PM / OPP: Move the OPP directory out of power/

The drivers/base/power/ directory is special and contains code related
to power management core like system suspend/resume, hibernation, etc.
It was fine to keep the OPP code inside it when we had just one file for
it, but it is growing now and already has a directory for itself.

Lets move it directly under drivers/ directory, just like cpufreq and
cpuidle.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

MAINTAINERS

@@ -10043,7 +10043,7 @@ M:	Stephen Boyd <sboyd@codeaurora.org>
 L:	linux-pm@vger.kernel.org
 S:	Maintained
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm.git
-F:	drivers/base/power/opp/
+F:	drivers/opp/
 F:	include/linux/pm_opp.h
 F:	Documentation/power/opp.txt
 F:	Documentation/devicetree/bindings/opp/

drivers/Kconfig

@@ -208,4 +208,6 @@ source "drivers/tee/Kconfig"
 
 source "drivers/mux/Kconfig"
 
+source "drivers/opp/Kconfig"
+
 endmenu

drivers/Makefile

@@ -125,6 +125,7 @@ obj-$(CONFIG_ACCESSIBILITY)	+= accessibility/
 obj-$(CONFIG_ISDN)		+= isdn/
 obj-$(CONFIG_EDAC)		+= edac/
 obj-$(CONFIG_EISA)		+= eisa/
+obj-$(CONFIG_PM_OPP)		+= opp/
 obj-$(CONFIG_CPU_FREQ)		+= cpufreq/
 obj-$(CONFIG_CPU_IDLE)		+= cpuidle/
 obj-y				+= mmc/

drivers/base/power/Makefile

 obj-$(CONFIG_PM)	+= sysfs.o generic_ops.o common.o qos.o runtime.o wakeirq.o
 obj-$(CONFIG_PM_SLEEP)	+= main.o wakeup.o
 obj-$(CONFIG_PM_TRACE_RTC)	+= trace.o
-obj-$(CONFIG_PM_OPP)	+= opp/
 obj-$(CONFIG_PM_GENERIC_DOMAINS)	+=  domain.o domain_governor.o
 obj-$(CONFIG_HAVE_CLK)	+= clock_ops.o
 

drivers/opp/Kconfig

+config PM_OPP
+	bool
+	select SRCU
+	---help---
+	  SOCs have a standard set of tuples consisting of frequency and
+	  voltage pairs that the device will support per voltage domain. This
+	  is called Operating Performance Point or OPP. The actual definitions
+	  of OPP varies over silicon within the same family of devices.
+
+	  OPP layer organizes the data internally using device pointers
+	  representing individual voltage domains and provides SOC
+	  implementations a ready to use framework to manage OPPs.
+	  For more information, read <file:Documentation/power/opp.txt>

kernel/power/Kconfig

@@ -259,20 +259,6 @@ config APM_EMULATION
 	  anything, try disabling/enabling this option (or disabling/enabling
 	  APM in your BIOS).
 
-config PM_OPP
-	bool
-	select SRCU
-	---help---
-	  SOCs have a standard set of tuples consisting of frequency and
-	  voltage pairs that the device will support per voltage domain. This
-	  is called Operating Performance Point or OPP. The actual definitions
-	  of OPP varies over silicon within the same family of devices.
-
-	  OPP layer organizes the data internally using device pointers
-	  representing individual voltage domains and provides SOC
-	  implementations a ready to use framework to manage OPPs.
-	  For more information, read <file:Documentation/power/opp.txt>
-
 config PM_CLK
 	def_bool y
 	depends on PM && HAVE_CLK