usb: gadget: start with libcomposite

This patch aims to be simple. It removes #include usbstribgs.c line from each
gadget and creates libcomposite.ko which has only one member, that is
usbstribgs.c.

Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>

1 files changed, 25 insertions, 0 deletions

diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index 75b76d5a0fe..a53be32c22c 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -494,6 +494,12 @@ endmenu
 #
 # USB Gadget Drivers
 #
+
+# composite based drivers
+config USB_LIBCOMPOSITE
+	tristate
+	depends on USB_GADGET
+
 choice
 	tristate "USB Gadget Drivers"
 	default USB_ETH
@@ -517,6 +523,7 @@ choice
 
 config USB_ZERO
 	tristate "Gadget Zero (DEVELOPMENT)"
+	select USB_LIBCOMPOSITE
 	help
 	  Gadget Zero is a two-configuration device.  It either sinks and
 	  sources bulk data; or it loops back a configurable number of
@@ -552,6 +559,7 @@ config USB_ZERO_HNPTEST
 config USB_AUDIO
 	tristate "Audio Gadget (EXPERIMENTAL)"
 	depends on SND
+	select USB_LIBCOMPOSITE
 	select SND_PCM
 	help
 	  This Gadget Audio driver is compatible with USB Audio Class
@@ -580,6 +588,7 @@ config GADGET_UAC1
 config USB_ETH
 	tristate "Ethernet Gadget (with CDC Ethernet support)"
 	depends on NET
+	select USB_LIBCOMPOSITE
 	select CRC32
 	help
 	  This driver implements Ethernet style communication, in one of
@@ -615,6 +624,7 @@ config USB_ETH
 config USB_ETH_RNDIS
 	bool "RNDIS support"
 	depends on USB_ETH
+	select USB_LIBCOMPOSITE
 	default y
 	help
 	   Microsoft Windows XP bundles the "Remote NDIS" (RNDIS) protocol,
@@ -633,6 +643,7 @@ config USB_ETH_RNDIS
 config USB_ETH_EEM
        bool "Ethernet Emulation Model (EEM) support"
        depends on USB_ETH
+	select USB_LIBCOMPOSITE
        default n
        help
          CDC EEM is a newer USB standard that is somewhat simpler than CDC ECM
@@ -649,6 +660,7 @@ config USB_ETH_EEM
 config USB_G_NCM
 	tristate "Network Control Model (NCM) support"
 	depends on NET
+	select USB_LIBCOMPOSITE
 	select CRC32
 	help
 	  This driver implements USB CDC NCM subclass standard. NCM is
@@ -678,6 +690,7 @@ config USB_GADGETFS
 config USB_FUNCTIONFS
 	tristate "Function Filesystem (EXPERIMENTAL)"
 	depends on EXPERIMENTAL
+	select USB_LIBCOMPOSITE
 	select USB_FUNCTIONFS_GENERIC if !(USB_FUNCTIONFS_ETH || USB_FUNCTIONFS_RNDIS)
 	help
 	  The Function Filesystem (FunctionFS) lets one create USB
@@ -741,6 +754,7 @@ config USB_FILE_STORAGE_TEST
 config USB_MASS_STORAGE
 	tristate "Mass Storage Gadget"
 	depends on BLOCK
+	select USB_LIBCOMPOSITE
 	help
 	  The Mass Storage Gadget acts as a USB Mass Storage disk drive.
 	  As its storage repository it can use a regular file or a block
@@ -756,6 +770,7 @@ config USB_MASS_STORAGE
 config USB_GADGET_TARGET
 	tristate "USB Gadget Target Fabric Module"
 	depends on TARGET_CORE
+	select USB_LIBCOMPOSITE
 	help
 	  This fabric is an USB gadget. Two USB protocols are supported that is
 	  BBB or BOT (Bulk Only Transport) and UAS (USB Attached SCSI). BOT is
@@ -765,6 +780,7 @@ config USB_GADGET_TARGET
 
 config USB_G_SERIAL
 	tristate "Serial Gadget (with CDC ACM and CDC OBEX support)"
+	select USB_LIBCOMPOSITE
 	help
 	  The Serial Gadget talks to the Linux-USB generic serial driver.
 	  This driver supports a CDC-ACM module option, which can be used
@@ -785,6 +801,7 @@ config USB_G_SERIAL
 config USB_MIDI_GADGET
 	tristate "MIDI Gadget (EXPERIMENTAL)"
 	depends on SND && EXPERIMENTAL
+	select USB_LIBCOMPOSITE
 	select SND_RAWMIDI
 	help
 	  The MIDI Gadget acts as a USB Audio device, with one MIDI
@@ -798,6 +815,7 @@ config USB_MIDI_GADGET
 
 config USB_G_PRINTER
 	tristate "Printer Gadget"
+	select USB_LIBCOMPOSITE
 	help
 	  The Printer Gadget channels data between the USB host and a
 	  userspace program driving the print engine. The user space
@@ -814,6 +832,7 @@ config USB_G_PRINTER
 config USB_CDC_COMPOSITE
 	tristate "CDC Composite Device (Ethernet and ACM)"
 	depends on NET
+	select USB_LIBCOMPOSITE
 	help
 	  This driver provides two functions in one configuration:
 	  a CDC Ethernet (ECM) link, and a CDC ACM (serial port) link.
@@ -828,6 +847,7 @@ config USB_CDC_COMPOSITE
 config USB_G_NOKIA
 	tristate "Nokia composite gadget"
 	depends on PHONET
+	select USB_LIBCOMPOSITE
 	help
 	  The Nokia composite gadget provides support for acm, obex
 	  and phonet in only one composite gadget driver.
@@ -838,6 +858,7 @@ config USB_G_NOKIA
 config USB_G_ACM_MS
 	tristate "CDC Composite Device (ACM and mass storage)"
 	depends on BLOCK
+	select USB_LIBCOMPOSITE
 	help
 	  This driver provides two functions in one configuration:
 	  a mass storage, and a CDC ACM (serial port) link.
@@ -849,6 +870,7 @@ config USB_G_MULTI
 	tristate "Multifunction Composite Gadget (EXPERIMENTAL)"
 	depends on BLOCK && NET
 	select USB_G_MULTI_CDC if !USB_G_MULTI_RNDIS
+	select USB_LIBCOMPOSITE
 	help
 	  The Multifunction Composite Gadget provides Ethernet (RNDIS
 	  and/or CDC Ethernet), mass storage and ACM serial link
@@ -889,6 +911,7 @@ config USB_G_MULTI_CDC
 
 config USB_G_HID
 	tristate "HID Gadget"
+	select USB_LIBCOMPOSITE
 	help
 	  The HID gadget driver provides generic emulation of USB
 	  Human Interface Devices (HID).
@@ -899,8 +922,10 @@ config USB_G_HID
 	  Say "y" to link the driver statically, or "m" to build a
 	  dynamically linked module called "g_hid".
 
+# Standalone / single function gadgets
 config USB_G_DBGP
 	tristate "EHCI Debug Device Gadget"
+	select USB_LIBCOMPOSITE
 	help
 	  This gadget emulates an EHCI Debug device. This is useful when you want
 	  to interact with an EHCI Debug Port.