usb: gadget: libcomposite: move composite.c into libcomposite

This moves composite.c into libcomposite and updates all gadgets.
Finally!

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

drivers/usb/gadget/Makefile

@@ -5,7 +5,8 @@ ccflags-$(CONFIG_USB_GADGET_DEBUG) := -DDEBUG
 
 obj-$(CONFIG_USB_GADGET)	+= udc-core.o
 obj-$(CONFIG_USB_LIBCOMPOSITE)	+= libcomposite.o
-libcomposite-y			:= usbstring.o config.o epautoconf.o gadget_chips.o
+libcomposite-y			:= usbstring.o config.o epautoconf.o
+libcomposite-y			+= gadget_chips.o composite.o
 obj-$(CONFIG_USB_DUMMY_HCD)	+= dummy_hcd.o
 obj-$(CONFIG_USB_NET2272)	+= net2272.o
 obj-$(CONFIG_USB_NET2280)	+= net2280.o

drivers/usb/gadget/acm_ms.c

@@ -15,6 +15,7 @@
  */
 
 #include <linux/kernel.h>
+#include <linux/module.h>
 
 #include "u_serial.h"
 
@@ -40,7 +41,6 @@
  * a "gcc --combine ... part1.c part2.c part3.c ... " build would.
  */
 
-#include "composite.c"
 #include "u_serial.c"
 #include "f_acm.c"
 #include "f_mass_storage.c"

drivers/usb/gadget/audio.c

@@ -12,22 +12,13 @@
 /* #define VERBOSE_DEBUG */
 
 #include <linux/kernel.h>
+#include <linux/module.h>
 #include <linux/usb/composite.h>
 
 #include "gadget_chips.h"
 #define DRIVER_DESC		"Linux USB Audio Gadget"
 #define DRIVER_VERSION		"Feb 2, 2012"
 
-/*-------------------------------------------------------------------------*/
-
-/*
- * Kbuild is not very cooperative with respect to linking separately
- * compiled library objects into one module.  So for now we won't use
- * separate compilation ... ensuring init/exit sections work to shrink
- * the runtime footprint, and giving us at least some parts of what
- * a "gcc --combine ... part1.c part2.c part3.c ... " build would.
- */
-#include "composite.c"
 USB_GADGET_COMPOSITE_OPTIONS();
 
 /* string IDs are assigned dynamically */

drivers/usb/gadget/cdc2.c

@@ -43,7 +43,6 @@ USB_GADGET_COMPOSITE_OPTIONS();
  * a "gcc --combine ... part1.c part2.c part3.c ... " build would.
  */
 
-#include "composite.c"
 #include "u_serial.c"
 #include "f_acm.c"
 #include "f_ecm.c"

drivers/usb/gadget/composite.c

@@ -154,6 +154,7 @@ ep_found:
 	}
 	return 0;
 }
+EXPORT_SYMBOL_GPL(config_ep_by_speed);
 
 /**
  * usb_add_function() - add a function to a configuration
@@ -212,6 +213,7 @@ done:
 				function->name, function, value);
 	return value;
 }
+EXPORT_SYMBOL_GPL(usb_add_function);
 
 /**
  * usb_function_deactivate - prevent function and gadget enumeration
@@ -248,6 +250,7 @@ int usb_function_deactivate(struct usb_function *function)
 	spin_unlock_irqrestore(&cdev->lock, flags);
 	return status;
 }
+EXPORT_SYMBOL_GPL(usb_function_deactivate);
 
 /**
  * usb_function_activate - allow function and gadget enumeration
@@ -278,6 +281,7 @@ int usb_function_activate(struct usb_function *function)
 	spin_unlock_irqrestore(&cdev->lock, flags);
 	return status;
 }
+EXPORT_SYMBOL_GPL(usb_function_activate);
 
 /**
  * usb_interface_id() - allocate an unused interface ID
@@ -314,6 +318,7 @@ int usb_interface_id(struct usb_configuration *config,
 	}
 	return -ENODEV;
 }
+EXPORT_SYMBOL_GPL(usb_interface_id);
 
 static int config_buf(struct usb_configuration *config,
 		enum usb_device_speed speed, void *buf, u8 type)
@@ -754,6 +759,7 @@ done:
 				config->bConfigurationValue, status);
 	return status;
 }
+EXPORT_SYMBOL_GPL(usb_add_config);
 
 static void remove_config(struct usb_composite_dev *cdev,
 			      struct usb_configuration *config)
@@ -947,6 +953,7 @@ int usb_string_id(struct usb_composite_dev *cdev)
 	}
 	return -ENODEV;
 }
+EXPORT_SYMBOL_GPL(usb_string_id);
 
