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>
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index 75b76d5..a53be32 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -494,6 +494,12 @@
#
# 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 @@
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_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 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_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_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_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_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_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_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_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_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_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_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_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_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 @@
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_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 @@
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.