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1 | /* |
2 | * SMsC 37B787 Watchdog Timer driver for Linux 2.6.x.x |
3 | * |
4 | * Based on acquirewdt.c by Alan Cox <alan@lxorguk.ukuu.org.uk> |
5 | * and some other existing drivers |
6 | * |
7 | * This program is free software; you can redistribute it and/or |
8 | * modify it under the terms of the GNU General Public License |
9 | * as published by the Free Software Foundation; either version |
10 | * 2 of the License, or (at your option) any later version. |
11 | * |
12 | * The authors do NOT admit liability nor provide warranty for |
13 | * any of this software. This material is provided "AS-IS" in |
14 | * the hope that it may be useful for others. |
15 | * |
16 | * (C) Copyright 2003-2006 Sven Anders <anders@anduras.de> |
17 | * |
18 | * History: |
19 | * 2003 - Created version 1.0 for Linux 2.4.x. |
20 | * 2006 - Ported to Linux 2.6, added nowayout and MAGICCLOSE |
21 | * features. Released version 1.1 |
22 | * |
23 | * Theory of operation: |
24 | * |
25 | * A Watchdog Timer (WDT) is a hardware circuit that can |
26 | * reset the computer system in case of a software fault. |
27 | * You probably knew that already. |
28 | * |
29 | * Usually a userspace daemon will notify the kernel WDT driver |
30 | * via the /dev/watchdog special device file that userspace is |
31 | * still alive, at regular intervals. When such a notification |
32 | * occurs, the driver will usually tell the hardware watchdog |
33 | * that everything is in order, and that the watchdog should wait |
34 | * for yet another little while to reset the system. |
35 | * If userspace fails (RAM error, kernel bug, whatever), the |
36 | * notifications cease to occur, and the hardware watchdog will |
37 | * reset the system (causing a reboot) after the timeout occurs. |
38 | * |
39 | * Create device with: |
40 | * mknod /dev/watchdog c 10 130 |
41 | * |
42 | * For an example userspace keep-alive daemon, see: |
43 | * Documentation/watchdog/watchdog.txt |
44 | */ |
45 | |
46 | #include <linux/module.h> |
47 | #include <linux/moduleparam.h> |
48 | #include <linux/types.h> |
49 | #include <linux/miscdevice.h> |
50 | #include <linux/watchdog.h> |
51 | #include <linux/delay.h> |
52 | #include <linux/fs.h> |
53 | #include <linux/ioport.h> |
54 | #include <linux/notifier.h> |
55 | #include <linux/reboot.h> |
56 | #include <linux/init.h> |
57 | #include <linux/spinlock.h> |
58 | #include <linux/io.h> |
59 | #include <linux/uaccess.h> |
60 | |
61 | #include <asm/system.h> |
62 | |
63 | /* enable support for minutes as units? */ |
64 | /* (does not always work correctly, so disabled by default!) */ |
65 | #define SMSC_SUPPORT_MINUTES |
66 | #undef SMSC_SUPPORT_MINUTES |
67 | |
68 | #define MAX_TIMEOUT 255 |
69 | |
70 | #define UNIT_SECOND 0 |
71 | #define UNIT_MINUTE 1 |
72 | |
73 | #define MODNAME "smsc37b787_wdt: " |
74 | #define VERSION "1.1" |
75 | |
76 | #define IOPORT 0x3F0 |
77 | #define IOPORT_SIZE 2 |
78 | #define IODEV_NO 8 |
79 | |
80 | static int unit = UNIT_SECOND; /* timer's unit */ |
81 | static int timeout = 60; /* timeout value: default is 60 "units" */ |
82 | static unsigned long timer_enabled; /* is the timer enabled? */ |
83 | |
84 | static char expect_close; /* is the close expected? */ |
85 | |