 /**
  * usb_string_ids() - allocate unused string IDs in batch
@@ -978,6 +985,7 @@ int usb_string_ids_tab(struct usb_composite_dev *cdev, struct usb_string *str)
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(usb_string_ids_tab);
 
 /**
  * usb_string_ids_n() - allocate unused string IDs in batch
@@ -1006,7 +1014,7 @@ int usb_string_ids_n(struct usb_composite_dev *c, unsigned n)
 	c->next_string_id += n;
 	return next + 1;
 }
-
+EXPORT_SYMBOL_GPL(usb_string_ids_n);
 
 /*-------------------------------------------------------------------------*/
 
@@ -1572,6 +1580,7 @@ int usb_composite_probe(struct usb_composite_driver *driver)
 
 	return usb_gadget_probe_driver(gadget_driver);
 }
+EXPORT_SYMBOL_GPL(usb_composite_probe);
 
 /**
  * usb_composite_unregister() - unregister a composite driver
@@ -1584,6 +1593,7 @@ void usb_composite_unregister(struct usb_composite_driver *driver)
 {
 	usb_gadget_unregister_driver(&driver->gadget_driver);
 }
+EXPORT_SYMBOL_GPL(usb_composite_unregister);
 
 /**
  * usb_composite_setup_continue() - Continue with the control transfer
@@ -1620,6 +1630,7 @@ void usb_composite_setup_continue(struct usb_composite_dev *cdev)
 
 	spin_unlock_irqrestore(&cdev->lock, flags);
 }
+EXPORT_SYMBOL_GPL(usb_composite_setup_continue);
 
 static char *composite_default_mfr(struct usb_gadget *gadget)
 {
@@ -1672,3 +1683,4 @@ void usb_composite_overwrite_options(struct usb_composite_dev *cdev,
 		dev_str[USB_GADGET_PRODUCT_IDX].s = covr->product;
 	}
 }
+EXPORT_SYMBOL_GPL(usb_composite_overwrite_options);

drivers/usb/gadget/ether.c

@@ -100,8 +100,6 @@ static inline bool has_rndis(void)
  * the runtime footprint, and giving us at least some parts of what
  * a "gcc --combine ... part1.c part2.c part3.c ... " build would.
  */
-#include "composite.c"
-
 #include "f_ecm.c"
 #include "f_subset.c"
 #ifdef	USB_ETH_RNDIS

drivers/usb/gadget/f_hid.c

@@ -17,6 +17,7 @@
 #include <linux/poll.h>
 #include <linux/uaccess.h>
 #include <linux/wait.h>
+#include <linux/sched.h>
 #include <linux/usb/g_hid.h>
 
 static int major, minors;

drivers/usb/gadget/g_ffs.c

@@ -21,9 +21,6 @@
  * the runtime footprint, and giving us at least some parts of what
  * a "gcc --combine ... part1.c part2.c part3.c ... " build would.
  */
-
-#include "composite.c"
-
 #if defined CONFIG_USB_FUNCTIONFS_ETH || defined CONFIG_USB_FUNCTIONFS_RNDIS
 #  if defined USB_ETH_RNDIS
 #    undef USB_ETH_RNDIS

drivers/usb/gadget/gmidi.c

@@ -30,13 +30,13 @@
 #include <sound/rawmidi.h>
 
 #include <linux/usb/ch9.h>
+#include <linux/usb/composite.h>
 #include <linux/usb/gadget.h>
 #include <linux/usb/audio.h>
 #include <linux/usb/midi.h>
 
 #include "gadget_chips.h"
 
-#include "composite.c"
 #include "f_midi.c"
 
 /*-------------------------------------------------------------------------*/

drivers/usb/gadget/hid.c

@@ -15,6 +15,8 @@
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
 #include <linux/list.h>
+#include <linux/module.h>
+#include <linux/usb/composite.h>
 
