hwmon: (pwm-fan) Fix build when THERMAL=m

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 <[email protected]>
Cc: Kamil Debski <[email protected]>
Signed-off-by: Guenter Roeck <[email protected]>
This commit is contained in:
Randy Dunlap 2015-03-05 15:27:34 -08:00 • committed by Guenter Roeck
commit 18fd303fea

View file

@ -1174,6 +1174,7 @@ source drivers/hwmon/pmbus/Kconfig
config SENSORS_PWM_FAN
tristate "PWM fan"
depends on (PWM && OF) || COMPILE_TEST
depends on THERMAL || THERMAL=n
help
If you say yes here you get support for fans connected to PWM lines.
The driver uses the generic PWM interface, thus it will work on a