aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/usb/serial/kl5kusb105.c
diff options
context:
space:
mode:
authorAlan Cox <alan@redhat.com>2008-07-22 06:14:00 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-22 16:03:25 -0400
commit0c265f4e8598e251108759685dbb3789868086b2 (patch)
treed969fb7c2bd6da07264b8a2ceb5a58db5e54185f /drivers/usb/serial/kl5kusb105.c
parent8dd03a5b2b775b0932c1705dc19298ccda19167d (diff)
tty-usb-kl5kusb105: Coding style
Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/usb/serial/kl5kusb105.c')
-rw-r--r--drivers/usb/serial/kl5kusb105.c389
1 files changed, 188 insertions, 201 deletions
diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c
index 4a38ec8f5fe3..b84dddc71124 100644
--- a/drivers/usb/serial/kl5kusb105.c
+++ b/drivers/usb/serial/kl5kusb105.c
@@ -15,12 +15,12 @@
15 * Neither Palm, nor their contractor (MCCI) or their supplier (KLSI) provided 15 * Neither Palm, nor their contractor (MCCI) or their supplier (KLSI) provided
16 * information that was not already available. 16 * information that was not already available.
17 * 17 *
18 * It seems that KLSI bought some silicon-design information from ScanLogic, 18 * It seems that KLSI bought some silicon-design information from ScanLogic,
19 * whose SL11R processor is at the core of the KL5KUSB chipset from KLSI. 19 * whose SL11R processor is at the core of the KL5KUSB chipset from KLSI.
20 * KLSI has firmware available for their devices; it is probable that the 20 * KLSI has firmware available for their devices; it is probable that the
21 * firmware differs from that used by KLSI in their products. If you have an 21 * firmware differs from that used by KLSI in their products. If you have an
22 * original KLSI device and can provide some information on it, I would be 22 * original KLSI device and can provide some information on it, I would be
23 * most interested in adding support for it here. If you have any information 23 * most interested in adding support for it here. If you have any information
24 * on the protocol used (or find errors in my reverse-engineered stuff), please 24 * on the protocol used (or find errors in my reverse-engineered stuff), please
25 * let me know. 25 * let me know.
26 * 26 *
@@ -40,7 +40,7 @@
40 * 0.2 - TIOCMGET works, so autopilot(1) can be used! 40 * 0.2 - TIOCMGET works, so autopilot(1) can be used!
41 * 0.1 - can be used to to pilot-xfer -p /dev/ttyUSB0 -l 41 * 0.1 - can be used to to pilot-xfer -p /dev/ttyUSB0 -l
42 * 42 *
43 * The driver skeleton is mainly based on mct_u232.c and various other 43 * The driver skeleton is mainly based on mct_u232.c and various other
44 * pieces of code shamelessly copied from the drivers/usb/serial/ directory. 44 * pieces of code shamelessly copied from the drivers/usb/serial/ directory.
45 */ 45 */
46 46
@@ -53,7 +53,7 @@
53#include <linux/tty_driver.h> 53#include <linux/tty_driver.h>
54#include <linux/tty_flip.h> 54#include <linux/tty_flip.h>
55#include <linux/module.h> 55#include <linux/module.h>
56#include <asm/uaccess.h> 56#include <linux/uaccess.h>
57#include <asm/unaligned.h> 57#include <asm/unaligned.h>
58#include <linux/usb.h> 58#include <linux/usb.h>
59#include <linux/usb/serial.h> 59#include <linux/usb/serial.h>
@@ -72,37 +72,25 @@ static int debug;
72/* 72/*
73 * Function prototypes 73 * Function prototypes
74 */ 74 */
75static int klsi_105_startup (struct usb_serial *serial); 75static int klsi_105_startup(struct usb_serial *serial);
76static void klsi_105_shutdown (struct usb_serial *serial); 76static void klsi_105_shutdown(struct usb_serial *serial);
77static int klsi_105_open (struct tty_struct *tty, 77static int klsi_105_open(struct tty_struct *tty,
78 struct usb_serial_port *port, 78 struct usb_serial_port *port, struct file *filp);
79 struct file *filp); 79static void klsi_105_close(struct tty_struct *tty,
80static void klsi_105_close (struct tty_struct *tty, 80 struct usb_serial_port *port, struct file *filp);
81 struct usb_serial_port *port, 81static int klsi_105_write(struct tty_struct *tty,
82 struct file *filp); 82 struct usb_serial_port *port, const unsigned char *buf, int count);
83static int klsi_105_write (struct tty_struct *tty, 83static void klsi_105_write_bulk_callback(struct urb *urb);
84 struct usb_serial_port *port, 84static int klsi_105_chars_in_buffer(struct tty_struct *tty);
85 const unsigned char *buf, 85static int klsi_105_write_room(struct tty_struct *tty);
86 int count); 86static void klsi_105_read_bulk_callback(struct urb *urb);
87static void klsi_105_write_bulk_callback (struct urb *urb); 87static void klsi_105_set_termios(struct tty_struct *tty,
88static int klsi_105_chars_in_buffer (struct tty_struct *tty); 88 struct usb_serial_port *port, struct ktermios *old);
89static int klsi_105_write_room (struct tty_struct *tty); 89static void klsi_105_throttle(struct tty_struct *tty);
90 90static void klsi_105_unthrottle(struct tty_struct *tty);
91static void klsi_105_read_bulk_callback (struct urb *urb); 91static int klsi_105_tiocmget(struct tty_struct *tty, struct file *file);
92static void klsi_105_set_termios (struct tty_struct *tty, 92static int klsi_105_tiocmset(struct tty_struct *tty, struct file *file,
93 struct usb_serial_port *port, 93 unsigned int set, unsigned int clear);
94 struct ktermios *old);
95static void klsi_105_throttle (struct tty_struct *tty);
96static void klsi_105_unthrottle (struct tty_struct *tty);
97/*
98static void klsi_105_break_ctl (struct tty_struct *tty,
99 int break_state );
100 */
101static int klsi_105_tiocmget (struct tty_struct *tty,
102 struct file *file);
103static int klsi_105_tiocmset (struct tty_struct *tty,
104 struct file *file, unsigned int set,
105 unsigned int clear);
106 94
107/* 95/*
108 * All of the device info needed for the KLSI converters. 96 * All of the device info needed for the KLSI converters.
