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Commit | Line | Data |
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1da177e4 | 1 | /* |
a969888c | 2 | * USB Serial Converter stuff |
1da177e4 | 3 | * |
7186364e | 4 | * Copyright (C) 1999 - 2012 |
1da177e4 LT |
5 | * Greg Kroah-Hartman (greg@kroah.com) |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
a969888c | 9 | * the Free Software Foundation; version 2 of the License. |
1da177e4 | 10 | * |
1da177e4 LT |
11 | */ |
12 | ||
1da177e4 LT |
13 | #ifndef __LINUX_USB_SERIAL_H |
14 | #define __LINUX_USB_SERIAL_H | |
15 | ||
1da177e4 | 16 | #include <linux/kref.h> |
1ce7dd26 | 17 | #include <linux/mutex.h> |
980373b7 | 18 | #include <linux/serial.h> |
98fcb5f7 | 19 | #include <linux/sysrq.h> |
119eecc8 | 20 | #include <linux/kfifo.h> |
1da177e4 LT |
21 | |
22 | #define SERIAL_TTY_MAJOR 188 /* Nice legal number now */ | |
0282b7f2 AS |
23 | #define SERIAL_TTY_MINORS 254 /* loads of devices :) */ |
24 | #define SERIAL_TTY_NO_MINOR 255 /* No minor was assigned */ | |
1da177e4 | 25 | |
41dceed5 GKH |
26 | /* The maximum number of ports one device can grab at once */ |
27 | #define MAX_NUM_PORTS 8 | |
1da177e4 LT |
28 | |
29 | /* parity check flag */ | |
30 | #define RELEVANT_IFLAG(iflag) (iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK)) | |
31 | ||
27c7acf2 JH |
32 | /* USB serial flags */ |
33 | #define USB_SERIAL_WRITE_BUSY 0 | |
34 | ||
1da177e4 LT |
35 | /** |
36 | * usb_serial_port: structure for the specific ports of a device. | |
37 | * @serial: pointer back to the struct usb_serial owner of this port. | |
78c5b82e | 38 | * @port: pointer to the corresponding tty_port for this port. |
507ca9bc | 39 | * @lock: spinlock to grab when updating portions of this structure. |
1da177e4 LT |
40 | * @number: the number of the port (the minor number). |
41 | * @interrupt_in_buffer: pointer to the interrupt in buffer for this port. | |
42 | * @interrupt_in_urb: pointer to the interrupt in struct urb for this port. | |
43 | * @interrupt_in_endpointAddress: endpoint address for the interrupt in pipe | |
44 | * for this port. | |
45 | * @interrupt_out_buffer: pointer to the interrupt out buffer for this port. | |
46 | * @interrupt_out_size: the size of the interrupt_out_buffer, in bytes. | |
47 | * @interrupt_out_urb: pointer to the interrupt out struct urb for this port. | |
48 | * @interrupt_out_endpointAddress: endpoint address for the interrupt out pipe | |
0858a3a5 | 49 | * for this port. |
1da177e4 | 50 | * @bulk_in_buffer: pointer to the bulk in buffer for this port. |
78c5b82e | 51 | * @bulk_in_size: the size of the bulk_in_buffer, in bytes. |
1da177e4 LT |
52 | * @read_urb: pointer to the bulk in struct urb for this port. |
53 | * @bulk_in_endpointAddress: endpoint address for the bulk in pipe for this | |
54 | * port. | |
d83b4053 JH |
55 | * @bulk_in_buffers: pointers to the bulk in buffers for this port |
56 | * @read_urbs: pointers to the bulk in urbs for this port | |
57 | * @read_urbs_free: status bitmap the for bulk in urbs | |
1da177e4 LT |
58 | * @bulk_out_buffer: pointer to the bulk out buffer for this port. |
59 | * @bulk_out_size: the size of the bulk_out_buffer, in bytes. | |
60 | * @write_urb: pointer to the bulk out struct urb for this port. | |
8e8dce06 | 61 | * @write_fifo: kfifo used to buffer outgoing data |
27c7acf2 JH |
62 | * @bulk_out_buffers: pointers to the bulk out buffers for this port |
63 | * @write_urbs: pointers to the bulk out urbs for this port | |
64 | * @write_urbs_free: status bitmap the for bulk out urbs | |
980373b7 | 65 | * @icount: interrupt counters |
25d514ca | 66 | * @tx_bytes: number of bytes currently in host stack queues |
