linux/drivers/usb/serial/moto_modem.c
Németh Márton 7d40d7e85a USB serial: make USB device id constant
The id_table field of the struct usb_device_id is constant in <linux/usb.h>
so it is worth to make the initialization data also constant.

The semantic match that finds this kind of pattern is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@r@
disable decl_init,const_decl_init;
identifier I1, I2, x;
@@
	struct I1 {
	  ...
	  const struct I2 *x;
	  ...
	};
@s@
identifier r.I1, y;
identifier r.x, E;
@@
	struct I1 y = {
	  .x = E,
	};
@c@
identifier r.I2;
identifier s.E;
@@
	const struct I2 E[] = ... ;
@depends on !c@
identifier r.I2;
identifier s.E;
@@
+	const
	struct I2 E[] = ...;
// </smpl>

Signed-off-by: Németh Márton <nm127@freemail.hu>
Cc: Julia Lawall <julia@diku.dk>
Cc: cocci@diku.dk
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-03-02 14:54:16 -08:00

72 lines
1.8 KiB
C

/*
* Motorola USB Phone driver
*
* Copyright (C) 2008 Greg Kroah-Hartman <greg@kroah.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* {sigh}
* Motorola should be using the CDC ACM USB spec, but instead
* they try to just "do their own thing"... This driver should handle a
* few phones in which a basic "dumb serial connection" is needed to be
* able to get a connection through to them.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/tty.h>
#include <linux/module.h>
#include <linux/usb.h>
#include <linux/usb/serial.h>
static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x05c6, 0x3197) }, /* unknown Motorola phone */
{ USB_DEVICE(0x0c44, 0x0022) }, /* unknown Mororola phone */
{ USB_DEVICE(0x22b8, 0x2a64) }, /* Motorola KRZR K1m */
{ USB_DEVICE(0x22b8, 0x2c64) }, /* Motorola V950 phone */
{ },
};
MODULE_DEVICE_TABLE(usb, id_table);
static struct usb_driver moto_driver = {
.name = "moto-modem",
.probe = usb_serial_probe,
.disconnect = usb_serial_disconnect,
.id_table = id_table,
.no_dynamic_id = 1,
};
static struct usb_serial_driver moto_device = {
.driver = {
.owner = THIS_MODULE,
.name = "moto-modem",
},
.id_table = id_table,
.num_ports = 1,
};
static int __init moto_init(void)
{
int retval;
retval = usb_serial_register(&moto_device);
if (retval)
return retval;
retval = usb_register(&moto_driver);
if (retval)
usb_serial_deregister(&moto_device);
return retval;
}
static void __exit moto_exit(void)
{
usb_deregister(&moto_driver);
usb_serial_deregister(&moto_device);
}
module_init(moto_init);
module_exit(moto_exit);
MODULE_LICENSE("GPL");