86 | static DEFINE_SPINLOCK(io_lock);/* to guard the watchdog from io races */ |
87 | |
88 | static int nowayout = WATCHDOG_NOWAYOUT; |
89 | |
90 | /* -- Low level function ----------------------------------------*/ |
91 | |
92 | /* unlock the IO chip */ |
93 | |
94 | static inline void open_io_config(void) |
95 | { |
96 | outb(0x55, IOPORT); |
97 | mdelay(1); |
98 | outb(0x55, IOPORT); |
99 | } |
100 | |
101 | /* lock the IO chip */ |
102 | static inline void close_io_config(void) |
103 | { |
104 | outb(0xAA, IOPORT); |
105 | } |
106 | |
107 | /* select the IO device */ |
108 | static inline void select_io_device(unsigned char devno) |
109 | { |
110 | outb(0x07, IOPORT); |
111 | outb(devno, IOPORT+1); |
112 | } |
113 | |
114 | /* write to the control register */ |
115 | static inline void write_io_cr(unsigned char reg, unsigned char data) |
116 | { |
117 | outb(reg, IOPORT); |
118 | outb(data, IOPORT+1); |
119 | } |
120 | |
121 | /* read from the control register */ |
122 | static inline char read_io_cr(unsigned char reg) |
123 | { |
124 | outb(reg, IOPORT); |
125 | return inb(IOPORT+1); |
126 | } |
127 | |
128 | /* -- Medium level functions ------------------------------------*/ |
129 | |
130 | static inline void gpio_bit12(unsigned char reg) |
131 | { |
132 | /* -- General Purpose I/O Bit 1.2 -- |
133 | * Bit 0, In/Out: 0 = Output, 1 = Input |
134 | * Bit 1, Polarity: 0 = No Invert, 1 = Invert |
135 | * Bit 2, Group Enable Intr.: 0 = Disable, 1 = Enable |
136 | * Bit 3/4, Function select: 00 = GPI/O, 01 = WDT, 10 = P17, |
137 | * 11 = Either Edge Triggered Intr. 2 |
138 | * Bit 5/6 (Reserved) |
139 | * Bit 7, Output Type: 0 = Push Pull Bit, 1 = Open Drain |
140 | */ |
141 | write_io_cr(0xE2, reg); |
142 | } |
143 | |
144 | static inline void gpio_bit13(unsigned char reg) |
145 | { |
146 | /* -- General Purpose I/O Bit 1.3 -- |
147 | * Bit 0, In/Out: 0 = Output, 1 = Input |
148 | * Bit 1, Polarity: 0 = No Invert, 1 = Invert |
149 | * Bit 2, Group Enable Intr.: 0 = Disable, 1 = Enable |
150 | * Bit 3, Function select: 0 = GPI/O, 1 = LED |
151 | * Bit 4-6 (Reserved) |
152 | * Bit 7, Output Type: 0 = Push Pull Bit, 1 = Open Drain |
153 | */ |
154 | write_io_cr(0xE3, reg); |
155 | } |
156 | |
157 | static inline void wdt_timer_units(unsigned char new_units) |
158 | { |
159 | /* -- Watchdog timer units -- |
160 | * Bit 0-6 (Reserved) |
161 | * Bit 7, WDT Time-out Value Units Select |
162 | * (0 = Minutes, 1 = Seconds) |
163 | */ |
164 | write_io_cr(0xF1, new_units); |
165 | } |
166 | |
167 | static inline void wdt_timeout_value(unsigned char new_timeout) |
168 | { |
169 | /* -- Watchdog Timer Time-out Value -- |
170 | * Bit 0-7 Binary coded units (0=Disabled, 1..255) |
171 | */ |
172 | write_io_cr(0xF2, new_timeout); |
173 | } |
174 | |
175 | static inline void wdt_timer_conf(unsigned char conf) |
176 | { |
177 | /* -- Watchdog timer configuration -- |
178 | * Bit 0 Joystick enable: 0* = No Reset, 1 = Reset WDT upon |
179 | * Gameport I/O |
180 | * Bit 1 Keyboard enable: 0* = No Reset, 1 = Reset WDT upon KBD Intr. |
181 | * Bit 2 Mouse enable: 0* = No Reset, 1 = Reset WDT upon Mouse Intr |
182 | * Bit 3 Reset the timer |
183 | * (Wrong in SMsC documentation? Given as: PowerLED Timout |
184 | * Enabled) |
185 | * Bit 4-7 WDT Interrupt Mapping: (0000* = Disabled, |
186 | * 0001=IRQ1, 0010=(Invalid), 0011=IRQ3 to 1111=IRQ15) |