1da177e4 LT |
67 | * @bulk_out_endpointAddress: endpoint address for the bulk out pipe for this |
68 | * port. | |
27c7acf2 | 69 | * @flags: usb serial port flags |
1da177e4 LT |
70 | * @write_wait: a wait_queue_head_t used by the port. |
71 | * @work: work queue entry for the line discipline waking up. | |
253ca923 JR |
72 | * @throttled: nonzero if the read urb is inactive to throttle the device |
73 | * @throttle_req: nonzero if the tty wants to throttle us | |
78c5b82e | 74 | * @dev: pointer to the serial device |
1da177e4 LT |
75 | * |
76 | * This structure is used by the usb-serial core and drivers for the specific | |
77 | * ports of a device. | |
78 | */ | |
79 | struct usb_serial_port { | |
41dceed5 | 80 | struct usb_serial *serial; |
95da310e | 81 | struct tty_port port; |
507ca9bc | 82 | spinlock_t lock; |
1da177e4 LT |
83 | unsigned char number; |
84 | ||
41dceed5 GKH |
85 | unsigned char *interrupt_in_buffer; |
86 | struct urb *interrupt_in_urb; | |
1da177e4 LT |
87 | __u8 interrupt_in_endpointAddress; |
88 | ||
41dceed5 | 89 | unsigned char *interrupt_out_buffer; |
1da177e4 | 90 | int interrupt_out_size; |
41dceed5 | 91 | struct urb *interrupt_out_urb; |
1da177e4 LT |
92 | __u8 interrupt_out_endpointAddress; |
93 | ||
41dceed5 | 94 | unsigned char *bulk_in_buffer; |
1da177e4 | 95 | int bulk_in_size; |
41dceed5 | 96 | struct urb *read_urb; |
1da177e4 LT |
97 | __u8 bulk_in_endpointAddress; |
98 | ||
d83b4053 JH |
99 | unsigned char *bulk_in_buffers[2]; |
100 | struct urb *read_urbs[2]; | |
101 | unsigned long read_urbs_free; | |
102 | ||
41dceed5 | 103 | unsigned char *bulk_out_buffer; |
1da177e4 | 104 | int bulk_out_size; |
41dceed5 | 105 | struct urb *write_urb; |
119eecc8 | 106 | struct kfifo write_fifo; |
27c7acf2 JH |
107 | |
108 | unsigned char *bulk_out_buffers[2]; | |
109 | struct urb *write_urbs[2]; | |
110 | unsigned long write_urbs_free; | |
1da177e4 LT |
111 | __u8 bulk_out_endpointAddress; |
112 | ||
980373b7 | 113 | struct async_icount icount; |
25d514ca | 114 | int tx_bytes; |
715b1dc0 | 115 | |
27c7acf2 | 116 | unsigned long flags; |
1da177e4 LT |
117 | wait_queue_head_t write_wait; |
118 | struct work_struct work; | |
253ca923 JR |
119 | char throttled; |
120 | char throttle_req; | |
98fcb5f7 | 121 | unsigned long sysrq; /* sysrq timeout */ |
1da177e4 LT |
122 | struct device dev; |
123 | }; | |
124 | #define to_usb_serial_port(d) container_of(d, struct usb_serial_port, dev) | |
125 | ||
126 | /* get and set the port private data pointer helper functions */ | |
41dceed5 | 127 | static inline void *usb_get_serial_port_data(struct usb_serial_port *port) |
1da177e4 LT |
128 | { |
129 | return dev_get_drvdata(&port->dev); | |
130 | } | |
131 | ||
41dceed5 GKH |
132 | static inline void usb_set_serial_port_data(struct usb_serial_port *port, |
133 | void *data) | |
1da177e4 LT |
134 | { |
135 | dev_set_drvdata(&port->dev, data); | |
136 | } | |
137 | ||
138 | /** | |
139 | * usb_serial - structure used by the usb-serial core for a device | |
140 | * @dev: pointer to the struct usb_device for this device | |
ea65370d | 141 | * @type: pointer to the struct usb_serial_driver for this device |
1da177e4 LT |
142 | * @interface: pointer to the struct usb_interface for this device |
143 | * @minor: the starting minor number for this device | |
144 | * @num_ports: the number of ports this device has | |
145 | * @num_interrupt_in: number of interrupt in endpoints we have | |
146 | * @num_interrupt_out: number of interrupt out endpoints we have | |
147 | * @num_bulk_in: number of bulk in endpoints we have | |
148 | * @num_bulk_out: number of bulk out endpoints we have | |
149 | * @port: array of struct usb_serial_port structures for the different ports. | |
