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-rw-r--r--drivers/parport/daisy.c212
1 files changed, 106 insertions, 106 deletions
diff --git a/drivers/parport/daisy.c b/drivers/parport/daisy.c
index fd41e28101ea..83ee095ec6e2 100644
--- a/drivers/parport/daisy.c
+++ b/drivers/parport/daisy.c
@@ -30,7 +30,7 @@
30#undef DEBUG 30#undef DEBUG
31 31
32#ifdef DEBUG 32#ifdef DEBUG
33#define DPRINTK(stuff...) printk (stuff) 33#define DPRINTK(stuff...) printk(stuff)
34#else 34#else
35#define DPRINTK(stuff...) 35#define DPRINTK(stuff...)
36#endif 36#endif
@@ -46,16 +46,16 @@ static DEFINE_SPINLOCK(topology_lock);
46static int numdevs = 0; 46static int numdevs = 0;
47 47
48/* Forward-declaration of lower-level functions. */ 48/* Forward-declaration of lower-level functions. */
49static int mux_present (struct parport *port); 49static int mux_present(struct parport *port);
50static int num_mux_ports (struct parport *port); 50static int num_mux_ports(struct parport *port);
51static int select_port (struct parport *port); 51static int select_port(struct parport *port);
52static int assign_addrs (struct parport *port); 52static int assign_addrs(struct parport *port);
53 53
54/* Add a device to the discovered topology. */ 54/* Add a device to the discovered topology. */
55static void add_dev (int devnum, struct parport *port, int daisy) 55static void add_dev(int devnum, struct parport *port, int daisy)
56{ 56{
57 struct daisydev *newdev, **p; 57 struct daisydev *newdev, **p;
58 newdev = kmalloc (sizeof (struct daisydev), GFP_KERNEL); 58 newdev = kmalloc(sizeof(struct daisydev), GFP_KERNEL);
59 if (newdev) { 59 if (newdev) {
60 newdev->port = port; 60 newdev->port = port;
61 newdev->daisy = daisy; 61 newdev->daisy = daisy;
@@ -70,9 +70,9 @@ static void add_dev (int devnum, struct parport *port, int daisy)
70} 70}
71 71
72/* Clone a parport (actually, make an alias). */ 72/* Clone a parport (actually, make an alias). */
73static struct parport *clone_parport (struct parport *real, int muxport) 73static struct parport *clone_parport(struct parport *real, int muxport)
74{ 74{
75 struct parport *extra = parport_register_port (real->base, 75 struct parport *extra = parport_register_port(real->base,
76 real->irq, 76 real->irq,
77 real->dma, 77 real->dma,
78 real->ops); 78 real->ops);
@@ -88,7 +88,7 @@ static struct parport *clone_parport (struct parport *real, int muxport)
88 88
89/* Discover the IEEE1284.3 topology on a port -- muxes and daisy chains. 89/* Discover the IEEE1284.3 topology on a port -- muxes and daisy chains.
90 * Return value is number of devices actually detected. */ 90 * Return value is number of devices actually detected. */
91int parport_daisy_init (struct parport *port) 91int parport_daisy_init(struct parport *port)
92{ 92{
93 int detected = 0; 93 int detected = 0;
94 char *deviceid; 94 char *deviceid;
@@ -103,26 +103,26 @@ again:
103 103
104 /* If mux present on normal port, need to create new 104 /* If mux present on normal port, need to create new
105 * parports for each extra port. */ 105 * parports for each extra port. */
106 if (port->muxport < 0 && mux_present (port) && 106 if (port->muxport < 0 && mux_present(port) &&
107 /* don't be fooled: a mux must have 2 or 4 ports. */ 107 /* don't be fooled: a mux must have 2 or 4 ports. */
108 ((num_ports = num_mux_ports (port)) == 2 || num_ports == 4)) { 108 ((num_ports = num_mux_ports(port)) == 2 || num_ports == 4)) {
109 /* Leave original as port zero. */ 109 /* Leave original as port zero. */
110 port->muxport = 0; 110 port->muxport = 0;
111 printk (KERN_INFO 111 printk(KERN_INFO
112 "%s: 1st (default) port of %d-way multiplexor\n", 112 "%s: 1st (default) port of %d-way multiplexor\n",
113 port->name, num_ports); 113 port->name, num_ports);
114 for (i = 1; i < num_ports; i++) { 114 for (i = 1; i < num_ports; i++) {
115 /* Clone the port. */ 115 /* Clone the port. */
116 struct parport *extra = clone_parport (port, i); 116 struct parport *extra = clone_parport(port, i);
117 if (!extra) { 117 if (!extra) {
118 if (signal_pending (current)) 118 if (signal_pending(current))
119 break; 119 break;
120 120
121 schedule (); 121 schedule();
122 continue; 122 continue;
123 } 123 }
124 124
125 printk (KERN_INFO 125 printk(KERN_INFO