@@ -113,7 +101,7 @@ static struct usb_device_id id_table [] = {
113 { } /* Terminating entry */ 101 { } /* Terminating entry */
114}; 102};
115 103
116MODULE_DEVICE_TABLE (usb, id_table); 104MODULE_DEVICE_TABLE(usb, id_table);
117 105
118static struct usb_driver kl5kusb105d_driver = { 106static struct usb_driver kl5kusb105d_driver = {
119 .name = "kl5kusb105d", 107 .name = "kl5kusb105d",
@@ -138,7 +126,7 @@ static struct usb_serial_driver kl5kusb105d_device = {
138 .write_bulk_callback = klsi_105_write_bulk_callback, 126 .write_bulk_callback = klsi_105_write_bulk_callback,
139 .chars_in_buffer = klsi_105_chars_in_buffer, 127 .chars_in_buffer = klsi_105_chars_in_buffer,
140 .write_room = klsi_105_write_room, 128 .write_room = klsi_105_write_room,
141 .read_bulk_callback =klsi_105_read_bulk_callback, 129 .read_bulk_callback = klsi_105_read_bulk_callback,
142 .set_termios = klsi_105_set_termios, 130 .set_termios = klsi_105_set_termios,
143 /*.break_ctl = klsi_105_break_ctl,*/ 131 /*.break_ctl = klsi_105_break_ctl,*/
144 .tiocmget = klsi_105_tiocmget, 132 .tiocmget = klsi_105_tiocmget,
@@ -165,7 +153,7 @@ struct klsi_105_private {
165 struct ktermios termios; 153 struct ktermios termios;
166 unsigned long line_state; /* modem line settings */ 154 unsigned long line_state; /* modem line settings */
167 /* write pool */ 155 /* write pool */
168 struct urb * write_urb_pool[NUM_URBS]; 156 struct urb *write_urb_pool[NUM_URBS];
169 spinlock_t lock; 157 spinlock_t lock;
170 unsigned long bytes_in; 158 unsigned long bytes_in;
171 unsigned long bytes_out; 159 unsigned long bytes_out;
@@ -184,15 +172,15 @@ static int klsi_105_chg_port_settings(struct usb_serial_port *port,
184{ 172{
185 int rc; 173 int rc;
186 174
187 rc = usb_control_msg(port->serial->dev, 175 rc = usb_control_msg(port->serial->dev,
188 usb_sndctrlpipe(port->serial->dev, 0), 176 usb_sndctrlpipe(port->serial->dev, 0),
189 KL5KUSB105A_SIO_SET_DATA, 177 KL5KUSB105A_SIO_SET_DATA,
190 USB_TYPE_VENDOR | USB_DIR_OUT | USB_RECIP_INTERFACE, 178 USB_TYPE_VENDOR | USB_DIR_OUT | USB_RECIP_INTERFACE,
191 0, /* value */ 179 0, /* value */
192 0, /* index */ 180 0, /* index */
193 settings, 181 settings,
194 sizeof(struct klsi_105_port_settings), 182 sizeof(struct klsi_105_port_settings),
195 KLSI_TIMEOUT); 183 KLSI_TIMEOUT);
196 if (rc < 0) 184 if (rc < 0)
197 err("Change port settings failed (error = %d)", rc); 185 err("Change port settings failed (error = %d)", rc);
198 info("%s - %d byte block, baudrate %x, databits %d, u1 %d, u2 %d", 186 info("%s - %d byte block, baudrate %x, databits %d, u1 %d, u2 %d",
@@ -200,7 +188,7 @@ static int klsi_105_chg_port_settings(struct usb_serial_port *port,
200 settings->pktlen, 188 settings->pktlen,
201 settings->baudrate, settings->databits, 189 settings->baudrate, settings->databits,
202 settings->unknown1, settings->unknown2); 190 settings->unknown1, settings->unknown2);
203 return rc; 191 return rc;
204} /* klsi_105_chg_port_settings */ 192} /* klsi_105_chg_port_settings */
205 193
206/* translate a 16-bit status value from the device to linux's TIO bits */ 194/* translate a 16-bit status value from the device to linux's TIO bits */
@@ -214,9 +202,9 @@ static unsigned long klsi_105_status2linestate(const __u16 status)
214 202
215 return res; 203 return res;
216} 204}
217/* 205/*
218 * Read line control via vendor command and return result through 206 * Read line control via vendor command and return result through
219 * *line_state_p 207 * *line_state_p
220 */ 208 */
221/* It seems that the status buffer has always only 2 bytes length */ 209/* It seems that the status buffer has always only 2 bytes length */
222#define KLSI_STATUSBUF_LEN 2 210#define KLSI_STATUSBUF_LEN 2
@@ -224,14 +212,14 @@ static int klsi_105_get_line_state(struct usb_serial_port *port,
224 unsigned long *line_state_p) 212 unsigned long *line_state_p)
225{ 213{
226 int rc; 214 int rc;
227 __u8 status_buf[KLSI_STATUSBUF_LEN] = { -1,-1}; 215 __u8 status_buf[KLSI_STATUSBUF_LEN] = { -1, -1};
228 __u16 status; 216 __u16 status;
229 217
230 info("%s - sending SIO Poll request", __func__); 218 info("%s - sending SIO Poll request", __func__);
231 rc = usb_control_msg(port->serial->dev, 219 rc = usb_control_msg(port->serial->dev,
232 usb_rcvctrlpipe(port->serial->dev, 0), 220 usb_rcvctrlpipe(port->serial->dev, 0),
233 KL5KUSB105A_SIO_POLL, 221 KL5KUSB105A_SIO_POLL,
234 USB_TYPE_VENDOR | USB_DIR_IN, 222 USB_TYPE_VENDOR | USB_DIR_IN,
235 0, /* value */ 223 0, /* value */
236 0, /* index */ 224 0, /* index */
237 status_buf, KLSI_STATUSBUF_LEN, 225 status_buf, KLSI_STATUSBUF_LEN,
@@ -247,8 +235,7 @@ static int klsi_105_get_line_state(struct usb_serial_port *port,
247 235
248 *line_state_p = klsi_105_status2linestate(status); 236 *line_state_p = klsi_105_status2linestate(status);
249 } 237 }
250 238 return rc;
251 return rc;
252} 239}
253 240
254 241
@@ -256,7 +243,7 @@ static int klsi_105_get_line_state(struct usb_serial_port *port,
256 * Driver's tty interface functions 243 * Driver's tty interface functions
257 */ 244 */
258 245