150 | * @private: place to put any driver specific information that is needed. The | |
151 | * usb-serial driver is required to manage this data, the usb-serial core | |
152 | * will not touch this. Use usb_get_serial_data() and | |
153 | * usb_set_serial_data() to access this. | |
154 | */ | |
155 | struct usb_serial { | |
41dceed5 GKH |
156 | struct usb_device *dev; |
157 | struct usb_serial_driver *type; | |
158 | struct usb_interface *interface; | |
f8bece8d ON |
159 | unsigned char disconnected:1; |
160 | unsigned char suspending:1; | |
a4720c65 | 161 | unsigned char attached:1; |
1da177e4 LT |
162 | unsigned char minor; |
163 | unsigned char num_ports; | |
164 | unsigned char num_port_pointers; | |
165 | char num_interrupt_in; | |
166 | char num_interrupt_out; | |
167 | char num_bulk_in; | |
168 | char num_bulk_out; | |
41dceed5 | 169 | struct usb_serial_port *port[MAX_NUM_PORTS]; |
1da177e4 | 170 | struct kref kref; |
a1cd7e99 | 171 | struct mutex disc_mutex; |
41dceed5 | 172 | void *private; |
1da177e4 LT |
173 | }; |
174 | #define to_usb_serial(d) container_of(d, struct usb_serial, kref) | |
175 | ||
1da177e4 | 176 | /* get and set the serial private data pointer helper functions */ |
41dceed5 | 177 | static inline void *usb_get_serial_data(struct usb_serial *serial) |
1da177e4 LT |
178 | { |
179 | return serial->private; | |
180 | } | |
181 | ||
41dceed5 | 182 | static inline void usb_set_serial_data(struct usb_serial *serial, void *data) |
1da177e4 LT |
183 | { |
184 | serial->private = data; | |
185 | } | |
186 | ||
187 | /** | |
ea65370d | 188 | * usb_serial_driver - describes a usb serial driver |
41dceed5 GKH |
189 | * @description: pointer to a string that describes this driver. This string |
190 | * used in the syslog messages when a device is inserted or removed. | |
1da177e4 LT |
191 | * @id_table: pointer to a list of usb_device_id structures that define all |
192 | * of the devices this structure can support. | |
1da177e4 | 193 | * @num_ports: the number of different ports this device will have. |
969e3033 AS |
194 | * @bulk_in_size: minimum number of bytes to allocate for bulk-in buffer |
195 | * (0 = end-point size) | |
bbcb2b90 | 196 | * @bulk_out_size: bytes to allocate for bulk-out buffer (0 = end-point size) |
1da177e4 LT |
197 | * @calc_num_ports: pointer to a function to determine how many ports this |
198 | * device has dynamically. It will be called after the probe() | |
199 | * callback is called, but before attach() | |
200 | * @probe: pointer to the driver's probe function. | |
201 | * This will be called when the device is inserted into the system, | |
202 | * but before the device has been fully initialized by the usb_serial | |
203 | * subsystem. Use this function to download any firmware to the device, | |
204 | * or any other early initialization that might be needed. | |
a969888c | 205 | * Return 0 to continue on with the initialization sequence. Anything |
1da177e4 LT |
206 | * else will abort it. |
207 | * @attach: pointer to the driver's attach function. | |
208 | * This will be called when the struct usb_serial structure is fully set | |
209 | * set up. Do any local initialization of the device, or any private | |
210 | * memory structure allocation at this point in time. | |
f9c99bb8 AS |
211 | * @disconnect: pointer to the driver's disconnect function. This will be |
212 | * called when the device is unplugged or unbound from the driver. | |
213 | * @release: pointer to the driver's release function. This will be called | |
214 | * when the usb_serial data structure is about to be destroyed. | |
93bacefc GKH |
215 | * @usb_driver: pointer to the struct usb_driver that controls this |
