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@xxxxxxxxxx>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
---
drivers/usb/gadget/Kconfig | 25 +++++++++++++++++++++++++
drivers/usb/gadget/Makefile | 2 ++
drivers/usb/gadget/acm_ms.c | 1 -
drivers/usb/gadget/audio.c | 1 -
drivers/usb/gadget/cdc2.c | 1 -
drivers/usb/gadget/ether.c | 1 -
drivers/usb/gadget/file_storage.c | 1 -
drivers/usb/gadget/g_ffs.c | 1 -
drivers/usb/gadget/gmidi.c | 1 -
drivers/usb/gadget/hid.c | 1 -
drivers/usb/gadget/mass_storage.c | 1 -
drivers/usb/gadget/multi.c | 1 -
drivers/usb/gadget/ncm.c | 1 -
drivers/usb/gadget/nokia.c | 1 -
drivers/usb/gadget/printer.c | 1 -
drivers/usb/gadget/serial.c | 1 -
drivers/usb/gadget/tcm_usb_gadget.c | 1 -
drivers/usb/gadget/usbstring.c | 4 +++-
drivers/usb/gadget/webcam.c | 1 -
drivers/usb/gadget/zero.c | 1 -
20 files changed, 30 insertions(+), 18 deletions(-)
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 @@ 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.
diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile
index d84f923..eadbc86 100644
--- a/drivers/usb/gadget/Makefile
+++ b/drivers/usb/gadget/Makefile
@@ -4,6 +4,8 @@
ccflags-$(CONFIG_USB_GADGET_DEBUG) := -DDEBUG
obj-$(CONFIG_USB_GADGET) += udc-core.o
+obj-$(CONFIG_USB_LIBCOMPOSITE) += libcomposite.o
+libcomposite-y := usbstring.o
obj-$(CONFIG_USB_DUMMY_HCD) += dummy_hcd.o
obj-$(CONFIG_USB_NET2272) += net2272.o
obj-$(CONFIG_USB_NET2280) += net2280.o
diff --git a/drivers/usb/gadget/acm_ms.c b/drivers/usb/gadget/acm_ms.c
index 65a2f3c..9820960 100644
--- a/drivers/usb/gadget/acm_ms.c
+++ b/drivers/usb/gadget/acm_ms.c
@@ -42,7 +42,6 @@
*/
#include "composite.c"
-#include "usbstring.c"
#include "config.c"
#include "epautoconf.c"
#include "u_serial.c"
diff --git a/drivers/usb/gadget/audio.c b/drivers/usb/gadget/audio.c
index dd339bc..76e54b4 100644
--- a/drivers/usb/gadget/audio.c
+++ b/drivers/usb/gadget/audio.c
@@ -27,7 +27,6 @@
* a "gcc --combine ... part1.c part2.c part3.c ... " build would.
*/
#include "composite.c"
-#include "usbstring.c"
#include "config.c"
#include "epautoconf.c"
diff --git a/drivers/usb/gadget/cdc2.c b/drivers/usb/gadget/cdc2.c
index b7d984b..74a9c7f 100644
--- a/drivers/usb/gadget/cdc2.c
+++ b/drivers/usb/gadget/cdc2.c
@@ -44,7 +44,6 @@
*/
#include "composite.c"
-#include "usbstring.c"
#include "config.c"
#include "epautoconf.c"
#include "u_serial.c"
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index 4580ec0..e16094e 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -103,7 +103,6 @@ static inline bool has_rndis(void)
* a "gcc --combine ... part1.c part2.c part3.c ... " build would.
*/
#include "composite.c"
-#include "usbstring.c"
#include "config.c"
#include "epautoconf.c"
diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c
index cdacae7..8d0166b 100644
--- a/drivers/usb/gadget/file_storage.c
+++ b/drivers/usb/gadget/file_storage.c
@@ -265,7 +265,6 @@
* the runtime footprint, and giving us at least some parts of what
* a "gcc --combine ... part1.c part2.c part3.c ... " build would.
