Fix inaccuracy and inefficiency when calculating fan RPM in the pwm-fan driver. These changes can also be pulled from: https://gitlab.com/pbarker.dev/staging/linux.git tag: for-hwmon/pwm-fan-fix-rpm-v3_2020-11-10 Changes from v2: * Handle the case where delta=0 to avoid potential divide-by-zero exceptions. * Store a device pointer in pwm_fan_ctx so we can print an error message. Paul Barker (2): hwmon: pwm-fan: Store device pointer in pwm_fan_ctx hwmon: pwm-fan: Fix RPM calculation drivers/hwmon/pwm-fan.c | 19 +++++++++++++------ 1 file changed, 13 insertions(+), 6 deletions(-) base-commit: f8394f232b1eab649ce2df5c5f15b0e528c92091 -- 2.29.2
