sh: pfc: Shuffle PFC support core.

This follows the intc/clk changes and shuffles the PFC support code under
its own directory. This will facilitate better code sharing, and allow us
to trim down the exported interface by quite a margin.

Signed-off-by: Paul Mundt <[e-mail]>

drivers/sh/Kconfig

···
 menu "SuperH / SH-Mobile Driver Options"
 
 source "drivers/sh/intc/Kconfig"
-
-comment "Pin function controller options"
-
-config SH_PFC
-	# XXX move off the gpio dependency
-	depends on GENERIC_GPIO
-	select GPIO_SH_PFC if ARCH_REQUIRE_GPIOLIB
-	def_bool y
-
-config GPIO_SH_PFC
-	tristate "SuperH PFC GPIO support"
-	depends on SH_PFC && GPIOLIB
-	help
-	  This enables support for GPIOs within the SoC's pin function
-	  controller.
+source "drivers/sh/pfc/Kconfig"
 
 endmenu

drivers/sh/Makefile

···
 
 obj-$(CONFIG_HAVE_CLK)		+= clk/
 obj-$(CONFIG_MAPLE)		+= maple/
+obj-$(CONFIG_SH_PFC)		+= pfc/
 obj-$(CONFIG_SUPERHYWAY)	+= superhyway/
-obj-$(CONFIG_SH_PFC)		+= pfc.o
-obj-$(CONFIG_GPIO_SH_PFC)	+= pfc-gpio.o
+
 obj-y				+= pm_runtime.o

drivers/sh/pfc/Kconfig

···
+comment "Pin function controller options"
+
+config SH_PFC
+	# XXX move off the gpio dependency
+	depends on GENERIC_GPIO
+	select GPIO_SH_PFC if ARCH_REQUIRE_GPIOLIB
+	def_bool y
+
+config GPIO_SH_PFC
+	tristate "SuperH PFC GPIO support"
+	depends on SH_PFC && GPIOLIB
+	help
+	  This enables support for GPIOs within the SoC's pin function
+	  controller.

drivers/sh/pfc/Makefile

···
+obj-y				+= core.o
+obj-$(CONFIG_GPIO_SH_PFC)	+= gpio.o

include/linux/sh_pfc.h

···
 /* XXX compat for now */
 #define pinmux_info sh_pfc
 
-/* drivers/sh/pfc-gpio.c */
+/* drivers/sh/pfc/gpio.c */
 int sh_pfc_register_gpiochip(struct sh_pfc *pfc);
 
-/* drivers/sh/pfc.c */
+/* drivers/sh/pfc/core.c */
 int register_sh_pfc(struct sh_pfc *pfc);
 
 int sh_pfc_read_bit(struct pinmux_data_reg *dr, unsigned long in_pos);