216 | * device. This is necessary to allow dynamic ids to be added to | |
217 | * the driver from sysfs. | |
1da177e4 | 218 | * |
ea65370d | 219 | * This structure is defines a USB Serial driver. It provides all of |
1da177e4 LT |
220 | * the information that the USB serial core code needs. If the function |
221 | * pointers are defined, then the USB serial core code will call them when | |
222 | * the corresponding tty port functions are called. If they are not | |
223 | * called, the generic serial function will be used instead. | |
18fcac35 GKH |
224 | * |
225 | * The driver.owner field should be set to the module owner of this driver. | |
269bda1c GKH |
226 | * The driver.name field should be set to the name of this driver (remember |
227 | * it will show up in sysfs, so it needs to be short and to the point. | |
0b14c388 | 228 | * Using the module name is a good idea.) |
1da177e4 | 229 | */ |
ea65370d | 230 | struct usb_serial_driver { |
269bda1c | 231 | const char *description; |
1da177e4 | 232 | const struct usb_device_id *id_table; |
1da177e4 LT |
233 | char num_ports; |
234 | ||
235 | struct list_head driver_list; | |
236 | struct device_driver driver; | |
93bacefc GKH |
237 | struct usb_driver *usb_driver; |
238 | struct usb_dynids dynids; | |
25d514ca | 239 | |
bbcb2b90 JH |
240 | size_t bulk_in_size; |
241 | size_t bulk_out_size; | |
242 | ||
41dceed5 GKH |
243 | int (*probe)(struct usb_serial *serial, const struct usb_device_id *id); |
244 | int (*attach)(struct usb_serial *serial); | |
1da177e4 LT |
245 | int (*calc_num_ports) (struct usb_serial *serial); |
246 | ||
f9c99bb8 AS |
247 | void (*disconnect)(struct usb_serial *serial); |
248 | void (*release)(struct usb_serial *serial); | |
1da177e4 | 249 | |
41dceed5 GKH |
250 | int (*port_probe)(struct usb_serial_port *port); |
251 | int (*port_remove)(struct usb_serial_port *port); | |
1da177e4 | 252 | |
41dceed5 GKH |
253 | int (*suspend)(struct usb_serial *serial, pm_message_t message); |
254 | int (*resume)(struct usb_serial *serial); | |
7186364e | 255 | int (*reset_resume)(struct usb_serial *serial); |
ec22559e | 256 | |
1da177e4 | 257 | /* serial function calls */ |
a509a7e4 AC |
258 | /* Called by console and by the tty layer */ |
259 | int (*open)(struct tty_struct *tty, struct usb_serial_port *port); | |
335f8514 | 260 | void (*close)(struct usb_serial_port *port); |
95da310e AC |
261 | int (*write)(struct tty_struct *tty, struct usb_serial_port *port, |
262 | const unsigned char *buf, int count); | |
263 | /* Called only by the tty layer */ | |
264 | int (*write_room)(struct tty_struct *tty); | |
00a0d0d6 | 265 | int (*ioctl)(struct tty_struct *tty, |
41dceed5 | 266 | unsigned int cmd, unsigned long arg); |
95da310e AC |
267 | void (*set_termios)(struct tty_struct *tty, |
268 | struct usb_serial_port *port, struct ktermios *old); | |
269 | void (*break_ctl)(struct tty_struct *tty, int break_state); | |
270 | int (*chars_in_buffer)(struct tty_struct *tty); | |
0693196f | 271 | void (*wait_until_sent)(struct tty_struct *tty, long timeout); |
dcf01050 | 272 | bool (*tx_empty)(struct usb_serial_port *port); |
95da310e AC |
273 | void (*throttle)(struct tty_struct *tty); |
274 | void (*unthrottle)(struct tty_struct *tty); | |
60b33c13 | 275 | int (*tiocmget)(struct tty_struct *tty); |
20b9d177 | 276 | int (*tiocmset)(struct tty_struct *tty, |
41dceed5 | 277 | unsigned int set, unsigned int clear); |
143d9d96 | 278 | int (*tiocmiwait)(struct tty_struct *tty, unsigned long arg); |
d281da7f AC |
279 | int (*get_icount)(struct tty_struct *tty, |
280 | struct serial_icounter_struct *icount); | |
335f8514 AC |