 #include "gadget_chips.h"
 #define DRIVER_DESC		"HID Gadget"
@@ -34,9 +36,6 @@
  * the runtime footprint, and giving us at least some parts of what
  * a "gcc --combine ... part1.c part2.c part3.c ... " build would.
  */
-
-#include "composite.c"
-
 #include "f_hid.c"
 
 

drivers/usb/gadget/mass_storage.c

@@ -30,6 +30,7 @@
 
 #include <linux/kernel.h>
 #include <linux/usb/ch9.h>
+#include <linux/module.h>
 
 /*-------------------------------------------------------------------------*/
 
@@ -45,8 +46,6 @@
  * the runtime footprint, and giving us at least some parts of what
  * a "gcc --combine ... part1.c part2.c part3.c ... " build would.
  */
-
-#include "composite.c"
 #include "f_mass_storage.c"
 
 /*-------------------------------------------------------------------------*/

drivers/usb/gadget/multi.c

@@ -40,9 +40,6 @@ MODULE_LICENSE("GPL");
  * the runtime footprint, and giving us at least some parts of what
  * a "gcc --combine ... part1.c part2.c part3.c ... " build would.
  */
-
-#include "composite.c"
-
 #include "f_mass_storage.c"
 
 #include "u_serial.c"

drivers/usb/gadget/ncm.c

@@ -20,6 +20,8 @@
 /* #define VERBOSE_DEBUG */
 
 #include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/usb/composite.h>
 
 #include "u_ether.h"
 
@@ -34,8 +36,6 @@
  * the runtime footprint, and giving us at least some parts of what
  * a "gcc --combine ... part1.c part2.c part3.c ... " build would.
  */
-#include "composite.c"
-
 #include "f_ncm.c"
 #include "u_ether.c"
 

drivers/usb/gadget/nokia.c

@@ -37,8 +37,6 @@
  * the runtime footprint, and giving us at least some parts of what
  * a "gcc --combine ... part1.c part2.c part3.c ... " build would.
  */
-#include "composite.c"
-
 #include "u_serial.c"
 #include "f_acm.c"
 #include "f_ecm.c"

drivers/usb/gadget/printer.c

@@ -37,22 +37,12 @@
 #include <asm/unaligned.h>
 
 #include <linux/usb/ch9.h>
+#include <linux/usb/composite.h>
 #include <linux/usb/gadget.h>
 #include <linux/usb/g_printer.h>
 
 #include "gadget_chips.h"
 
-
-/*
- * Kbuild is not very cooperative with respect to linking separately
- * compiled library objects into one module.  So for now we won't use
- * separate compilation ... ensuring init/exit sections work to shrink
- * the runtime footprint, and giving us at least some parts of what
- * a "gcc --combine ... part1.c part2.c part3.c ... " build would.
- */
-#include "composite.c"
-
-/*-------------------------------------------------------------------------*/
 USB_GADGET_COMPOSITE_OPTIONS();
 
 #define DRIVER_DESC		"Printer Gadget"

drivers/usb/gadget/serial.c

@@ -36,8 +36,6 @@
  * the runtime footprint, and giving us at least some parts of what
  * a "gcc --combine ... part1.c part2.c part3.c ... " build would.
  */
-#include "composite.c"
-
 #include "f_acm.c"
 #include "f_obex.c"
 #include "f_serial.c"

drivers/usb/gadget/tcm_usb_gadget.c

@@ -25,8 +25,6 @@
 #include <target/configfs_macros.h>
 #include <asm/unaligned.h>
 
-#include "composite.c"
-
 #include "tcm_usb_gadget.h"
 
 USB_GADGET_COMPOSITE_OPTIONS();

drivers/usb/gadget/webcam.c

@@ -23,8 +23,6 @@
  * the runtime footprint, and giving us at least some parts of what
  * a "gcc --combine ... part1.c part2.c part3.c ... " build would.
  */
-#include "composite.c"
-
 #include "uvc_queue.c"
 #include "uvc_video.c"
 #include "uvc_v4l2.c"

drivers/usb/gadget/zero.c

@@ -57,8 +57,6 @@
  * the runtime footprint, and giving us at least some parts of what
  * a "gcc --combine ... part1.c part2.c part3.c ... " build would.
  */
-#include "composite.c"
-
 #include "f_sourcesink.c"
 #include "f_loopback.c"