126 "%s: %d%s port of %d-way multiplexor on %s\n", 126 "%s: %d%s port of %d-way multiplexor on %s\n",
127 extra->name, i + 1, th[i + 1], num_ports, 127 extra->name, i + 1, th[i + 1], num_ports,
128 port->name); 128 port->name);
@@ -135,34 +135,34 @@ again:
135 } 135 }
136 136
137 if (port->muxport >= 0) 137 if (port->muxport >= 0)
138 select_port (port); 138 select_port(port);
139 139
140 parport_daisy_deselect_all (port); 140 parport_daisy_deselect_all(port);
141 detected += assign_addrs (port); 141 detected += assign_addrs(port);
142 142
143 /* Count the potential legacy device at the end. */ 143 /* Count the potential legacy device at the end. */
144 add_dev (numdevs++, port, -1); 144 add_dev(numdevs++, port, -1);
145 145
146 /* Find out the legacy device's IEEE 1284 device ID. */ 146 /* Find out the legacy device's IEEE 1284 device ID. */
147 deviceid = kmalloc (1024, GFP_KERNEL); 147 deviceid = kmalloc(1024, GFP_KERNEL);
148 if (deviceid) { 148 if (deviceid) {
149 if (parport_device_id (numdevs - 1, deviceid, 1024) > 2) 149 if (parport_device_id(numdevs - 1, deviceid, 1024) > 2)
150 detected++; 150 detected++;
151 151
152 kfree (deviceid); 152 kfree(deviceid);
153 } 153 }
154 154
155 if (!detected && !last_try) { 155 if (!detected && !last_try) {
156 /* No devices were detected. Perhaps they are in some 156 /* No devices were detected. Perhaps they are in some
157 funny state; let's try to reset them and see if 157 funny state; let's try to reset them and see if
158 they wake up. */ 158 they wake up. */
159 parport_daisy_fini (port); 159 parport_daisy_fini(port);
160 parport_write_control (port, PARPORT_CONTROL_SELECT); 160 parport_write_control(port, PARPORT_CONTROL_SELECT);
161 udelay (50); 161 udelay(50);
162 parport_write_control (port, 162 parport_write_control(port,
163 PARPORT_CONTROL_SELECT | 163 PARPORT_CONTROL_SELECT |
164 PARPORT_CONTROL_INIT); 164 PARPORT_CONTROL_INIT);
165 udelay (50); 165 udelay(50);
166 last_try = 1; 166 last_try = 1;
167 goto again; 167 goto again;
168 } 168 }
@@ -171,7 +171,7 @@ again:
171} 171}
172 172
173/* Forget about devices on a physical port. */ 173/* Forget about devices on a physical port. */
174void parport_daisy_fini (struct parport *port) 174void parport_daisy_fini(struct parport *port)
175{ 175{
176 struct daisydev **p; 176 struct daisydev **p;
177 177
@@ -214,7 +214,7 @@ void parport_daisy_fini (struct parport *port)
214 * for parport_register_device(). 214 * for parport_register_device().
215 **/ 215 **/
216 216
217struct pardevice *parport_open (int devnum, const char *name, 217struct pardevice *parport_open(int devnum, const char *name,
218 int (*pf) (void *), void (*kf) (void *), 218 int (*pf) (void *), void (*kf) (void *),
219 void (*irqf) (int, void *, struct pt_regs *), 219 void (*irqf) (int, void *, struct pt_regs *),
220 int flags, void *handle) 220 int flags, void *handle)
@@ -237,7 +237,7 @@ struct pardevice *parport_open (int devnum, const char *name,
237 port = parport_get_port(p->port); 237 port = parport_get_port(p->port);
238 spin_unlock(&topology_lock); 238 spin_unlock(&topology_lock);
239 239
240 dev = parport_register_device (port, name, pf, kf, 240 dev = parport_register_device(port, name, pf, kf,
241 irqf, flags, handle); 241 irqf, flags, handle);
242 parport_put_port(port); 242 parport_put_port(port);
243 if (!dev) 243 if (!dev)
@@ -248,13 +248,13 @@ struct pardevice *parport_open (int devnum, const char *name,
248 /* Check that there really is a device to select. */ 248 /* Check that there really is a device to select. */
249 if (daisy >= 0) { 249 if (daisy >= 0) {
250 int selected; 250 int selected;
251 parport_claim_or_block (dev); 251 parport_claim_or_block(dev);
252 selected = port->daisy; 252 selected = port->daisy;
253 parport_release (dev); 253 parport_release(dev);
254 254
255 if (selected != daisy) { 255 if (selected != daisy) {
256 /* No corresponding device. */ 256 /* No corresponding device. */
257 parport_unregister_device (dev); 257 parport_unregister_device(dev);
258 return NULL; 258 return NULL;
259 } 259 }
260 } 260 }
@@ -270,9 +270,9 @@ struct pardevice *parport_open (int devnum, const char *name,
270 * parport_register_device(). 270 * parport_register_device().