187 | */ |
188 | write_io_cr(0xF3, conf); |
189 | } |
190 | |
191 | static inline void wdt_timer_ctrl(unsigned char reg) |
192 | { |
193 | /* -- Watchdog timer control -- |
194 | * Bit 0 Status Bit: 0 = Timer counting, 1 = Timeout occured |
195 | * Bit 1 Power LED Toggle: 0 = Disable Toggle, 1 = Toggle at 1 Hz |
196 | * Bit 2 Force Timeout: 1 = Forces WD timeout event (self-cleaning) |
197 | * Bit 3 P20 Force Timeout enabled: |
198 | * 0 = P20 activity does not generate the WD timeout event |
199 | * 1 = P20 Allows rising edge of P20, from the keyboard |
200 | * controller, to force the WD timeout event. |
201 | * Bit 4 (Reserved) |
202 | * -- Soft power management -- |
203 | * Bit 5 Stop Counter: 1 = Stop software power down counter |
204 | * set via register 0xB8, (self-cleaning) |
205 | * (Upon read: 0 = Counter running, 1 = Counter stopped) |
206 | * Bit 6 Restart Counter: 1 = Restart software power down counter |
207 | * set via register 0xB8, (self-cleaning) |
208 | * Bit 7 SPOFF: 1 = Force software power down (self-cleaning) |
209 | */ |
210 | write_io_cr(0xF4, reg); |
211 | } |
212 | |
213 | /* -- Higher level functions ------------------------------------*/ |
214 | |
215 | /* initialize watchdog */ |
216 | |
217 | static void wb_smsc_wdt_initialize(void) |
218 | { |
219 | unsigned char old; |
220 | |
221 | spin_lock(&io_lock); |
222 | open_io_config(); |
223 | select_io_device(IODEV_NO); |
224 | |
225 | /* enable the watchdog */ |
226 | gpio_bit13(0x08); /* Select pin 80 = LED not GPIO */ |
227 | gpio_bit12(0x0A); /* Set pin 79 = WDT not |
228 | GPIO/Output/Polarity=Invert */ |
229 | /* disable the timeout */ |
230 | wdt_timeout_value(0); |
231 | |
232 | /* reset control register */ |
233 | wdt_timer_ctrl(0x00); |
234 | |
235 | /* reset configuration register */ |
236 | wdt_timer_conf(0x00); |
237 | |
238 | /* read old (timer units) register */ |
239 | old = read_io_cr(0xF1) & 0x7F; |
240 | if (unit == UNIT_SECOND) |
241 | old |= 0x80; /* set to seconds */ |
242 | |
243 | /* set the watchdog timer units */ |
244 | wdt_timer_units(old); |
245 | |
246 | close_io_config(); |
247 | spin_unlock(&io_lock); |
248 | } |
249 | |
250 | /* shutdown the watchdog */ |
251 | |
252 | static void wb_smsc_wdt_shutdown(void) |
253 | { |
254 | spin_lock(&io_lock); |
255 | open_io_config(); |
256 | select_io_device(IODEV_NO); |
257 | |
258 | /* disable the watchdog */ |
259 | gpio_bit13(0x09); |
260 | gpio_bit12(0x09); |
261 | |
262 | /* reset watchdog config register */ |
263 | wdt_timer_conf(0x00); |
264 | |
265 | /* reset watchdog control register */ |
266 | wdt_timer_ctrl(0x00); |
267 | |
268 | /* disable timeout */ |
269 | wdt_timeout_value(0x00); |
270 | |
271 | close_io_config(); |
272 | spin_unlock(&io_lock); |
273 | } |
274 | |
275 | /* set timeout => enable watchdog */ |
276 | |
277 | static void wb_smsc_wdt_set_timeout(unsigned char new_timeout) |
278 | { |
279 | spin_lock(&io_lock); |
280 | open_io_config(); |
281 | select_io_device(IODEV_NO); |
282 | |
283 | /* set Power LED to blink, if we enable the timeout */ |
284 | wdt_timer_ctrl((new_timeout == 0) ? 0x00 : 0x02); |
285 | |
286 | /* set timeout value */ |
287 | wdt_timeout_value(new_timeout); |
288 | |
289 | close_io_config(); |
290 | spin_unlock(&io_lock); |
291 | } |
292 | |