*/
-#include "usbstring.c"
#include "config.c"
#include "epautoconf.c"
diff --git a/drivers/usb/gadget/g_ffs.c b/drivers/usb/gadget/g_ffs.c
index da9809f..407b5cc 100644
--- a/drivers/usb/gadget/g_ffs.c
+++ b/drivers/usb/gadget/g_ffs.c
@@ -24,7 +24,6 @@
*/
#include "composite.c"
-#include "usbstring.c"
#include "config.c"
#include "epautoconf.c"
diff --git a/drivers/usb/gadget/gmidi.c b/drivers/usb/gadget/gmidi.c
index 1e3cd37..135b390 100644
--- a/drivers/usb/gadget/gmidi.c
+++ b/drivers/usb/gadget/gmidi.c
@@ -38,7 +38,6 @@
#include "gadget_chips.h"
#include "composite.c"
-#include "usbstring.c"
#include "config.c"
#include "epautoconf.c"
#include "f_midi.c"
diff --git a/drivers/usb/gadget/hid.c b/drivers/usb/gadget/hid.c
index 8502e56..effda2e 100644
--- a/drivers/usb/gadget/hid.c
+++ b/drivers/usb/gadget/hid.c
@@ -35,7 +35,6 @@
*/
#include "composite.c"
-#include "usbstring.c"
#include "config.c"
#include "epautoconf.c"
diff --git a/drivers/usb/gadget/mass_storage.c b/drivers/usb/gadget/mass_storage.c
index 480edbc..a7f32c3 100644
--- a/drivers/usb/gadget/mass_storage.c
+++ b/drivers/usb/gadget/mass_storage.c
@@ -49,7 +49,6 @@
*/
#include "composite.c"
-#include "usbstring.c"
#include "config.c"
#include "epautoconf.c"
#include "f_mass_storage.c"
diff --git a/drivers/usb/gadget/multi.c b/drivers/usb/gadget/multi.c
index 13db7cc..71c1fab 100644
--- a/drivers/usb/gadget/multi.c
+++ b/drivers/usb/gadget/multi.c
@@ -44,7 +44,6 @@ MODULE_LICENSE("GPL");
*/
#include "composite.c"
-#include "usbstring.c"
#include "config.c"
#include "epautoconf.c"
diff --git a/drivers/usb/gadget/ncm.c b/drivers/usb/gadget/ncm.c
index 9a20057..d7e6b1e 100644
--- a/drivers/usb/gadget/ncm.c
+++ b/drivers/usb/gadget/ncm.c
@@ -37,7 +37,6 @@
* a "gcc --combine ... part1.c part2.c part3.c ... " build would.
*/
#include "composite.c"
-#include "usbstring.c"
#include "config.c"
#include "epautoconf.c"
diff --git a/drivers/usb/gadget/nokia.c b/drivers/usb/gadget/nokia.c
index a5b5e71..474c77c 100644
--- a/drivers/usb/gadget/nokia.c
+++ b/drivers/usb/gadget/nokia.c
@@ -39,7 +39,6 @@
* a "gcc --combine ... part1.c part2.c part3.c ... " build would.
*/
#include "composite.c"
-#include "usbstring.c"
#include "config.c"
#include "epautoconf.c"
diff --git a/drivers/usb/gadget/printer.c b/drivers/usb/gadget/printer.c
index 33c0c07..c55e7d9 100644
--- a/drivers/usb/gadget/printer.c
+++ b/drivers/usb/gadget/printer.c
@@ -52,7 +52,6 @@
* a "gcc --combine ... part1.c part2.c part3.c ... " build would.
*/
#include "composite.c"
-#include "usbstring.c"
#include "config.c"
#include "epautoconf.c"
diff --git a/drivers/usb/gadget/serial.c b/drivers/usb/gadget/serial.c
index ea3f8e9..88baa9e 100644
--- a/drivers/usb/gadget/serial.c
+++ b/drivers/usb/gadget/serial.c
@@ -38,7 +38,6 @@
* a "gcc --combine ... part1.c part2.c part3.c ... " build would.
*/
#include "composite.c"
-#include "usbstring.c"
#include "config.c"
#include "epautoconf.c"
diff --git a/drivers/usb/gadget/tcm_usb_gadget.c b/drivers/usb/gadget/tcm_usb_gadget.c
index 35ca09a..327af68 100644
--- a/drivers/usb/gadget/tcm_usb_gadget.c
+++ b/drivers/usb/gadget/tcm_usb_gadget.c
@@ -25,7 +25,6 @@
#include <target/configfs_macros.h>
#include <asm/unaligned.h>
-#include "usbstring.c"
#include "epautoconf.c"
#include "config.c"
#include "composite.c"
diff --git a/drivers/usb/gadget/usbstring.c b/drivers/usb/gadget/usbstring.c
index 4d25b90..24e9bbd 100644
--- a/drivers/usb/gadget/usbstring.c
+++ b/drivers/usb/gadget/usbstring.c
@@ -9,6 +9,7 @@
#include <linux/errno.h>
#include <linux/kernel.h>
+#include <linux/module.h>
#include <linux/list.h>
#include <linux/string.h>
#include <linux/device.h>
@@ -68,4 +69,5 @@ usb_gadget_get_string (struct usb_gadget_strings *table, int id, u8 *buf)
buf [1] = USB_DT_STRING;
return buf [0];
}
-
+EXPORT_SYMBOL_GPL(usb_gadget_get_string);
+MODULE_LICENSE("GPL");
diff --git a/drivers/usb/gadget/webcam.c b/drivers/usb/gadget/webcam.c
index 2a617c3..dc8fd5c 100644
--- a/drivers/usb/gadget/webcam.c
+++ b/drivers/usb/gadget/webcam.c
@@ -24,7 +24,6 @@
* a "gcc --combine ... part1.c part2.c part3.c ... " build would.
*/
#include "composite.c"
-#include "usbstring.c"
#include "config.c"
#include "epautoconf.c"
diff --git a/drivers/usb/gadget/zero.c b/drivers/usb/gadget/zero.c
index 90df613..4469be8 100644
--- a/drivers/usb/gadget/zero.c
+++ b/drivers/usb/gadget/zero.c
@@ -59,7 +59,6 @@
* a "gcc --combine ... part1.c part2.c part3.c ... " build would.
*/
#include "composite.c"
-#include "usbstring.c"
#include "config.c"
#include "epautoconf.c"
--
1.7.10.4
--
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