Merge tag 'v2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[mv-sheeva.git] / drivers / usb / gadget / g_ffs.c

diff --git a/drivers/usb/gadget/g_ffs.c b/drivers/usb/gadget/g_ffs.c
index af75e3620849661f297f1cbd6059bbc82bdac043..ebf6970a10bfab256aee796cf052edd15b2b73a1 100644 (file)
--- 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])