281 | /* Called by the tty layer for port level work. There may or may not |
282 | be an attached tty at this point */ | |
283 | void (*dtr_rts)(struct usb_serial_port *port, int on); | |
284 | int (*carrier_raised)(struct usb_serial_port *port); | |
fe1ae7fd AC |
285 | /* Called by the usb serial hooks to allow the user to rework the |
286 | termios state */ | |
287 | void (*init_termios)(struct tty_struct *tty); | |
95da310e | 288 | /* USB events */ |
7d12e780 DH |
289 | void (*read_int_callback)(struct urb *urb); |
290 | void (*write_int_callback)(struct urb *urb); | |
291 | void (*read_bulk_callback)(struct urb *urb); | |
292 | void (*write_bulk_callback)(struct urb *urb); | |
23154320 JH |
293 | /* Called by the generic read bulk callback */ |
294 | void (*process_read_urb)(struct urb *urb); | |
eaa3bcb0 JH |
295 | /* Called by the generic write implementation */ |
296 | int (*prepare_write_buffer)(struct usb_serial_port *port, | |
c23e5fc1 | 297 | void *dest, size_t size); |
1da177e4 | 298 | }; |
41dceed5 GKH |
299 | #define to_usb_serial_driver(d) \ |
300 | container_of(d, struct usb_serial_driver, driver) | |
1da177e4 | 301 | |
68e24113 GKH |
302 | extern int usb_serial_register_drivers(struct usb_serial_driver *const serial_drivers[], |
303 | const char *name, const struct usb_device_id *id_table); | |
304 | extern void usb_serial_deregister_drivers(struct usb_serial_driver *const serial_drivers[]); | |
cf2c7481 | 305 | extern void usb_serial_port_softint(struct usb_serial_port *port); |
1da177e4 | 306 | |
ec22559e ON |
307 | extern int usb_serial_suspend(struct usb_interface *intf, pm_message_t message); |
308 | extern int usb_serial_resume(struct usb_interface *intf); | |
309 | ||
1da177e4 LT |
310 | /* USB Serial console functions */ |
311 | #ifdef CONFIG_USB_SERIAL_CONSOLE | |
3033bc8d | 312 | extern void usb_serial_console_init(int minor); |
41dceed5 | 313 | extern void usb_serial_console_exit(void); |
73e487fd | 314 | extern void usb_serial_console_disconnect(struct usb_serial *serial); |
1da177e4 | 315 | #else |
3033bc8d | 316 | static inline void usb_serial_console_init(int minor) { } |
41dceed5 | 317 | static inline void usb_serial_console_exit(void) { } |
73e487fd | 318 | static inline void usb_serial_console_disconnect(struct usb_serial *serial) {} |
1da177e4 LT |
319 | #endif |
320 | ||
321 | /* Functions needed by other parts of the usbserial core */ | |
41dceed5 | 322 | extern struct usb_serial *usb_serial_get_by_index(unsigned int minor); |
73e487fd | 323 | extern void usb_serial_put(struct usb_serial *serial); |
95da310e | 324 | extern int usb_serial_generic_open(struct tty_struct *tty, |
a509a7e4 | 325 | struct usb_serial_port *port); |
95da310e AC |
326 | extern int usb_serial_generic_write(struct tty_struct *tty, |
327 | struct usb_serial_port *port, const unsigned char *buf, int count); | |
335f8514 | 328 | extern void usb_serial_generic_close(struct usb_serial_port *port); |
41dceed5 | 329 | extern int usb_serial_generic_resume(struct usb_serial *serial); |
95da310e AC |
330 | extern int usb_serial_generic_write_room(struct tty_struct *tty); |
331 | extern int usb_serial_generic_chars_in_buffer(struct tty_struct *tty); | |
dcf01050 JH |
332 | extern void usb_serial_generic_wait_until_sent(struct tty_struct *tty, |
333 | long timeout); | |
41dceed5 GKH |
334 | extern void usb_serial_generic_read_bulk_callback(struct urb *urb); |
335 | extern void usb_serial_generic_write_bulk_callback(struct urb *urb); | |
95da310e AC |
336 | extern void usb_serial_generic_throttle(struct tty_struct *tty); |
337 | extern void usb_serial_generic_unthrottle(struct tty_struct *tty); | |
980373b7 JH |
338 | extern int usb_serial_generic_tiocmiwait(struct tty_struct *tty, |
