hwmon: IBM power meter driver

Add a driver to export IBM PowerExecutive power meter sensors.
Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>

drivers/hwmon/Kconfig

@@ -295,6 +295,19 @@ config SENSORS_CORETEMP
 	  sensor inside your CPU. Supported all are all known variants
 	  of Intel Core family.
 
+config SENSORS_IBMPEX
+	tristate "IBM PowerExecutive temperature/power sensors"
+	select IPMI_SI
+	depends on IPMI_HANDLER
+	help
+	  If you say yes here you get support for the temperature and
+	  power sensors in various IBM System X servers that support
+	  PowerExecutive.  So far this includes the x3550, x3650, x3655,
+	  x3755, and certain HS20 blades.
+
+	  This driver can also be built as a module.  If so, the module
+	  will be called ibmpex.
+
 config SENSORS_IT87
 	tristate "ITE IT87xx and compatibles"
 	select HWMON_VID

drivers/hwmon/Makefile

@@ -37,6 +37,7 @@ obj-$(CONFIG_SENSORS_FSCPOS)	+= fscpos.o
 obj-$(CONFIG_SENSORS_GL518SM)	+= gl518sm.o
 obj-$(CONFIG_SENSORS_GL520SM)	+= gl520sm.o
 obj-$(CONFIG_SENSORS_HDAPS)	+= hdaps.o
+obj-$(CONFIG_SENSORS_IBMPEX)	+= ibmpex.o
 obj-$(CONFIG_SENSORS_IT87)	+= it87.o
 obj-$(CONFIG_SENSORS_K8TEMP)	+= k8temp.o
 obj-$(CONFIG_SENSORS_LM63)	+= lm63.o