293 | /* get timeout */ |
294 | |
295 | static unsigned char wb_smsc_wdt_get_timeout(void) |
296 | { |
297 | unsigned char set_timeout; |
298 | |
299 | spin_lock(&io_lock); |
300 | open_io_config(); |
301 | select_io_device(IODEV_NO); |
302 | set_timeout = read_io_cr(0xF2); |
303 | close_io_config(); |
304 | spin_unlock(&io_lock); |
305 | |
306 | return set_timeout; |
307 | } |
308 | |
309 | /* disable watchdog */ |
310 | |
311 | static void wb_smsc_wdt_disable(void) |
312 | { |
313 | /* set the timeout to 0 to disable the watchdog */ |
314 | wb_smsc_wdt_set_timeout(0); |
315 | } |
316 | |
317 | /* enable watchdog by setting the current timeout */ |
318 | |
319 | static void wb_smsc_wdt_enable(void) |
320 | { |
321 | /* set the current timeout... */ |
322 | wb_smsc_wdt_set_timeout(timeout); |
323 | } |
324 | |
325 | /* reset the timer */ |
326 | |
327 | static void wb_smsc_wdt_reset_timer(void) |
328 | { |
329 | spin_lock(&io_lock); |
330 | open_io_config(); |
331 | select_io_device(IODEV_NO); |
332 | |
333 | /* reset the timer */ |
334 | wdt_timeout_value(timeout); |
335 | wdt_timer_conf(0x08); |
336 | |
337 | close_io_config(); |
338 | spin_unlock(&io_lock); |
339 | } |
340 | |
341 | /* return, if the watchdog is enabled (timeout is set...) */ |
342 | |
343 | static int wb_smsc_wdt_status(void) |
344 | { |
345 | return (wb_smsc_wdt_get_timeout() == 0) ? 0 : WDIOF_KEEPALIVEPING; |
346 | } |
347 | |
348 | |
349 | /* -- File operations -------------------------------------------*/ |
350 | |
351 | /* open => enable watchdog and set initial timeout */ |
352 | |
353 | static int wb_smsc_wdt_open(struct inode *inode, struct file *file) |
354 | { |
355 | /* /dev/watchdog can only be opened once */ |
356 | |
357 | if (test_and_set_bit(0, &timer_enabled)) |
358 | return -EBUSY; |
359 | |
360 | if (nowayout) |
361 | __module_get(THIS_MODULE); |
362 | |
363 | /* Reload and activate timer */ |
364 | wb_smsc_wdt_enable(); |
365 | |
366 | printk(KERN_INFO MODNAME |
367 | "Watchdog enabled. Timeout set to %d %s.\n", |
368 | timeout, (unit == UNIT_SECOND) ? "second(s)" : "minute(s)"); |
369 | |
370 | return nonseekable_open(inode, file); |
371 | } |
372 | |
373 | /* close => shut off the timer */ |
374 | |
375 | static int wb_smsc_wdt_release(struct inode *inode, struct file *file) |
376 | { |
377 | /* Shut off the timer. */ |
378 | |
379 | if (expect_close == 42) { |
380 | wb_smsc_wdt_disable(); |
381 | printk(KERN_INFO MODNAME |
382 | "Watchdog disabled, sleeping again...\n"); |
383 | } else { |
384 | printk(KERN_CRIT MODNAME |
385 | "Unexpected close, not stopping watchdog!\n"); |
386 | wb_smsc_wdt_reset_timer(); |
387 | } |
388 | |
389 | clear_bit(0, &timer_enabled); |
390 | expect_close = 0; |
391 | return 0; |
392 | } |
393 | |
394 | /* write => update the timer to keep the machine alive */ |
395 | |
396 | static ssize_t wb_smsc_wdt_write(struct file *file, const char __user *data, |
397 | size_t len, loff_t *ppos) |
398 | { |
399 | /* See if we got the magic character 'V' and reload the timer */ |
400 | if (len) { |
401 | if (!nowayout) { |
402 | size_t i; |
403 | |
404 | /* reset expect flag */ |
405 | expect_close = 0; |
406 | |
407 | /* scan to see whether or not we got the |
408 | magic character */ |
409 | for (i = 0; i != len; i++) { |
410 | char c; |