259static int klsi_105_startup (struct usb_serial *serial) 246static int klsi_105_startup(struct usb_serial *serial)
260{ 247{
261 struct klsi_105_private *priv; 248 struct klsi_105_private *priv;
262 int i, j; 249 int i, j;
@@ -266,7 +253,7 @@ static int klsi_105_startup (struct usb_serial *serial)
266 */ 253 */
267 254
268 /* allocate the private data structure */ 255 /* allocate the private data structure */
269 for (i=0; i<serial->num_ports; i++) { 256 for (i = 0; i < serial->num_ports; i++) {
270 priv = kmalloc(sizeof(struct klsi_105_private), 257 priv = kmalloc(sizeof(struct klsi_105_private),
271 GFP_KERNEL); 258 GFP_KERNEL);
272 if (!priv) { 259 if (!priv) {
@@ -287,9 +274,9 @@ static int klsi_105_startup (struct usb_serial *serial)
287 priv->bytes_out = 0; 274 priv->bytes_out = 0;
288 usb_set_serial_port_data(serial->port[i], priv); 275 usb_set_serial_port_data(serial->port[i], priv);
289 276
290 spin_lock_init (&priv->lock); 277 spin_lock_init(&priv->lock);
291 for (j=0; j<NUM_URBS; j++) { 278 for (j = 0; j < NUM_URBS; j++) {
292 struct urb* urb = usb_alloc_urb(0, GFP_KERNEL); 279 struct urb *urb = usb_alloc_urb(0, GFP_KERNEL);
293 280
294 priv->write_urb_pool[j] = urb; 281 priv->write_urb_pool[j] = urb;
295 if (urb == NULL) { 282 if (urb == NULL) {
@@ -297,10 +284,11 @@ static int klsi_105_startup (struct usb_serial *serial)
297 goto err_cleanup; 284 goto err_cleanup;
298 } 285 }
299 286
300 urb->transfer_buffer = kmalloc (URB_TRANSFER_BUFFER_SIZE, 287 urb->transfer_buffer =
301 GFP_KERNEL); 288 kmalloc(URB_TRANSFER_BUFFER_SIZE, GFP_KERNEL);
302 if (!urb->transfer_buffer) { 289 if (!urb->transfer_buffer) {
303 err("%s - out of memory for urb buffers.", __func__); 290 err("%s - out of memory for urb buffers.",
291 __func__);
304 goto err_cleanup; 292 goto err_cleanup;
305 } 293 }
306 } 294 }
@@ -308,13 +296,13 @@ static int klsi_105_startup (struct usb_serial *serial)
308 /* priv->termios is left uninitalized until port opening */ 296 /* priv->termios is left uninitalized until port opening */
309 init_waitqueue_head(&serial->port[i]->write_wait); 297 init_waitqueue_head(&serial->port[i]->write_wait);
310 } 298 }
311 299
312 return 0; 300 return 0;
313 301
314err_cleanup: 302err_cleanup:
315 for (; i >= 0; i--) { 303 for (; i >= 0; i--) {
316 priv = usb_get_serial_port_data(serial->port[i]); 304 priv = usb_get_serial_port_data(serial->port[i]);
317 for (j=0; j < NUM_URBS; j++) { 305 for (j = 0; j < NUM_URBS; j++) {
318 if (priv->write_urb_pool[j]) { 306 if (priv->write_urb_pool[j]) {
319 kfree(priv->write_urb_pool[j]->transfer_buffer); 307 kfree(priv->write_urb_pool[j]->transfer_buffer);
320 usb_free_urb(priv->write_urb_pool[j]); 308 usb_free_urb(priv->write_urb_pool[j]);
@@ -326,22 +314,23 @@ err_cleanup:
326} /* klsi_105_startup */ 314} /* klsi_105_startup */
327 315
328 316
329static void klsi_105_shutdown (struct usb_serial *serial) 317static void klsi_105_shutdown(struct usb_serial *serial)
330{ 318{
331 int i; 319 int i;
332 320
333 dbg("%s", __func__); 321 dbg("%s", __func__);
334 322
335 /* stop reads and writes on all ports */ 323 /* stop reads and writes on all ports */
336 for (i=0; i < serial->num_ports; ++i) { 324 for (i = 0; i < serial->num_ports; ++i) {
337 struct klsi_105_private *priv = usb_get_serial_port_data(serial->port[i]); 325 struct klsi_105_private *priv =
326 usb_get_serial_port_data(serial->port[i]);
338 unsigned long flags; 327 unsigned long flags;
339 328
340 if (priv) { 329 if (priv) {
341 /* kill our write urb pool */ 330 /* kill our write urb pool */
342 int j; 331 int j;
343 struct urb **write_urbs = priv->write_urb_pool; 332 struct urb **write_urbs = priv->write_urb_pool;
344 spin_lock_irqsave(&priv->lock,flags); 333 spin_lock_irqsave(&priv->lock, flags);
345 334
346 for (j = 0; j < NUM_URBS; j++) { 335 for (j = 0; j < NUM_URBS; j++) {
347 if (write_urbs[j]) { 336 if (write_urbs[j]) {
@@ -353,12 +342,10 @@ static void klsi_105_shutdown (struct usb_serial *serial)
353 * oopses. */ 342 * oopses. */
354 /* usb_kill_urb(write_urbs[j]); */ 343 /* usb_kill_urb(write_urbs[j]); */
355 kfree(write_urbs[j]->transfer_buffer); 344 kfree(write_urbs[j]->transfer_buffer);
356 usb_free_urb (write_urbs[j]); 345 usb_free_urb(write_urbs[j]);
357 } 346 }
358 } 347 }
359 348 spin_unlock_irqrestore(&priv->lock, flags);
360 spin_unlock_irqrestore (&priv->lock, flags);
361
362 kfree(priv); 349 kfree(priv);
363 usb_set_serial_port_data(serial->port[i], NULL); 350 usb_set_serial_port_data(serial->port[i], NULL);
364 } 351 }
@@ -384,7 +371,7 @@ static int klsi_105_open(struct tty_struct *tty,
384 371
385 /* Do a defined restart: 372 /* Do a defined restart:
386 * Set up sane default baud rate and send the 'READ_ON' 373 * Set up sane default baud rate and send the 'READ_ON'
387 * vendor command. 374 * vendor command.
388 * FIXME: set modem line control (how?) 375 * FIXME: set modem line control (how?)
389 * Then read the modem line control and store values in 376 * Then read the modem line control and store values in
390 * priv->line_state. 377 * priv->line_state.
