regulator: hi6421v600-regulator: move it from staging

This driver is ready for mainstream. Move it out of staging.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Acked-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/815b79a4e93f133478d9a5b2dd429526dcfe1dde.1616695231.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/regulator/Kconfig

@@ -422,6 +422,15 @@ config REGULATOR_HI655X
 	  This driver provides support for the voltage regulators of the
 	  Hisilicon Hi655x PMIC device.
 
+config REGULATOR_HI6421V600
+	tristate "HiSilicon Hi6421v600 PMIC voltage regulator support"
+	depends on MFD_HI6421_SPMI && OF
+	select REGMAP
+	help
+	  This driver provides support for the voltage regulators on
+	  HiSilicon Hi6421v600 PMU / Codec IC.
+	  This is used on Kirin 3670 boards, like HiKey 970.
+
 config REGULATOR_ISL9305
 	tristate "Intersil ISL9305 regulator"
 	depends on I2C

drivers/regulator/Makefile

@@ -49,6 +49,7 @@ obj-$(CONFIG_REGULATOR_FAN53880) += fan53880.o
 obj-$(CONFIG_REGULATOR_GPIO) += gpio-regulator.o
 obj-$(CONFIG_REGULATOR_HI6421) += hi6421-regulator.o
 obj-$(CONFIG_REGULATOR_HI6421V530) += hi6421v530-regulator.o
+obj-$(CONFIG_REGULATOR_HI6421V600) += hi6421v600-regulator.o
 obj-$(CONFIG_REGULATOR_HI655X) += hi655x-regulator.o
 obj-$(CONFIG_REGULATOR_ISL6271A) += isl6271a-regulator.o
 obj-$(CONFIG_REGULATOR_ISL9305) += isl9305.o

drivers/staging/hikey9xx/Kconfig

@@ -39,14 +39,3 @@ config MFD_HI6421_SPMI
 	  individual components like voltage regulators under corresponding
 	  menus in order to enable them.
 	  We communicate with the Hi6421v600 via a SPMI bus.
-
-# to be placed at drivers/regulator
-config REGULATOR_HI6421V600
-	tristate "HiSilicon Hi6421v600 PMIC voltage regulator support"
-	depends on MFD_HI6421_SPMI && OF
-	depends on REGULATOR
-	select REGMAP
-	help
-	  This driver provides support for the voltage regulators on
-	  HiSilicon Hi6421v600 PMU / Codec IC.
-	  This is used on Kirin 3670 boards, like HiKey 970.

drivers/staging/hikey9xx/Makefile

@@ -4,4 +4,3 @@ obj-$(CONFIG_PHY_HI3670_USB)		+= phy-hi3670-usb3.o
 
 obj-$(CONFIG_SPMI_HISI3670)		+= hisi-spmi-controller.o
 obj-$(CONFIG_MFD_HI6421_SPMI)		+= hi6421-spmi-pmic.o
-obj-$(CONFIG_REGULATOR_HI6421V600)	+= hi6421v600-regulator.o