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2017-10-29hwmon: (gpio-fan) Use local variable pointersLinus Walleij1-7/+9
Create local struct device *dev and device_node *np pointers to make the code easier to read. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2017-10-29hwmon: (gpio-fan) Move DT bindings to the right placeLinus Walleij1-0/+0
This moves the GPIO fan bindings to the hwmon bindings. The GPIO fan is a hwmon class hardware, not related to GPIO other than being a consumer of GPIOs. Cc: devicetree@vger.kernel.org Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2017-10-29Documentation: devicetree: add max6621 deviceVadim Pasternak1-0/+1
Add device record for Maxim MAX6621 temperature sensor device. Signed-off-by: Vadim Pasternak <vadimp@mellanox.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2017-10-29hwmon: (max6621) Add support for Maxim MAX6621 temperature sensorVadim Pasternak3-0/+608
MAX6621 is a PECI-to-I2C translator provides an efficient, low-cost solution for PECI-to-SMBus/I2C protocol conversion. It allows reading the temperature from the PECI-compliant host directly from up to four PECI-enabled CPUs. Signed-off-by: Vadim Pasternak <vadimp@mellanox.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2017-10-29hwmon: (w83793) make const array watchdog_minors static, reduces object code sizeColin Ian King1-1/+3
Don't populate const array watchdog_minors on the stack, instead make it static. Makes the object code smaller by over 350 bytes: Before: text data bss dec hex filename 48019 38144 256 86419 15193 drivers/hwmon/w83793.o After: text data bss dec hex filename 47574 38232 256 86062 1502e drivers/hwmon/w83793.o (gcc 6.3.0, x86-64) Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2017-10-29hwmon: (aspeed-pwm-tacho) increase fan tach periodPatrick Venture1-1/+1
The previous value reduced the time required to determine the fan value, however, it's also used as the final timeout mechanism. The prevous value would work for any fan speed greater than around 3k RPM. This increased value, lets the fan speeds return quickly but will wait longer to handle speeds below 3k RPM. Testing: this value was determined through experimentation on the ast2400 on the Quanta-q71l. This configurations runs 8 fans attached to the controller. Signed-off-by: Patrick Venture <venture@google.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2017-10-29hwmon: (max1619) Add dt bindingAlan Tull1-0/+10
Add new device tree binding for max1619. Signed-off-by: Alan Tull <atull@kernel.org> Cc: Jean Delvare <jdelvare@suse.com> Cc: Guenter Roeck <linux@roeck-us.net> Cc: Rob Herring <robh+dt@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>