@@ -395,24 +382,24 @@ static int klsi_105_open(struct tty_struct *tty,
395 cfg.unknown1 = 0; 382 cfg.unknown1 = 0;
396 cfg.unknown2 = 1; 383 cfg.unknown2 = 1;
397 klsi_105_chg_port_settings(port, &cfg); 384 klsi_105_chg_port_settings(port, &cfg);
398 385
399 /* set up termios structure */ 386 /* set up termios structure */
400 spin_lock_irqsave (&priv->lock, flags); 387 spin_lock_irqsave(&priv->lock, flags);
401 priv->termios.c_iflag = tty->termios->c_iflag; 388 priv->termios.c_iflag = tty->termios->c_iflag;
402 priv->termios.c_oflag = tty->termios->c_oflag; 389 priv->termios.c_oflag = tty->termios->c_oflag;
403 priv->termios.c_cflag = tty->termios->c_cflag; 390 priv->termios.c_cflag = tty->termios->c_cflag;
404 priv->termios.c_lflag = tty->termios->c_lflag; 391 priv->termios.c_lflag = tty->termios->c_lflag;
405 for (i=0; i<NCCS; i++) 392 for (i = 0; i < NCCS; i++)
406 priv->termios.c_cc[i] = tty->termios->c_cc[i]; 393 priv->termios.c_cc[i] = tty->termios->c_cc[i];
407 priv->cfg.pktlen = cfg.pktlen; 394 priv->cfg.pktlen = cfg.pktlen;
408 priv->cfg.baudrate = cfg.baudrate; 395 priv->cfg.baudrate = cfg.baudrate;
409 priv->cfg.databits = cfg.databits; 396 priv->cfg.databits = cfg.databits;
410 priv->cfg.unknown1 = cfg.unknown1; 397 priv->cfg.unknown1 = cfg.unknown1;
411 priv->cfg.unknown2 = cfg.unknown2; 398 priv->cfg.unknown2 = cfg.unknown2;
412 spin_unlock_irqrestore (&priv->lock, flags); 399 spin_unlock_irqrestore(&priv->lock, flags);
413 400
414 /* READ_ON and urb submission */ 401 /* READ_ON and urb submission */
415 usb_fill_bulk_urb(port->read_urb, port->serial->dev, 402 usb_fill_bulk_urb(port->read_urb, port->serial->dev,
416 usb_rcvbulkpipe(port->serial->dev, 403 usb_rcvbulkpipe(port->serial->dev,
417 port->bulk_in_endpointAddress), 404 port->bulk_in_endpointAddress),
418 port->read_urb->transfer_buffer, 405 port->read_urb->transfer_buffer,
@@ -428,7 +415,7 @@ static int klsi_105_open(struct tty_struct *tty,
428 } 415 }
429 416
430 rc = usb_control_msg(port->serial->dev, 417 rc = usb_control_msg(port->serial->dev,
431 usb_sndctrlpipe(port->serial->dev,0), 418 usb_sndctrlpipe(port->serial->dev, 0),
432 KL5KUSB105A_SIO_CONFIGURE, 419 KL5KUSB105A_SIO_CONFIGURE,
433 USB_TYPE_VENDOR|USB_DIR_OUT|USB_RECIP_INTERFACE, 420 USB_TYPE_VENDOR|USB_DIR_OUT|USB_RECIP_INTERFACE,
434 KL5KUSB105A_SIO_CONFIGURE_READ_ON, 421 KL5KUSB105A_SIO_CONFIGURE_READ_ON,
@@ -439,14 +426,14 @@ static int klsi_105_open(struct tty_struct *tty,
439 if (rc < 0) { 426 if (rc < 0) {
440 err("Enabling read failed (error = %d)", rc); 427 err("Enabling read failed (error = %d)", rc);
441 retval = rc; 428 retval = rc;
442 } else 429 } else
443 dbg("%s - enabled reading", __func__); 430 dbg("%s - enabled reading", __func__);
444 431
445 rc = klsi_105_get_line_state(port, &line_state); 432 rc = klsi_105_get_line_state(port, &line_state);
446 if (rc >= 0) { 433 if (rc >= 0) {
447 spin_lock_irqsave (&priv->lock, flags); 434 spin_lock_irqsave(&priv->lock, flags);
448 priv->line_state = line_state; 435 priv->line_state = line_state;
449 spin_unlock_irqrestore (&priv->lock, flags); 436 spin_unlock_irqrestore(&priv->lock, flags);
450 dbg("%s - read line state 0x%lx", __func__, line_state); 437 dbg("%s - read line state 0x%lx", __func__, line_state);
451 retval = 0; 438 retval = 0;
452 } else 439 } else
@@ -468,14 +455,14 @@ static void klsi_105_close(struct tty_struct *tty,
468 mutex_lock(&port->serial->disc_mutex); 455 mutex_lock(&port->serial->disc_mutex);
469 if (!port->serial->disconnected) { 456 if (!port->serial->disconnected) {
470 /* send READ_OFF */ 457 /* send READ_OFF */
471 rc = usb_control_msg (port->serial->dev, 458 rc = usb_control_msg(port->serial->dev,
472 usb_sndctrlpipe(port->serial->dev, 0), 459 usb_sndctrlpipe(port->serial->dev, 0),
473 KL5KUSB105A_SIO_CONFIGURE, 460 KL5KUSB105A_SIO_CONFIGURE,
474 USB_TYPE_VENDOR | USB_DIR_OUT, 461 USB_TYPE_VENDOR | USB_DIR_OUT,
475 KL5KUSB105A_SIO_CONFIGURE_READ_OFF, 462 KL5KUSB105A_SIO_CONFIGURE_READ_OFF,
476 0, /* index */ 463 0, /* index */
477 NULL, 0, 464 NULL, 0,
478 KLSI_TIMEOUT); 465 KLSI_TIMEOUT);
479 if (rc < 0) 466 if (rc < 0)
480 err("Disabling read failed (error = %d)", rc); 467 err("Disabling read failed (error = %d)", rc);
481 } 468 }
@@ -488,12 +475,13 @@ static void klsi_105_close(struct tty_struct *tty,
488 /* FIXME */ 475 /* FIXME */
489 /* wgg - do I need this? I think so. */ 476 /* wgg - do I need this? I think so. */
490 usb_kill_urb(port->interrupt_in_urb); 477 usb_kill_urb(port->interrupt_in_urb);
491 info("kl5kusb105 port stats: %ld bytes in, %ld bytes out", priv->bytes_in, priv->bytes_out); 478 info("kl5kusb105 port stats: %ld bytes in, %ld bytes out",
479 priv->bytes_in, priv->bytes_out);
492} /* klsi_105_close */ 480} /* klsi_105_close */
493 481
494 482
495/* We need to write a complete 64-byte data block and encode the 483/* We need to write a complete 64-byte data block and encode the
496 * number actually sent in the first double-byte, LSB-order. That 484 * number actually sent in the first double-byte, LSB-order. That
497 * leaves at most 62 bytes of payload. 485 * leaves at most 62 bytes of payload.