271 **/ 271 **/
272 272
273void parport_close (struct pardevice *dev) 273void parport_close(struct pardevice *dev)
274{ 274{
275 parport_unregister_device (dev); 275 parport_unregister_device(dev);
276} 276}
277 277
278/** 278/**
@@ -287,7 +287,7 @@ void parport_close (struct pardevice *dev)
287 * exists. 287 * exists.
288 **/ 288 **/
289 289
290int parport_device_num (int parport, int mux, int daisy) 290int parport_device_num(int parport, int mux, int daisy)
291{ 291{
292 int res = -ENXIO; 292 int res = -ENXIO;
293 struct daisydev *dev; 293 struct daisydev *dev;
@@ -305,16 +305,16 @@ int parport_device_num (int parport, int mux, int daisy)
305} 305}
306 306
307/* Send a daisy-chain-style CPP command packet. */ 307/* Send a daisy-chain-style CPP command packet. */
308static int cpp_daisy (struct parport *port, int cmd) 308static int cpp_daisy(struct parport *port, int cmd)
309{ 309{
310 unsigned char s; 310 unsigned char s;
311 311
312 parport_data_forward (port); 312 parport_data_forward(port);
313 parport_write_data (port, 0xaa); udelay (2); 313 parport_write_data(port, 0xaa); udelay(2);
314 parport_write_data (port, 0x55); udelay (2); 314 parport_write_data(port, 0x55); udelay(2);
315 parport_write_data (port, 0x00); udelay (2); 315 parport_write_data(port, 0x00); udelay(2);
316 parport_write_data (port, 0xff); udelay (2); 316 parport_write_data(port, 0xff); udelay(2);
317 s = parport_read_status (port) & (PARPORT_STATUS_BUSY 317 s = parport_read_status(port) & (PARPORT_STATUS_BUSY
318 | PARPORT_STATUS_PAPEROUT 318 | PARPORT_STATUS_PAPEROUT
319 | PARPORT_STATUS_SELECT 319 | PARPORT_STATUS_SELECT
320 | PARPORT_STATUS_ERROR); 320 | PARPORT_STATUS_ERROR);
@@ -322,54 +322,54 @@ static int cpp_daisy (struct parport *port, int cmd)
322 | PARPORT_STATUS_PAPEROUT 322 | PARPORT_STATUS_PAPEROUT
323 | PARPORT_STATUS_SELECT 323 | PARPORT_STATUS_SELECT
324 | PARPORT_STATUS_ERROR)) { 324 | PARPORT_STATUS_ERROR)) {
325 DPRINTK (KERN_DEBUG "%s: cpp_daisy: aa5500ff(%02x)\n", 325 DPRINTK(KERN_DEBUG "%s: cpp_daisy: aa5500ff(%02x)\n",
326 port->name, s); 326 port->name, s);
327 return -ENXIO; 327 return -ENXIO;
328 } 328 }
329 329
330 parport_write_data (port, 0x87); udelay (2); 330 parport_write_data(port, 0x87); udelay(2);
331 s = parport_read_status (port) & (PARPORT_STATUS_BUSY 331 s = parport_read_status(port) & (PARPORT_STATUS_BUSY
332 | PARPORT_STATUS_PAPEROUT 332 | PARPORT_STATUS_PAPEROUT
333 | PARPORT_STATUS_SELECT 333 | PARPORT_STATUS_SELECT
334 | PARPORT_STATUS_ERROR); 334 | PARPORT_STATUS_ERROR);
335 if (s != (PARPORT_STATUS_SELECT | PARPORT_STATUS_ERROR)) { 335 if (s != (PARPORT_STATUS_SELECT | PARPORT_STATUS_ERROR)) {
336 DPRINTK (KERN_DEBUG "%s: cpp_daisy: aa5500ff87(%02x)\n", 336 DPRINTK(KERN_DEBUG "%s: cpp_daisy: aa5500ff87(%02x)\n",
337 port->name, s); 337 port->name, s);
338 return -ENXIO; 338 return -ENXIO;
339 } 339 }
340 340
341 parport_write_data (port, 0x78); udelay (2); 341 parport_write_data(port, 0x78); udelay(2);
342 parport_write_data (port, cmd); udelay (2); 342 parport_write_data(port, cmd); udelay(2);
343 parport_frob_control (port, 343 parport_frob_control(port,
344 PARPORT_CONTROL_STROBE, 344 PARPORT_CONTROL_STROBE,
345 PARPORT_CONTROL_STROBE); 345 PARPORT_CONTROL_STROBE);
346 udelay (1); 346 udelay(1);
