diff options
Diffstat (limited to 'drivers/usb/gadget/g_ffs.c')
| -rw-r--r-- | drivers/usb/gadget/g_ffs.c | 41 |
1 files changed, 24 insertions, 17 deletions
diff --git a/drivers/usb/gadget/g_ffs.c b/drivers/usb/gadget/g_ffs.c index af75e3620849..ebf6970a10bf 100644 --- a/drivers/usb/gadget/g_ffs.c +++ b/drivers/usb/gadget/g_ffs.c @@ -1,7 +1,29 @@ +/* + * g_ffs.c -- user mode file system API for USB composite function controllers + * + * Copyright (C) 2010 Samsung Electronics + * Author: Michal Nazarewicz <m.nazarewicz@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#define pr_fmt(fmt) "g_ffs: " fmt + #include <linux/module.h> #include <linux/utsname.h> - /* * kbuild is not very cooperative with respect to linking separately * compiled library objects into one module. So for now we won't use @@ -43,7 +65,6 @@ static int eth_bind_config(struct usb_configuration *c, u8 ethaddr[ETH_ALEN]); #include "f_fs.c" - #define DRIVER_NAME "g_ffs" #define DRIVER_DESC "USB Function Filesystem" #define DRIVER_VERSION "24 Aug 2004" @@ -73,8 +94,6 @@ MODULE_PARM_DESC(bDeviceSubClass, "USB Device subclass"); module_param_named(bDeviceProtocol, gfs_dev_desc.bDeviceProtocol, byte, 0644); MODULE_PARM_DESC(bDeviceProtocol, "USB Device protocol"); - - static const struct usb_descriptor_header *gfs_otg_desc[] = { (const struct usb_descriptor_header *) &(const struct usb_otg_descriptor) { @@ -91,8 +110,7 @@ static const struct usb_descriptor_header *gfs_otg_desc[] = { NULL }; -/* string IDs are assigned dynamically */ - +/* String IDs are assigned dynamically */ static struct usb_string gfs_strings[] = { #ifdef CONFIG_USB_FUNCTIONFS_RNDIS { .s = "FunctionFS + RNDIS" }, @@ -114,8 +132,6 @@ static struct usb_gadget_strings *gfs_dev_strings[] = { NULL, }; - - struct gfs_configuration { struct usb_configuration c; int (*eth)(struct usb_configuration *c, u8 *ethaddr); @@ -138,7 +154,6 @@ struct gfs_configuration { #endif }; - static int gfs_bind(struct usb_composite_dev *cdev); static int gfs_unbind(struct usb_composite_dev *cdev); static int gfs_do_config(struct usb_configuration *c); @@ -151,11 +166,9 @@ static struct usb_composite_driver gfs_driver = { .iProduct = DRIVER_DESC, }; - static struct ffs_data *gfs_ffs_data; static unsigned long gfs_registered; - static int gfs_init(void) { ENTER(); @@ -175,7 +188,6 @@ static void gfs_exit(void) } module_exit(gfs_exit); - static int functionfs_ready_callback(struct ffs_data *ffs) { int ret; @@ -200,14 +212,11 @@ static void functionfs_closed_callback(struct ffs_data *ffs) usb_composite_unregister(&gfs_driver); } - static int functionfs_check_dev_callback(const char *dev_name) { return 0; } - - static int gfs_bind(struct usb_composite_dev *cdev) { int ret, i; @@ -274,7 +283,6 @@ static int gfs_unbind(struct usb_composite_dev *cdev) return 0; } - static int gfs_do_config(struct usb_configuration *c) { struct gfs_configuration *gc = @@ -315,7 +323,6 @@ static int gfs_do_config(struct usb_configuration *c) return 0; } - #ifdef CONFIG_USB_FUNCTIONFS_ETH static int eth_bind_config(struct usb_configuration *c, u8 ethaddr[ETH_ALEN]) |