drivers: most: add character device interface driver

This patch adds the character device (cdev) driver source file
most_cdev.c and modifies the Makefiles and Kconfigs accordingly.
Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Link: https://lore.kernel.org/r/1597922595-27493-1-git-send-email-christian.gromm@microchip.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/most/Kconfig

@@ -23,4 +23,13 @@ config MOST_USB_HDM
 
 	  To compile this driver as a module, choose M here: the
 	  module will be called most_usb.
+
+config MOST_CDEV
+	tristate "Cdev"
+
+	help
+	  Say Y here if you want to commumicate via character devices.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called most_cdev.
 endif

drivers/most/Makefile

@@ -4,3 +4,4 @@ most_core-y :=	core.o \
 		configfs.o
 
 obj-$(CONFIG_MOST_USB_HDM) += most_usb.o
+obj-$(CONFIG_MOST_CDEV) += most_cdev.o

drivers/staging/most/Kconfig

@@ -18,8 +18,6 @@ menuconfig MOST_COMPONENTS
 
 if MOST_COMPONENTS
 
-source "drivers/staging/most/cdev/Kconfig"
-
 source "drivers/staging/most/net/Kconfig"
 
 source "drivers/staging/most/sound/Kconfig"

drivers/staging/most/Makefile

 # SPDX-License-Identifier: GPL-2.0
 
-obj-$(CONFIG_MOST_CDEV)	+= cdev/
 obj-$(CONFIG_MOST_NET)	+= net/
 obj-$(CONFIG_MOST_SOUND)	+= sound/
 obj-$(CONFIG_MOST_VIDEO)	+= video/

drivers/staging/most/cdev/Kconfig

-# SPDX-License-Identifier: GPL-2.0
-#
-# MOST Cdev configuration
-#
-
-config MOST_CDEV
-	tristate "Cdev"
-
-	help
-	  Say Y here if you want to commumicate via character devices.
-
-	  To compile this driver as a module, choose M here: the
-	  module will be called most_cdev.

drivers/staging/most/cdev/Makefile

-# SPDX-License-Identifier: GPL-2.0
-obj-$(CONFIG_MOST_CDEV) += most_cdev.o
-
-most_cdev-objs := cdev.o