411 | if (get_user(c, data + i)) |
412 | return -EFAULT; |
413 | if (c == 'V') |
414 | expect_close = 42; |
415 | } |
416 | } |
417 | |
418 | /* someone wrote to us, we should reload the timer */ |
419 | wb_smsc_wdt_reset_timer(); |
420 | } |
421 | return len; |
422 | } |
423 | |
424 | /* ioctl => control interface */ |
425 | |
426 | static long wb_smsc_wdt_ioctl(struct file *file, |
427 | unsigned int cmd, unsigned long arg) |
428 | { |
429 | int new_timeout; |
430 | |
431 | union { |
432 | struct watchdog_info __user *ident; |
433 | int __user *i; |
434 | } uarg; |
435 | |
436 | static const struct watchdog_info ident = { |
437 | .options = WDIOF_KEEPALIVEPING | |
438 | WDIOF_SETTIMEOUT | |
439 | WDIOF_MAGICCLOSE, |
440 | .firmware_version = 0, |
441 | .identity = "SMsC 37B787 Watchdog", |
442 | }; |
443 | |
444 | uarg.i = (int __user *)arg; |
445 | |
446 | switch (cmd) { |
447 | case WDIOC_GETSUPPORT: |
448 | return copy_to_user(uarg.ident, &ident, sizeof(ident)) |
449 | ? -EFAULT : 0; |
450 | case WDIOC_GETSTATUS: |
451 | return put_user(wb_smsc_wdt_status(), uarg.i); |
452 | case WDIOC_GETBOOTSTATUS: |
453 | return put_user(0, uarg.i); |
454 | case WDIOC_SETOPTIONS: |
455 | { |
456 | int options, retval = -EINVAL; |
457 | |
458 | if (get_user(options, uarg.i)) |
459 | return -EFAULT; |
460 | |
461 | if (options & WDIOS_DISABLECARD) { |
462 | wb_smsc_wdt_disable(); |
463 | retval = 0; |
464 | } |
465 | if (options & WDIOS_ENABLECARD) { |
466 | wb_smsc_wdt_enable(); |
467 | retval = 0; |
468 | } |
469 | return retval; |
470 | } |
471 | case WDIOC_KEEPALIVE: |
472 | wb_smsc_wdt_reset_timer(); |
473 | return 0; |
474 | case WDIOC_SETTIMEOUT: |
475 | if (get_user(new_timeout, uarg.i)) |
476 | return -EFAULT; |
477 | /* the API states this is given in secs */ |
478 | if (unit == UNIT_MINUTE) |
479 | new_timeout /= 60; |
480 | if (new_timeout < 0 || new_timeout > MAX_TIMEOUT) |
481 | return -EINVAL; |
482 | timeout = new_timeout; |
483 | wb_smsc_wdt_set_timeout(timeout); |
484 | /* fall through and return the new timeout... */ |
485 | case WDIOC_GETTIMEOUT: |
486 | new_timeout = timeout; |
487 | if (unit == UNIT_MINUTE) |
488 | new_timeout *= 60; |
489 | return put_user(new_timeout, uarg.i); |
490 | default: |
491 | return -ENOTTY; |
492 | } |
493 | } |
494 | |
495 | /* -- Notifier funtions -----------------------------------------*/ |
496 | |
497 | static int wb_smsc_wdt_notify_sys(struct notifier_block *this, |
498 | unsigned long code, void *unused) |
499 | { |
500 | if (code == SYS_DOWN || code == SYS_HALT) { |
501 | /* set timeout to 0, to avoid possible race-condition */ |
502 | timeout = 0; |
503 | wb_smsc_wdt_disable(); |
504 | } |
505 | return NOTIFY_DONE; |
506 | } |
507 | |
508 | /* -- Module's structures ---------------------------------------*/ |
509 | |
510 | static const struct file_operations wb_smsc_wdt_fops = { |
511 | .owner = THIS_MODULE, |
512 | .llseek = no_llseek, |
513 | .write = wb_smsc_wdt_write, |
514 | .unlocked_ioctl = wb_smsc_wdt_ioctl, |
515 | .open = wb_smsc_wdt_open, |
516 | .release = wb_smsc_wdt_release, |
517 | }; |
518 | |
519 | static struct notifier_block wb_smsc_wdt_notifier = { |
520 | .notifier_call = wb_smsc_wdt_notify_sys, |
521 | }; |
522 | |
523 | static struct miscdevice wb_smsc_wdt_miscdev = { |
524 | .minor = WATCHDOG_MINOR, |
