying it in either context is meaningless, confusing, and wrong. Stop doing it. Tested-by: Brad Campbell <lists2009@fnarfbargle.com> Tested-by: Holger Kiehl <holger.kiehl@dwd.de> Tested-by: Michael Larabel <michael@phoronix.com> Tested-by: Jonathan McDowell <noodles@earth.li> Tested-by: Ken Moffat <zarniwhoop73@googlemail.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2020-01-23hwmon: (k10temp) Show core and SoC current and voltages on Ryzen CPUsGuenter Roeck1-3/+131
Ryzen CPUs report core and SoC voltages and currents. Add support for it to the k10temp driver. For the time being, only report voltages and currents for Ryzen CPUs. Threadripper and EPYC appear to use a different mechanism. Tested-by: Brad Campbell <lists2009@fnarfbargle.com> Tested-by: Bernhard Gebetsberger <bernhard.gebetsberger@gmx.at> Tested-by: Holger Kiehl <holger.kiehl@dwd.de> Tested-by: Michael Larabel <michael@phoronix.com> Tested-by: Jonathan McDowell <noodles@earth.li> Tested-by: Ken Moffat <zarniwhoop73@googlemail.com> Tested-by: Darren Salt <devspam@moreofthesa.me.uk> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2020-01-23hwmon: (k10temp) Report temperatures per CPU dieGuenter Roeck1-1/+79
Zen2 reports reporting temperatures per CPU die (called Core Complex Dies, or CCD, by AMD). Add support for it to the k10temp driver. Tested-by: Brad Campbell <lists2009@fnarfbargle.com> Tested-by: Bernhard Gebetsberger <bernhard.gebetsberger@gmx.at> Tested-by: Holger Kiehl <holger.kiehl@dwd.de> Tested-by: Michael Larabel <michael@phoronix.com> Tested-by: Jonathan McDowell <noodles@earth.li> Tested-by: Ken Moffat <zarniwhoop73@googlemail.com> Tested-by: Darren Salt <devspam@moreofthesa.me.uk> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2020-01-23hmon: (k10temp) Convert to use devm_hwmon_device_register_with_infoGuenter Roeck1-101/+112
Convert driver to use devm_hwmon_device_register_with_info to simplify the code and to reduce its size. Old size (x86_64): text data bss dec hex filename 8247 4488 64 12799 31ff drivers/hwmon/k10temp.o New size: text data bss dec hex filename 6778 2792 64 9634 25a2 drivers/hwmon/k10temp.o Tested-by: Brad Campbell <lists2009@fnarfbargle.com> Tested-by: Bernhard Gebetsberger <bernhard.gebetsberger@gmx.at> Tested-by: Holger Kiehl <holger.kiehl@dwd.de> Tested-by: Michael Larabel <michael@phoronix.com> Tested-by: Jonathan McDowell <noodles@earth.li> Tested-by: Ken Moffat <zarniwhoop73@googlemail.com> Tested-by: Darren Salt <devspam@moreofthesa.me.uk> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2020-01-23hwmon: (k10temp) Use bitopsGuenter Roeck1-6/+10
Using bitops makes bit masks and shifts easier to read. Tested-by: Brad Campbell <lists2009@fnarfbargle.com> Tested-by: Bernhard Gebetsberger <bernhard.gebetsberger@gmx.at> Tested-by: Holger Kiehl <holger.kiehl@dwd.de> Tested-by: Michael Larabel <michael@phoronix.com> Tested-by: Jonathan McDowell <noodles@earth.li> Tested-by: Ken Moffat <zarniwhoop73@googlemail.com> Tested-by: Darren Salt <devspam@moreofthesa.me.uk> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2020-01-23hwmon: (pwm-fan) stop fan on shutdownAkinobu Mita1-2/+13
The pwm-fan driver stops the fan in suspend but leaves the fan on in shutdown. It seems strange to leave the fan on in shutdown because there is no use case in my mind and the gpio-fan driver on the other hand stops in shutdown. This change turns off the fan in shutdown. If anyone complains then we'll add an optional property to switch the behavior. Cc: Rob Herring <robh+dt@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Kamil Debski <kamil@wypas.org> Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Cc: Guenter Roeck <linux@roeck-us.net> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Link: https://lore.kernel.org/r/1579534344-11694-1-git-send-email-akinobu.mita@gmail.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2020-01-23MAINTAINERS: add entry for ADM1177 driverBeniamin Bia1-0/+9
Add Beniamin Bia and Michael Hennerich as a maintainer for ADM1177 ADC. Signed-off-by: Beniamin Bia <beniamin.bia@analog.com> Link: https://lore.kernel.org/r/20200114112159.25998-3-beniamin.bia@analog.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>