498 */ 486 */
499#define KLSI_105_DATA_OFFSET 2 /* in the bulk urb data block */ 487#define KLSI_105_DATA_OFFSET 2 /* in the bulk urb data block */
@@ -504,7 +492,7 @@ static int klsi_105_write(struct tty_struct *tty,
504{ 492{
505 struct klsi_105_private *priv = usb_get_serial_port_data(port); 493 struct klsi_105_private *priv = usb_get_serial_port_data(port);
506 int result, size; 494 int result, size;
507 int bytes_sent=0; 495 int bytes_sent = 0;
508 496
509 dbg("%s - port %d", __func__, port->number); 497 dbg("%s - port %d", __func__, port->number);
510 498
@@ -513,34 +501,37 @@ static int klsi_105_write(struct tty_struct *tty,
513 struct urb *urb = NULL; 501 struct urb *urb = NULL;
514 unsigned long flags; 502 unsigned long flags;
515 int i; 503 int i;
516 /* since the pool is per-port we might not need the spin lock !? */ 504 /* since the pool is per-port we might not need
517 spin_lock_irqsave (&priv->lock, flags); 505 the spin lock !? */
518 for (i=0; i<NUM_URBS; i++) { 506 spin_lock_irqsave(&priv->lock, flags);
507 for (i = 0; i < NUM_URBS; i++) {
519 if (priv->write_urb_pool[i]->status != -EINPROGRESS) { 508 if (priv->write_urb_pool[i]->status != -EINPROGRESS) {
520 urb = priv->write_urb_pool[i]; 509 urb = priv->write_urb_pool[i];
521 dbg("%s - using pool URB %d", __func__, i); 510 dbg("%s - using pool URB %d", __func__, i);
522 break; 511 break;
523 } 512 }
524 } 513 }
525 spin_unlock_irqrestore (&priv->lock, flags); 514 spin_unlock_irqrestore(&priv->lock, flags);
526 515
527 if (urb==NULL) { 516 if (urb == NULL) {
528 dbg("%s - no more free urbs", __func__); 517 dbg("%s - no more free urbs", __func__);
529 goto exit; 518 goto exit;
530 } 519 }
531 520
532 if (urb->transfer_buffer == NULL) { 521 if (urb->transfer_buffer == NULL) {
533 urb->transfer_buffer = kmalloc (URB_TRANSFER_BUFFER_SIZE, GFP_ATOMIC); 522 urb->transfer_buffer =
523 kmalloc(URB_TRANSFER_BUFFER_SIZE, GFP_ATOMIC);
534 if (urb->transfer_buffer == NULL) { 524 if (urb->transfer_buffer == NULL) {
535 err("%s - no more kernel memory...", __func__); 525 err("%s - no more kernel memory...", __func__);
536 goto exit; 526 goto exit;
537 } 527 }
538 } 528 }
539 529
540 size = min (count, port->bulk_out_size - KLSI_105_DATA_OFFSET); 530 size = min(count, port->bulk_out_size - KLSI_105_DATA_OFFSET);
541 size = min (size, URB_TRANSFER_BUFFER_SIZE - KLSI_105_DATA_OFFSET); 531 size = min(size, URB_TRANSFER_BUFFER_SIZE -
532 KLSI_105_DATA_OFFSET);
542 533
543 memcpy (urb->transfer_buffer + KLSI_105_DATA_OFFSET, buf, size); 534 memcpy(urb->transfer_buffer + KLSI_105_DATA_OFFSET, buf, size);
544 535
545 /* write payload size into transfer buffer */ 536 /* write payload size into transfer buffer */
546 ((__u8 *)urb->transfer_buffer)[0] = (__u8) (size & 0xFF); 537 ((__u8 *)urb->transfer_buffer)[0] = (__u8) (size & 0xFF);
@@ -558,7 +549,8 @@ static int klsi_105_write(struct tty_struct *tty,
558 /* send the data out the bulk port */ 549 /* send the data out the bulk port */
559 result = usb_submit_urb(urb, GFP_ATOMIC); 550 result = usb_submit_urb(urb, GFP_ATOMIC);
560 if (result) { 551 if (result) {
561 err("%s - failed submitting write urb, error %d", __func__, result); 552 err("%s - failed submitting write urb, error %d",
553 __func__, result);
562 goto exit; 554 goto exit;
563 } 555 }
564 buf += size; 556 buf += size;
@@ -567,12 +559,12 @@ static int klsi_105_write(struct tty_struct *tty,
567 } 559 }
568exit: 560exit:
569 /* lockless, but it's for debug info only... */ 561 /* lockless, but it's for debug info only... */
570 priv->bytes_out+=bytes_sent; 562 priv->bytes_out += bytes_sent;
571 563
572 return bytes_sent; /* that's how much we wrote */ 564 return bytes_sent; /* that's how much we wrote */
573} /* klsi_105_write */ 565} /* klsi_105_write */
574 566
575static void klsi_105_write_bulk_callback ( struct urb *urb) 567static void klsi_105_write_bulk_callback(struct urb *urb)
576{ 568{
577 struct usb_serial_port *port = urb->context; 569 struct usb_serial_port *port = urb->context;
578 int status = urb->status; 570 int status = urb->status;
@@ -590,7 +582,7 @@ static void klsi_105_write_bulk_callback ( struct urb *urb)
590 582
591 583
592/* return number of characters currently in the writing process */ 584/* return number of characters currently in the writing process */
593static int klsi_105_chars_in_buffer (struct tty_struct *tty) 585static int klsi_105_chars_in_buffer(struct tty_struct *tty)
594{ 586{
595 struct usb_serial_port *port = tty->driver_data; 587 struct usb_serial_port *port = tty->driver_data;
596 int chars = 0; 588 int chars = 0;
@@ -598,21 +590,20 @@ static int klsi_105_chars_in_buffer (struct tty_struct *tty)
598 unsigned long flags; 590 unsigned long flags;
599 struct klsi_105_private *priv = usb_get_serial_port_data(port); 591 struct klsi_105_private *priv = usb_get_serial_port_data(port);
600 592
601 spin_lock_irqsave (&priv->lock, flags); 593 spin_lock_irqsave(&priv->lock, flags);