347 s = parport_read_status (port); 347 s = parport_read_status(port);
348 parport_frob_control (port, PARPORT_CONTROL_STROBE, 0); 348 parport_frob_control(port, PARPORT_CONTROL_STROBE, 0);
349 udelay (1); 349 udelay(1);
350 parport_write_data (port, 0xff); udelay (2); 350 parport_write_data(port, 0xff); udelay(2);
351 351
352 return s; 352 return s;
353} 353}
354 354
355/* Send a mux-style CPP command packet. */ 355/* Send a mux-style CPP command packet. */
356static int cpp_mux (struct parport *port, int cmd) 356static int cpp_mux(struct parport *port, int cmd)
357{ 357{
358 unsigned char s; 358 unsigned char s;
359 int rc; 359 int rc;
360 360
361 parport_data_forward (port); 361 parport_data_forward(port);
362 parport_write_data (port, 0xaa); udelay (2); 362 parport_write_data(port, 0xaa); udelay(2);
363 parport_write_data (port, 0x55); udelay (2); 363 parport_write_data(port, 0x55); udelay(2);
364 parport_write_data (port, 0xf0); udelay (2); 364 parport_write_data(port, 0xf0); udelay(2);
365 parport_write_data (port, 0x0f); udelay (2); 365 parport_write_data(port, 0x0f); udelay(2);
366 parport_write_data (port, 0x52); udelay (2); 366 parport_write_data(port, 0x52); udelay(2);
367 parport_write_data (port, 0xad); udelay (2); 367 parport_write_data(port, 0xad); udelay(2);
368 parport_write_data (port, cmd); udelay (2); 368 parport_write_data(port, cmd); udelay(2);
369 369
370 s = parport_read_status (port); 370 s = parport_read_status(port);
371 if (!(s & PARPORT_STATUS_ACK)) { 371 if (!(s & PARPORT_STATUS_ACK)) {
372 DPRINTK (KERN_DEBUG "%s: cpp_mux: aa55f00f52ad%02x(%02x)\n", 372 DPRINTK(KERN_DEBUG "%s: cpp_mux: aa55f00f52ad%02x(%02x)\n",
373 port->name, cmd, s); 373 port->name, cmd, s);
374 return -EIO; 374 return -EIO;
375 } 375 }
@@ -382,12 +382,12 @@ static int cpp_mux (struct parport *port, int cmd)
382 return rc; 382 return rc;
383} 383}
384 384
385void parport_daisy_deselect_all (struct parport *port) 385void parport_daisy_deselect_all(struct parport *port)
386{ 386{
387 cpp_daisy (port, 0x30); 387 cpp_daisy(port, 0x30);
388} 388}
389 389
390int parport_daisy_select (struct parport *port, int daisy, int mode) 390int parport_daisy_select(struct parport *port, int daisy, int mode)
391{ 391{
392 switch (mode) 392 switch (mode)
393 { 393 {
@@ -395,14 +395,14 @@ int parport_daisy_select (struct parport *port, int daisy, int mode)
395 case IEEE1284_MODE_EPP: 395 case IEEE1284_MODE_EPP:
396 case IEEE1284_MODE_EPPSL: 396 case IEEE1284_MODE_EPPSL:
397 case IEEE1284_MODE_EPPSWE: 397 case IEEE1284_MODE_EPPSWE:
398 return !(cpp_daisy (port, 0x20 + daisy) & 398 return !(cpp_daisy(port, 0x20 + daisy) &
399 PARPORT_STATUS_ERROR); 399 PARPORT_STATUS_ERROR);
400 400
401 // For these modes we should switch to ECP mode: 401 // For these modes we should switch to ECP mode:
402 case IEEE1284_MODE_ECP: 402 case IEEE1284_MODE_ECP:
403 case IEEE1284_MODE_ECPRLE: 403 case IEEE1284_MODE_ECPRLE:
404 case IEEE1284_MODE_ECPSWE: 404 case IEEE1284_MODE_ECPSWE:
405 return !(cpp_daisy (port, 0xd0 + daisy) & 405 return !(cpp_daisy(port, 0xd0 + daisy) &
406 PARPORT_STATUS_ERROR); 406 PARPORT_STATUS_ERROR);
407 407
408 // Nothing was told for BECP in Daisy chain specification. 408 // Nothing was told for BECP in Daisy chain specification.