525 | .name = "watchdog", |
526 | .fops = &wb_smsc_wdt_fops, |
527 | }; |
528 | |
529 | /* -- Module init functions -------------------------------------*/ |
530 | |
531 | /* module's "constructor" */ |
532 | |
533 | static int __init wb_smsc_wdt_init(void) |
534 | { |
535 | int ret; |
536 | |
537 | printk(KERN_INFO "SMsC 37B787 watchdog component driver " |
538 | VERSION " initialising...\n"); |
539 | |
540 | if (!request_region(IOPORT, IOPORT_SIZE, "SMsC 37B787 watchdog")) { |
541 | printk(KERN_ERR MODNAME "Unable to register IO port %#x\n", |
542 | IOPORT); |
543 | ret = -EBUSY; |
544 | goto out_pnp; |
545 | } |
546 | |
547 | /* set new maximum, if it's too big */ |
548 | if (timeout > MAX_TIMEOUT) |
549 | timeout = MAX_TIMEOUT; |
550 | |
551 | /* init the watchdog timer */ |
552 | wb_smsc_wdt_initialize(); |
553 | |
554 | ret = register_reboot_notifier(&wb_smsc_wdt_notifier); |
555 | if (ret) { |
556 | printk(KERN_ERR MODNAME |
557 | "Unable to register reboot notifier err = %d\n", ret); |
558 | goto out_io; |
559 | } |
560 | |
561 | ret = misc_register(&wb_smsc_wdt_miscdev); |
562 | if (ret) { |
563 | printk(KERN_ERR MODNAME |
564 | "Unable to register miscdev on minor %d\n", |
565 | WATCHDOG_MINOR); |
566 | goto out_rbt; |
567 | } |
568 | |
569 | /* output info */ |
570 | printk(KERN_INFO MODNAME "Timeout set to %d %s.\n", |
571 | timeout, (unit == UNIT_SECOND) ? "second(s)" : "minute(s)"); |
572 | printk(KERN_INFO MODNAME |
573 | "Watchdog initialized and sleeping (nowayout=%d)...\n", |
574 | nowayout); |
575 | out_clean: |
576 | return ret; |
577 | |
578 | out_rbt: |
579 | unregister_reboot_notifier(&wb_smsc_wdt_notifier); |
580 | |
581 | out_io: |
582 | release_region(IOPORT, IOPORT_SIZE); |
583 | |
584 | out_pnp: |
585 | goto out_clean; |
586 | } |
587 | |
588 | /* module's "destructor" */ |
589 | |
590 | static void __exit wb_smsc_wdt_exit(void) |
591 | { |
592 | /* Stop the timer before we leave */ |
593 | if (!nowayout) { |
594 | wb_smsc_wdt_shutdown(); |
595 | printk(KERN_INFO MODNAME "Watchdog disabled.\n"); |
596 | } |
597 | |
598 | misc_deregister(&wb_smsc_wdt_miscdev); |
599 | unregister_reboot_notifier(&wb_smsc_wdt_notifier); |
600 | release_region(IOPORT, IOPORT_SIZE); |
601 | |
602 | printk(KERN_INFO "SMsC 37B787 watchdog component driver removed.\n"); |
603 | } |
604 | |
605 | module_init(wb_smsc_wdt_init); |
606 | module_exit(wb_smsc_wdt_exit); |
607 | |
608 | MODULE_AUTHOR("Sven Anders <anders@anduras.de>"); |
609 | MODULE_DESCRIPTION("Driver for SMsC 37B787 watchdog component (Version " |
610 | VERSION ")"); |
611 | MODULE_LICENSE("GPL"); |
612 | |
613 | MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); |
614 | |
615 | #ifdef SMSC_SUPPORT_MINUTES |
616 | module_param(unit, int, 0); |
617 | MODULE_PARM_DESC(unit, |
618 | "set unit to use, 0=seconds or 1=minutes, default is 0"); |
619 | #endif |
620 | |
621 | module_param(timeout, int, 0); |
622 | MODULE_PARM_DESC(timeout, "range is 1-255 units, default is 60"); |
623 | |
624 | module_param(nowayout, int, 0); |
625 | MODULE_PARM_DESC(nowayout, |
626 | "Watchdog cannot be stopped once started (default=" |
627 | __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); |
628 |
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jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9