602 594
603 for (i = 0; i < NUM_URBS; ++i) { 595 for (i = 0; i < NUM_URBS; ++i) {
604 if (priv->write_urb_pool[i]->status == -EINPROGRESS) { 596 if (priv->write_urb_pool[i]->status == -EINPROGRESS)
605 chars += URB_TRANSFER_BUFFER_SIZE; 597 chars += URB_TRANSFER_BUFFER_SIZE;
606 }
607 } 598 }
608 599
609 spin_unlock_irqrestore (&priv->lock, flags); 600 spin_unlock_irqrestore(&priv->lock, flags);
610 601
611 dbg("%s - returns %d", __func__, chars); 602 dbg("%s - returns %d", __func__, chars);
612 return (chars); 603 return chars;
613} 604}
614 605
615static int klsi_105_write_room (struct tty_struct *tty) 606static int klsi_105_write_room(struct tty_struct *tty)
616{ 607{
617 struct usb_serial_port *port = tty->driver_data; 608 struct usb_serial_port *port = tty->driver_data;
618 unsigned long flags; 609 unsigned long flags;
@@ -620,22 +611,21 @@ static int klsi_105_write_room (struct tty_struct *tty)
620 int room = 0; 611 int room = 0;
621 struct klsi_105_private *priv = usb_get_serial_port_data(port); 612 struct klsi_105_private *priv = usb_get_serial_port_data(port);
622 613
623 spin_lock_irqsave (&priv->lock, flags); 614 spin_lock_irqsave(&priv->lock, flags);
624 for (i = 0; i < NUM_URBS; ++i) { 615 for (i = 0; i < NUM_URBS; ++i) {
625 if (priv->write_urb_pool[i]->status != -EINPROGRESS) { 616 if (priv->write_urb_pool[i]->status != -EINPROGRESS)
626 room += URB_TRANSFER_BUFFER_SIZE; 617 room += URB_TRANSFER_BUFFER_SIZE;
627 }
628 } 618 }
629 619
630 spin_unlock_irqrestore (&priv->lock, flags); 620 spin_unlock_irqrestore(&priv->lock, flags);
631 621
632 dbg("%s - returns %d", __func__, room); 622 dbg("%s - returns %d", __func__, room);
633 return (room); 623 return room;
634} 624}
635 625
636 626
637 627
638static void klsi_105_read_bulk_callback (struct urb *urb) 628static void klsi_105_read_bulk_callback(struct urb *urb)
639{ 629{
640 struct usb_serial_port *port = urb->context; 630 struct usb_serial_port *port = urb->context;
641 struct klsi_105_private *priv = usb_get_serial_port_data(port); 631 struct klsi_105_private *priv = usb_get_serial_port_data(port);
@@ -674,7 +664,7 @@ static void klsi_105_read_bulk_callback (struct urb *urb)
674 * against re-entry an then mixed-up data because of 664 * against re-entry an then mixed-up data because of
675 * intermixed tty_flip_buffer_push()s 665 * intermixed tty_flip_buffer_push()s
676 * FIXME 666 * FIXME
677 */ 667 */
678 usb_serial_debug_data(debug, &port->dev, __func__, 668 usb_serial_debug_data(debug, &port->dev, __func__,
679 urb->actual_length, data); 669 urb->actual_length, data);
680 670
@@ -694,7 +684,7 @@ static void klsi_105_read_bulk_callback (struct urb *urb)
694 priv->bytes_in += bytes_sent; 684 priv->bytes_in += bytes_sent;
695 } 685 }
696 /* Continue trying to always read */ 686 /* Continue trying to always read */
697 usb_fill_bulk_urb(port->read_urb, port->serial->dev, 687 usb_fill_bulk_urb(port->read_urb, port->serial->dev,
698 usb_rcvbulkpipe(port->serial->dev, 688 usb_rcvbulkpipe(port->serial->dev,
699 port->bulk_in_endpointAddress), 689 port->bulk_in_endpointAddress),
700 port->read_urb->transfer_buffer, 690 port->read_urb->transfer_buffer,
@@ -703,13 +693,14 @@ static void klsi_105_read_bulk_callback (struct urb *urb)
703 port); 693 port);
704 rc = usb_submit_urb(port->read_urb, GFP_ATOMIC); 694 rc = usb_submit_urb(port->read_urb, GFP_ATOMIC);
705 if (rc) 695 if (rc)
706 err("%s - failed resubmitting read urb, error %d", __func__, rc); 696 err("%s - failed resubmitting read urb, error %d",
697 __func__, rc);
707} /* klsi_105_read_bulk_callback */ 698} /* klsi_105_read_bulk_callback */
708 699
709 700
710static void klsi_105_set_termios (struct tty_struct *tty, 701static void klsi_105_set_termios(struct tty_struct *tty,
711 struct usb_serial_port *port, 702 struct usb_serial_port *port,
712 struct ktermios *old_termios) 703 struct ktermios *old_termios)
713{ 704{
714 struct klsi_105_private *priv = usb_get_serial_port_data(port); 705 struct klsi_105_private *priv = usb_get_serial_port_data(port);
715 unsigned int iflag = tty->termios->c_iflag; 706 unsigned int iflag = tty->termios->c_iflag;
@@ -719,65 +710,63 @@ static void klsi_105_set_termios (struct tty_struct *tty,
719 struct klsi_105_port_settings cfg; 710 struct klsi_105_port_settings cfg;
720 unsigned long flags; 711 unsigned long flags;
721 speed_t baud; 712 speed_t baud;
722 713
723 /* lock while we are modifying the settings */ 714 /* lock while we are modifying the settings */
724 spin_lock_irqsave (&priv->lock, flags); 715 spin_lock_irqsave(&priv->lock, flags);
725 716
726 /* 717 /*
727 * Update baud rate 718 * Update baud rate
728 */ 719 */
729 baud = tty_get_baud_rate(tty); 720 baud = tty_get_baud_rate(tty);
730 721
731 if( (cflag & CBAUD) != (old_cflag & CBAUD) ) { 722 if ((cflag & CBAUD) != (old_cflag & CBAUD)) {
732 /* reassert DTR and (maybe) RTS on transition from B0 */ 723 /* reassert DTR and (maybe) RTS on transition from B0 */