339 | unsigned long arg); | |
befefcda JH |
340 | extern int usb_serial_generic_get_icount(struct tty_struct *tty, |
341 | struct serial_icounter_struct *icount); | |
3033bc8d | 342 | extern int usb_serial_generic_register(void); |
41dceed5 | 343 | extern void usb_serial_generic_deregister(void); |
d83b4053 | 344 | extern int usb_serial_generic_submit_read_urbs(struct usb_serial_port *port, |
98fcb5f7 | 345 | gfp_t mem_flags); |
23154320 | 346 | extern void usb_serial_generic_process_read_urb(struct urb *urb); |
eaa3bcb0 | 347 | extern int usb_serial_generic_prepare_write_buffer(struct usb_serial_port *port, |
c23e5fc1 | 348 | void *dest, size_t size); |
6ee9f4b4 | 349 | extern int usb_serial_handle_sysrq_char(struct usb_serial_port *port, |
98fcb5f7 JW |
350 | unsigned int ch); |
351 | extern int usb_serial_handle_break(struct usb_serial_port *port); | |
d14fc1a7 LP |
352 | extern void usb_serial_handle_dcd_change(struct usb_serial_port *usb_port, |
353 | struct tty_struct *tty, | |
354 | unsigned int status); | |
98fcb5f7 | 355 | |
41dceed5 GKH |
356 | |
357 | extern int usb_serial_bus_register(struct usb_serial_driver *device); | |
358 | extern void usb_serial_bus_deregister(struct usb_serial_driver *device); | |
1da177e4 | 359 | |
ea65370d | 360 | extern struct usb_serial_driver usb_serial_generic_device; |
1da177e4 LT |
361 | extern struct bus_type usb_serial_bus_type; |
362 | extern struct tty_driver *usb_serial_tty_driver; | |
363 | ||
59d33f2f | 364 | static inline void usb_serial_debug_data(struct device *dev, |
1da177e4 LT |
365 | const char *function, int size, |
366 | const unsigned char *data) | |
367 | { | |
59d33f2f GKH |
368 | dev_dbg(dev, "%s - length = %d, data = %*ph\n", |
369 | function, size, size, data); | |
1da177e4 LT |
370 | } |
371 | ||
e688355b JH |
372 | /* |
373 | * Macro for reporting errors in write path to avoid inifinite loop | |
374 | * when port is used as a console. | |
375 | */ | |
376 | #define dev_err_console(usport, fmt, ...) \ | |
377 | do { \ | |
378 | static bool __print_once; \ | |
379 | struct usb_serial_port *__port = (usport); \ | |
380 | \ | |
381 | if (!__port->port.console || !__print_once) { \ | |
382 | __print_once = true; \ | |
383 | dev_err(&__port->dev, fmt, ##__VA_ARGS__); \ | |
384 | } \ | |
385 | } while (0) | |
386 | ||
d1cddb4a GK |
387 | /* |
388 | * module_usb_serial_driver() - Helper macro for registering a USB Serial driver | |
d1cddb4a | 389 | * @__serial_drivers: list of usb_serial drivers to register |
68e24113 | 390 | * @__ids: all device ids that @__serial_drivers bind to |
d1cddb4a GK |
391 | * |
392 | * Helper macro for USB serial drivers which do not do anything special | |
393 | * in module init/exit. This eliminates a lot of boilerplate. Each | |
394 | * module may only use this macro once, and calling it replaces | |
395 | * module_init() and module_exit() | |
396 | * | |
d1cddb4a | 397 | */ |
68e24113 GKH |
398 | #define usb_serial_module_driver(__name, __serial_drivers, __ids) \ |
399 | static int __init usb_serial_module_init(void) \ | |
400 | { \ | |
401 | return usb_serial_register_drivers(__serial_drivers, \ | |
402 | __name, __ids); \ | |
403 | } \ | |
404 | module_init(usb_serial_module_init); \ | |
405 | static void __exit usb_serial_module_exit(void) \ | |
406 | { \ | |
407 | usb_serial_deregister_drivers(__serial_drivers); \ | |
408 | } \ | |
409 | module_exit(usb_serial_module_exit); | |
410 | ||
411 | #define module_usb_serial_driver(__serial_drivers, __ids) \ | |
412 | usb_serial_module_driver(KBUILD_MODNAME, __serial_drivers, __ids) | |
d1cddb4a | 413 | |
dda43a0e | 414 | #endif /* __LINUX_USB_SERIAL_H */ |
1da177e4 | 415 |