thermal: add the support for building the generic thermal as a module
Build the generic thermal driver as module "thermal_sys".
Make ACPI thermal, video, processor and fan SELECT the generic
thermal driver, as these drivers rely on it to build the sysfs I/F.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/thermal/Makefile b/drivers/thermal/Makefile
index 8ef1232d..02b64517 100644
--- a/drivers/thermal/Makefile
+++ b/drivers/thermal/Makefile
@@ -2,4 +2,5 @@
# Makefile for sensor chip drivers.
#
-obj-$(CONFIG_THERMAL) += thermal.o
+thermal_sys-objs += thermal.o
+obj-$(CONFIG_THERMAL) += thermal_sys.o