733 if( (old_cflag & CBAUD) == B0 ) { 724 if ((old_cflag & CBAUD) == B0) {
734 dbg("%s: baud was B0", __func__); 725 dbg("%s: baud was B0", __func__);
735#if 0 726#if 0
736 priv->control_state |= TIOCM_DTR; 727 priv->control_state |= TIOCM_DTR;
737 /* don't set RTS if using hardware flow control */ 728 /* don't set RTS if using hardware flow control */
738 if (!(old_cflag & CRTSCTS)) { 729 if (!(old_cflag & CRTSCTS))
739 priv->control_state |= TIOCM_RTS; 730 priv->control_state |= TIOCM_RTS;
740 }
741 mct_u232_set_modem_ctrl(serial, priv->control_state); 731 mct_u232_set_modem_ctrl(serial, priv->control_state);
742#endif 732#endif
743 } 733 }
744 } 734 }
745 switch(baud) { 735 switch (baud) {
746 case 0: /* handled below */ 736 case 0: /* handled below */
747 break; 737 break;
748 case 1200: 738 case 1200:
749 priv->cfg.baudrate = kl5kusb105a_sio_b1200; 739 priv->cfg.baudrate = kl5kusb105a_sio_b1200;
750 break; 740 break;
751 case 2400: 741 case 2400:
752 priv->cfg.baudrate = kl5kusb105a_sio_b2400; 742 priv->cfg.baudrate = kl5kusb105a_sio_b2400;
753 break; 743 break;
754 case 4800: 744 case 4800:
755 priv->cfg.baudrate = kl5kusb105a_sio_b4800; 745 priv->cfg.baudrate = kl5kusb105a_sio_b4800;
756 break; 746 break;
757 case 9600: 747 case 9600:
748 priv->cfg.baudrate = kl5kusb105a_sio_b9600;
749 break;
750 case 19200:
751 priv->cfg.baudrate = kl5kusb105a_sio_b19200;
752 break;
753 case 38400:
754 priv->cfg.baudrate = kl5kusb105a_sio_b38400;
755 break;
756 case 57600:
757 priv->cfg.baudrate = kl5kusb105a_sio_b57600;
758 break;
759 case 115200:
760 priv->cfg.baudrate = kl5kusb105a_sio_b115200;
761 break;
762 default:
763 dbg("KLSI USB->Serial converter:"
764 " unsupported baudrate request, using default of 9600");
758 priv->cfg.baudrate = kl5kusb105a_sio_b9600; 765 priv->cfg.baudrate = kl5kusb105a_sio_b9600;
759 break; 766 baud = 9600;
760 case 19200: 767 break;
761 priv->cfg.baudrate = kl5kusb105a_sio_b19200;
762 break;
763 case 38400:
764 priv->cfg.baudrate = kl5kusb105a_sio_b38400;
765 break;
766 case 57600:
767 priv->cfg.baudrate = kl5kusb105a_sio_b57600;
768 break;
769 case 115200:
770 priv->cfg.baudrate = kl5kusb105a_sio_b115200;
771 break;
772 default:
773 dbg("KLSI USB->Serial converter:"
774 " unsupported baudrate request, using default"
775 " of 9600");
776 priv->cfg.baudrate = kl5kusb105a_sio_b9600;
777 baud = 9600;
778 break;
779 } 768 }
780 if ((cflag & CBAUD) == B0 ) { 769 if ((cflag & CBAUD) == B0) {
781 dbg("%s: baud is B0", __func__); 770 dbg("%s: baud is B0", __func__);
782 /* Drop RTS and DTR */ 771 /* Drop RTS and DTR */
783 /* maybe this should be simulated by sending read 772 /* maybe this should be simulated by sending read
@@ -786,7 +775,7 @@ static void klsi_105_set_termios (struct tty_struct *tty,
786 ; 775 ;
787#if 0 776#if 0
788 priv->control_state &= ~(TIOCM_DTR | TIOCM_RTS); 777 priv->control_state &= ~(TIOCM_DTR | TIOCM_RTS);
789 mct_u232_set_modem_ctrl(serial, priv->control_state); 778 mct_u232_set_modem_ctrl(serial, priv->control_state);
790#endif 779#endif
791 } 780 }
792 tty_encode_baud_rate(tty, baud, baud); 781 tty_encode_baud_rate(tty, baud, baud);
@@ -796,11 +785,11 @@ static void klsi_105_set_termios (struct tty_struct *tty,
796 switch (cflag & CSIZE) { 785 switch (cflag & CSIZE) {
797 case CS5: 786 case CS5:
798 dbg("%s - 5 bits/byte not supported", __func__); 787 dbg("%s - 5 bits/byte not supported", __func__);
799 spin_unlock_irqrestore (&priv->lock, flags); 788 spin_unlock_irqrestore(&priv->lock, flags);
800 return ; 789 return ;
801 case CS6: 790 case CS6:
802 dbg("%s - 6 bits/byte not supported", __func__); 791 dbg("%s - 6 bits/byte not supported", __func__);
803 spin_unlock_irqrestore (&priv->lock, flags); 792 spin_unlock_irqrestore(&priv->lock, flags);
804 return ; 793 return ;
805 case CS7: 794 case CS7:
806 priv->cfg.databits = kl5kusb105a_dtb_7; 795 priv->cfg.databits = kl5kusb105a_dtb_7;
@@ -819,8 +808,7 @@ static void klsi_105_set_termios (struct tty_struct *tty,
819 * Update line control register (LCR) 808 * Update line control register (LCR)
820 */ 809 */
821 if ((cflag & (PARENB|PARODD)) != (old_cflag & (PARENB|PARODD)) 810 if ((cflag & (PARENB|PARODD)) != (old_cflag & (PARENB|PARODD))
822 || (cflag & CSTOPB) != (old_cflag & CSTOPB) ) { 811 || (cflag & CSTOPB) != (old_cflag & CSTOPB)) {
823
824 /* Not currently supported */ 812 /* Not currently supported */
825 tty->termios->c_cflag &= ~(PARENB|PARODD|CSTOPB); 813 tty->termios->c_cflag &= ~(PARENB|PARODD|CSTOPB);
826#if 0 814#if 0
@@ -841,20 +829,18 @@ static void klsi_105_set_termios (struct tty_struct *tty,
841#endif 829#endif
842 ; 830 ;
843 } 831 }
844
845 /* 832 /*
846 * Set flow control: well, I do not really now how to handle DTR/RTS. 833 * Set flow control: well, I do not really now how to handle DTR/RTS.
847 * Just do what we have seen with SniffUSB on Win98. 834 * Just do what we have seen with SniffUSB on Win98.