@@ -413,28 +413,28 @@ int parport_daisy_select (struct parport *port, int daisy, int mode)
413 case IEEE1284_MODE_BYTE: 413 case IEEE1284_MODE_BYTE:
414 case IEEE1284_MODE_COMPAT: 414 case IEEE1284_MODE_COMPAT:
415 default: 415 default:
416 return !(cpp_daisy (port, 0xe0 + daisy) & 416 return !(cpp_daisy(port, 0xe0 + daisy) &
417 PARPORT_STATUS_ERROR); 417 PARPORT_STATUS_ERROR);
418 } 418 }
419} 419}
420 420
421static int mux_present (struct parport *port) 421static int mux_present(struct parport *port)
422{ 422{
423 return cpp_mux (port, 0x51) == 3; 423 return cpp_mux(port, 0x51) == 3;
424} 424}
425 425
426static int num_mux_ports (struct parport *port) 426static int num_mux_ports(struct parport *port)
427{ 427{
428 return cpp_mux (port, 0x58); 428 return cpp_mux(port, 0x58);
429} 429}
430 430
431static int select_port (struct parport *port) 431static int select_port(struct parport *port)
432{ 432{
433 int muxport = port->muxport; 433 int muxport = port->muxport;
434 return cpp_mux (port, 0x60 + muxport) == muxport; 434 return cpp_mux(port, 0x60 + muxport) == muxport;
435} 435}
436 436
437static int assign_addrs (struct parport *port) 437static int assign_addrs(struct parport *port)
438{ 438{
439 unsigned char s; 439 unsigned char s;
440 unsigned char daisy; 440 unsigned char daisy;
@@ -442,12 +442,12 @@ static int assign_addrs (struct parport *port)
442 int detected; 442 int detected;
443 char *deviceid; 443 char *deviceid;
444 444
445 parport_data_forward (port); 445 parport_data_forward(port);
446 parport_write_data (port, 0xaa); udelay (2); 446 parport_write_data(port, 0xaa); udelay(2);
447 parport_write_data (port, 0x55); udelay (2); 447 parport_write_data(port, 0x55); udelay(2);
448 parport_write_data (port, 0x00); udelay (2); 448 parport_write_data(port, 0x00); udelay(2);
449 parport_write_data (port, 0xff); udelay (2); 449 parport_write_data(port, 0xff); udelay(2);
450 s = parport_read_status (port) & (PARPORT_STATUS_BUSY 450 s = parport_read_status(port) & (PARPORT_STATUS_BUSY
451 | PARPORT_STATUS_PAPEROUT 451 | PARPORT_STATUS_PAPEROUT
452 | PARPORT_STATUS_SELECT 452 | PARPORT_STATUS_SELECT
453 | PARPORT_STATUS_ERROR); 453 | PARPORT_STATUS_ERROR);
@@ -455,40 +455,40 @@ static int assign_addrs (struct parport *port)
455 | PARPORT_STATUS_PAPEROUT 455 | PARPORT_STATUS_PAPEROUT
456 | PARPORT_STATUS_SELECT 456 | PARPORT_STATUS_SELECT
457 | PARPORT_STATUS_ERROR)) { 457 | PARPORT_STATUS_ERROR)) {
458 DPRINTK (KERN_DEBUG "%s: assign_addrs: aa5500ff(%02x)\n", 458 DPRINTK(KERN_DEBUG "%s: assign_addrs: aa5500ff(%02x)\n",
459 port->name, s); 459 port->name, s);
460 return 0; 460 return 0;
461 } 461 }
462 462
463 parport_write_data (port, 0x87); udelay (2); 463 parport_write_data(port, 0x87); udelay(2);
464 s = parport_read_status (port) & (PARPORT_STATUS_BUSY 464 s = parport_read_status(port) & (PARPORT_STATUS_BUSY
465 | PARPORT_STATUS_PAPEROUT 465 | PARPORT_STATUS_PAPEROUT
466 | PARPORT_STATUS_SELECT 466 | PARPORT_STATUS_SELECT
