USB: Serial: usb-serial: remove debug module parameter

Now that all usb-serial modules are only using dev_dbg()
the debug module parameter does not do anything at all, so
remove it to reduce any confusion if someone were to try
to use it.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

4 files changed, 7 insertions, 18 deletions

diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c
index 335f98d092cc..6ea18a1ea1a7 100644
--- a/drivers/usb/serial/console.c
+++ b/drivers/usb/serial/console.c
@@ -22,8 +22,6 @@
 #include <linux/usb.h>
 #include <linux/usb/serial.h>
 
-static int debug;
-
 struct usbcons_info {
 	int			magic;
 	int			break_flag;
@@ -283,10 +281,8 @@ void usb_serial_console_disconnect(struct usb_serial *serial)
 	}
 }
 
-void usb_serial_console_init(int serial_debug, int minor)
+void usb_serial_console_init(int minor)
 {
-	debug = serial_debug;
-
 	if (minor == 0) {
 		/*
 		 * Call register_console() if this is the first device plugged
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index 47e228030922..296612153ea2 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -24,8 +24,6 @@
 #include <linux/kfifo.h>
 #include <linux/serial.h>
 
-static int debug;
-
 #ifdef CONFIG_USB_SERIAL_GENERIC
 
 static __u16 vendor  = 0x05f9;
@@ -60,11 +58,10 @@ static struct usb_serial_driver * const serial_drivers[] = {
 
 #endif
 
-int usb_serial_generic_register(int _debug)
+int usb_serial_generic_register(void)
 {
 	int retval = 0;
 
-	debug = _debug;
 #ifdef CONFIG_USB_SERIAL_GENERIC
 	generic_device_ids[0].idVendor = vendor;
 	generic_device_ids[0].idProduct = product;
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 8a9352b2c26f..001185dd127c 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -52,7 +52,6 @@
    drivers depend on it.
 */
 
-static bool debug;
 /* initially all NULL */
 static struct usb_serial *serial_table[SERIAL_TTY_MINORS];
 static DEFINE_MUTEX(table_lock);
@@ -1074,7 +1073,7 @@ static int usb_serial_probe(struct usb_interface *interface,
 
 	serial->disconnected = 0;
 
-	usb_serial_console_init(debug, minor);
+	usb_serial_console_init(minor);
 exit:
 	module_put(type->driver.owner);
 	return 0;
@@ -1259,7 +1258,7 @@ static int __init usb_serial_init(void)
 	}
 
 	/* register the generic driver, if we should */
-	result = usb_serial_generic_register(debug);
+	result = usb_serial_generic_register();
 	if (result < 0) {
 		pr_err("%s - registering generic driver failed\n", __func__);
 		goto exit_generic;
@@ -1464,6 +1463,3 @@ EXPORT_SYMBOL_GPL(usb_serial_deregister_drivers);
 MODULE_AUTHOR(DRIVER_AUTHOR);
 MODULE_DESCRIPTION(DRIVER_DESC);
 MODULE_LICENSE("GPL");
-
-module_param(debug, bool, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(debug, "Debug enabled or not");
diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h
index b2b6d159b26b..5808713aa492 100644
--- a/include/linux/usb/serial.h
+++ b/include/linux/usb/serial.h
@@ -307,11 +307,11 @@ extern int ezusb_set_reset(struct usb_device *dev, unsigned char reset_bit);
 
 /* USB Serial console functions */
 #ifdef CONFIG_USB_SERIAL_CONSOLE
-extern void usb_serial_console_init(int debug, int minor);
+extern void usb_serial_console_init(int minor);
 extern void usb_serial_console_exit(void);
 extern void usb_serial_console_disconnect(struct usb_serial *serial);
 #else
-static inline void usb_serial_console_init(int debug, int minor) { }
+static inline void usb_serial_console_init(int minor) { }
 static inline void usb_serial_console_exit(void) { }
 static inline void usb_serial_console_disconnect(struct usb_serial *serial) {}
 #endif
@@ -333,7 +333,7 @@ extern void usb_serial_generic_throttle(struct tty_struct *tty);
 extern void usb_serial_generic_unthrottle(struct tty_struct *tty);
 extern void usb_serial_generic_disconnect(struct usb_serial *serial);
 extern void usb_serial_generic_release(struct usb_serial *serial);
-extern int usb_serial_generic_register(int debug);
+extern int usb_serial_generic_register(void);
 extern void usb_serial_generic_deregister(void);
 extern int usb_serial_generic_submit_read_urbs(struct usb_serial_port *port,
 						 gfp_t mem_flags);