848 */ 835 */
849 if( (iflag & IXOFF) != (old_iflag & IXOFF) 836 if ((iflag & IXOFF) != (old_iflag & IXOFF)
850 || (iflag & IXON) != (old_iflag & IXON) 837 || (iflag & IXON) != (old_iflag & IXON)
851 || (cflag & CRTSCTS) != (old_cflag & CRTSCTS) ) { 838 || (cflag & CRTSCTS) != (old_cflag & CRTSCTS)) {
852
853 /* Not currently supported */ 839 /* Not currently supported */
854 tty->termios->c_cflag &= ~CRTSCTS; 840 tty->termios->c_cflag &= ~CRTSCTS;
855 /* Drop DTR/RTS if no flow control otherwise assert */ 841 /* Drop DTR/RTS if no flow control otherwise assert */
856#if 0 842#if 0
857 if ((iflag & IXOFF) || (iflag & IXON) || (cflag & CRTSCTS) ) 843 if ((iflag & IXOFF) || (iflag & IXON) || (cflag & CRTSCTS))
858 priv->control_state |= TIOCM_DTR | TIOCM_RTS; 844 priv->control_state |= TIOCM_DTR | TIOCM_RTS;
859 else 845 else
860 priv->control_state &= ~(TIOCM_DTR | TIOCM_RTS); 846 priv->control_state &= ~(TIOCM_DTR | TIOCM_RTS);
@@ -862,20 +848,21 @@ static void klsi_105_set_termios (struct tty_struct *tty,
862#endif 848#endif
863 ; 849 ;
864 } 850 }
865 memcpy (&cfg, &priv->cfg, sizeof(cfg)); 851 memcpy(&cfg, &priv->cfg, sizeof(cfg));
866 spin_unlock_irqrestore (&priv->lock, flags); 852 spin_unlock_irqrestore(&priv->lock, flags);
867 853
868 /* now commit changes to device */ 854 /* now commit changes to device */
869 klsi_105_chg_port_settings(port, &cfg); 855 klsi_105_chg_port_settings(port, &cfg);
870} /* klsi_105_set_termios */ 856} /* klsi_105_set_termios */
871 857
872 858
873#if 0 859#if 0
874static void mct_u232_break_ctl( struct tty_struct *tty, int break_state ) 860static void mct_u232_break_ctl(struct tty_struct *tty, int break_state)
875{ 861{
876 struct usb_serial_port *port = tty->driver_data; 862 struct usb_serial_port *port = tty->driver_data;
877 struct usb_serial *serial = port->serial; 863 struct usb_serial *serial = port->serial;
878 struct mct_u232_private *priv = (struct mct_u232_private *)port->private; 864 struct mct_u232_private *priv =
865 (struct mct_u232_private *)port->private;
879 unsigned char lcr = priv->last_lcr; 866 unsigned char lcr = priv->last_lcr;
880 867
881 dbg("%sstate=%d", __func__, break_state); 868 dbg("%sstate=%d", __func__, break_state);
@@ -887,7 +874,7 @@ static void mct_u232_break_ctl( struct tty_struct *tty, int break_state )
887} /* mct_u232_break_ctl */ 874} /* mct_u232_break_ctl */
888#endif 875#endif
889 876
890static int klsi_105_tiocmget (struct tty_struct *tty, struct file *file) 877static int klsi_105_tiocmget(struct tty_struct *tty, struct file *file)
891{ 878{
892 struct usb_serial_port *port = tty->driver_data; 879 struct usb_serial_port *port = tty->driver_data;
893 struct klsi_105_private *priv = usb_get_serial_port_data(port); 880 struct klsi_105_private *priv = usb_get_serial_port_data(port);
@@ -903,18 +890,18 @@ static int klsi_105_tiocmget (struct tty_struct *tty, struct file *file)
903 return rc; 890 return rc;
904 } 891 }
905 892
906 spin_lock_irqsave (&priv->lock, flags); 893 spin_lock_irqsave(&priv->lock, flags);
907 priv->line_state = line_state; 894 priv->line_state = line_state;
908 spin_unlock_irqrestore (&priv->lock, flags); 895 spin_unlock_irqrestore(&priv->lock, flags);
909 dbg("%s - read line state 0x%lx", __func__, line_state); 896 dbg("%s - read line state 0x%lx", __func__, line_state);
910 return (int)line_state; 897 return (int)line_state;
911} 898}
912 899
913static int klsi_105_tiocmset (struct tty_struct *tty, struct file *file, 900static int klsi_105_tiocmset(struct tty_struct *tty, struct file *file,
914 unsigned int set, unsigned int clear) 901 unsigned int set, unsigned int clear)
915{ 902{
916 int retval = -EINVAL; 903 int retval = -EINVAL;
917 904
918 dbg("%s", __func__); 905 dbg("%s", __func__);
919 906
920/* if this ever gets implemented, it should be done something like this: 907/* if this ever gets implemented, it should be done something like this:
@@ -939,14 +926,14 @@ static int klsi_105_tiocmset (struct tty_struct *tty, struct file *file,
939 return retval; 926 return retval;
940} 927}
941 928
942static void klsi_105_throttle (struct tty_struct *tty) 929static void klsi_105_throttle(struct tty_struct *tty)
943{ 930{
944 struct usb_serial_port *port = tty->driver_data; 931 struct usb_serial_port *port = tty->driver_data;
945 dbg("%s - port %d", __func__, port->number); 932 dbg("%s - port %d", __func__, port->number);
946 usb_kill_urb(port->read_urb); 933 usb_kill_urb(port->read_urb);
947} 934}
948 935
949static void klsi_105_unthrottle (struct tty_struct *tty) 936static void klsi_105_unthrottle(struct tty_struct *tty)
950{ 937{
951 struct usb_serial_port *port = tty->driver_data; 938 struct usb_serial_port *port = tty->driver_data;
952 int result; 939 int result;
@@ -962,7 +949,7 @@ static void klsi_105_unthrottle (struct tty_struct *tty)
962 949
963 950
964 951
965static int __init klsi_105_init (void) 952static int __init klsi_105_init(void)
966{ 953{
967 int retval; 954 int retval;
968 retval = usb_serial_register(&kl5kusb105d_device); 955 retval = usb_serial_register(&kl5kusb105d_device);
@@ -981,19 +968,19 @@ failed_usb_serial_register:
981} 968}
982 969
983 970
984static void __exit klsi_105_exit (void) 971static void __exit klsi_105_exit(void)
985{ 972{
986 usb_deregister (&kl5kusb105d_driver); 973 usb_deregister(&kl5kusb105d_driver);
987 usb_serial_deregister (&kl5kusb105d_device); 974 usb_serial_deregister(&kl5kusb105d_device);
988} 975}
989 976
990 977
991module_init (klsi_105_init); 978module_init(klsi_105_init);
992module_exit (klsi_105_exit); 979module_exit(klsi_105_exit);
993 980
994MODULE_AUTHOR( DRIVER_AUTHOR ); 981MODULE_AUTHOR(DRIVER_AUTHOR);
995MODULE_DESCRIPTION( DRIVER_DESC ); 982MODULE_DESCRIPTION(DRIVER_DESC);
996MODULE_LICENSE("GPL"); 983MODULE_LICENSE("GPL");
997 984
998 985
999module_param(debug, bool, S_IRUGO | S_IWUSR); 986module_param(debug, bool, S_IRUGO | S_IWUSR);