467 | PARPORT_STATUS_ERROR); 467 | PARPORT_STATUS_ERROR);
468 if (s != (PARPORT_STATUS_SELECT | PARPORT_STATUS_ERROR)) { 468 if (s != (PARPORT_STATUS_SELECT | PARPORT_STATUS_ERROR)) {
469 DPRINTK (KERN_DEBUG "%s: assign_addrs: aa5500ff87(%02x)\n", 469 DPRINTK(KERN_DEBUG "%s: assign_addrs: aa5500ff87(%02x)\n",
470 port->name, s); 470 port->name, s);
471 return 0; 471 return 0;
472 } 472 }
473 473
474 parport_write_data (port, 0x78); udelay (2); 474 parport_write_data(port, 0x78); udelay(2);
475 s = parport_read_status (port); 475 s = parport_read_status(port);
476 476
477 for (daisy = 0; 477 for (daisy = 0;
478 (s & (PARPORT_STATUS_PAPEROUT|PARPORT_STATUS_SELECT)) 478 (s & (PARPORT_STATUS_PAPEROUT|PARPORT_STATUS_SELECT))
479 == (PARPORT_STATUS_PAPEROUT|PARPORT_STATUS_SELECT) 479 == (PARPORT_STATUS_PAPEROUT|PARPORT_STATUS_SELECT)
480 && daisy < 4; 480 && daisy < 4;
481 ++daisy) { 481 ++daisy) {
482 parport_write_data (port, daisy); 482 parport_write_data(port, daisy);
483 udelay (2); 483 udelay(2);
484 parport_frob_control (port, 484 parport_frob_control(port,
485 PARPORT_CONTROL_STROBE, 485 PARPORT_CONTROL_STROBE,
486 PARPORT_CONTROL_STROBE); 486 PARPORT_CONTROL_STROBE);
487 udelay (1); 487 udelay(1);
488 parport_frob_control (port, PARPORT_CONTROL_STROBE, 0); 488 parport_frob_control(port, PARPORT_CONTROL_STROBE, 0);
489 udelay (1); 489 udelay(1);
490 490
491 add_dev (numdevs++, port, daisy); 491 add_dev(numdevs++, port, daisy);
492 492
493 /* See if this device thought it was the last in the 493 /* See if this device thought it was the last in the
494 * chain. */ 494 * chain. */
@@ -499,21 +499,21 @@ static int assign_addrs (struct parport *port)
499 last_dev from next device or if last_dev does not 499 last_dev from next device or if last_dev does not
500 work status lines from some non-daisy chain 500 work status lines from some non-daisy chain
501 device. */ 501 device. */
502 s = parport_read_status (port); 502 s = parport_read_status(port);
503 } 503 }
504 504
505 parport_write_data (port, 0xff); udelay (2); 505 parport_write_data(port, 0xff); udelay(2);
506 detected = numdevs - thisdev; 506 detected = numdevs - thisdev;
507 DPRINTK (KERN_DEBUG "%s: Found %d daisy-chained devices\n", port->name, 507 DPRINTK(KERN_DEBUG "%s: Found %d daisy-chained devices\n", port->name,
508 detected); 508 detected);
509 509
510 /* Ask the new devices to introduce themselves. */ 510 /* Ask the new devices to introduce themselves. */
511 deviceid = kmalloc (1024, GFP_KERNEL); 511 deviceid = kmalloc(1024, GFP_KERNEL);
512 if (!deviceid) return 0; 512 if (!deviceid) return 0;
513 513
514 for (daisy = 0; thisdev < numdevs; thisdev++, daisy++) 514 for (daisy = 0; thisdev < numdevs; thisdev++, daisy++)
515 parport_device_id (thisdev, deviceid, 1024); 515 parport_device_id(thisdev, deviceid, 1024);
516 516
517 kfree (deviceid); 517 kfree(deviceid);
518 return detected; 518 return detected;
519} 519}