Commit 4724ba575ea73431aba8a48be6f5a382c470418d
Committed by
Wim Van Sebroeck
1 parent
8b18085a92
Exists in
master
and in
4 other branches
watchdog: update/improve/consolidate watchdog driver
Move the limited watchdog driver help from kernel-parameters.txt to Documentation/watchdog/watchdog-parameters.txt and add info to it for all watchdog drivers except the ones that have driver-specific files already. Correct minor comments and MODULE_PARM_DESC() text in 2 places. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Showing 6 changed files with 411 additions and 17 deletions Side-by-side Diff
Documentation/kernel-parameters.txt
... | ... | @@ -290,9 +290,6 @@ |
290 | 290 | advansys= [HW,SCSI] |
291 | 291 | See header of drivers/scsi/advansys.c. |
292 | 292 | |
293 | - advwdt= [HW,WDT] Advantech WDT | |
294 | - Format: <iostart>,<iostop> | |
295 | - | |
296 | 293 | aedsp16= [HW,OSS] Audio Excel DSP 16 |
297 | 294 | Format: <io>,<irq>,<dma>,<mss_io>,<mpu_io>,<mpu_irq> |
298 | 295 | See also header of sound/oss/aedsp16.c. |
... | ... | @@ -765,9 +762,6 @@ |
765 | 762 | This option is obsoleted by the "netdev=" option, which |
766 | 763 | has equivalent usage. See its documentation for details. |
767 | 764 | |
768 | - eurwdt= [HW,WDT] Eurotech CPU-1220/1410 onboard watchdog. | |
769 | - Format: <io>[,<irq>] | |
770 | - | |
771 | 765 | failslab= |
772 | 766 | fail_page_alloc= |
773 | 767 | fail_make_request=[KNL] |
... | ... | @@ -2267,9 +2261,6 @@ |
2267 | 2261 | |
2268 | 2262 | sched_debug [KNL] Enables verbose scheduler debug messages. |
2269 | 2263 | |
2270 | - sc1200wdt= [HW,WDT] SC1200 WDT (watchdog) driver | |
2271 | - Format: <io>[,<timeout>[,<isapnp>]] | |
2272 | - | |
2273 | 2264 | scsi_debug_*= [SCSI] |
2274 | 2265 | See drivers/scsi/scsi_debug.c. |
2275 | 2266 | |
... | ... | @@ -2858,8 +2849,10 @@ |
2858 | 2849 | wd7000= [HW,SCSI] |
2859 | 2850 | See header of drivers/scsi/wd7000.c. |
2860 | 2851 | |
2861 | - wdt= [WDT] Watchdog | |
2862 | - See Documentation/watchdog/wdt.txt. | |
2852 | + watchdog timers [HW,WDT] For information on watchdog timers, | |
2853 | + see Documentation/watchdog/watchdog-parameters.txt | |
2854 | + or other driver-specific files in the | |
2855 | + Documentation/watchdog/ directory. | |
2863 | 2856 | |
2864 | 2857 | x2apic_phys [X86-64,APIC] Use x2apic physical mode instead of |
2865 | 2858 | default x2apic cluster mode on platforms |
Documentation/watchdog/00-INDEX
1 | 1 | 00-INDEX |
2 | 2 | - this file. |
3 | +hpwdt.txt | |
4 | + - information on the HP iLO2 NMI watchdog | |
3 | 5 | pcwd-watchdog.txt |
4 | 6 | - documentation for Berkshire Products PC Watchdog ISA cards. |
5 | 7 | src/ |
6 | 8 | - directory holding watchdog related example programs. |
7 | 9 | watchdog-api.txt |
8 | 10 | - description of the Linux Watchdog driver API. |
11 | +watchdog-parameters.txt | |
12 | + - information on driver parameters (for drivers other than | |
13 | + the ones that have driver-specific files here) | |
9 | 14 | wdt.txt |
10 | 15 | - description of the Watchdog Timer Interfaces for Linux. |
Documentation/watchdog/watchdog-parameters.txt
1 | +This file provides information on the module parameters of many of | |
2 | +the Linux watchdog drivers. Watchdog driver parameter specs should | |
3 | +be listed here unless the driver has its own driver-specific information | |
4 | +file. | |
5 | + | |
6 | + | |
7 | +See Documentation/kernel-parameters.txt for information on | |
8 | +providing kernel parameters for builtin drivers versus loadable | |
9 | +modules. | |
10 | + | |
11 | + | |
12 | +------------------------------------------------- | |
13 | +acquirewdt: | |
14 | +wdt_stop: Acquire WDT 'stop' io port (default 0x43) | |
15 | +wdt_start: Acquire WDT 'start' io port (default 0x443) | |
16 | +nowayout: Watchdog cannot be stopped once started | |
17 | + (default=kernel config parameter) | |
18 | +------------------------------------------------- | |
19 | +advantechwdt: | |
20 | +wdt_stop: Advantech WDT 'stop' io port (default 0x443) | |
21 | +wdt_start: Advantech WDT 'start' io port (default 0x443) | |
22 | +timeout: Watchdog timeout in seconds. 1<= timeout <=63, default=60. | |
23 | +nowayout: Watchdog cannot be stopped once started | |
24 | + (default=kernel config parameter) | |
25 | +------------------------------------------------- | |
26 | +alim1535_wdt: | |
27 | +timeout: Watchdog timeout in seconds. (0 < timeout < 18000, default=60 | |
28 | +nowayout: Watchdog cannot be stopped once started | |
29 | + (default=kernel config parameter) | |
30 | +------------------------------------------------- | |
31 | +alim7101_wdt: | |
32 | +timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=30 | |
33 | +use_gpio: Use the gpio watchdog (required by old cobalt boards). | |
34 | + default=0/off/no | |
35 | +nowayout: Watchdog cannot be stopped once started | |
36 | + (default=kernel config parameter) | |
37 | +------------------------------------------------- | |
38 | +ar7_wdt: | |
39 | +margin: Watchdog margin in seconds (default=60) | |
40 | +nowayout: Disable watchdog shutdown on close | |
41 | + (default=kernel config parameter) | |
42 | +------------------------------------------------- | |
43 | +at32ap700x_wdt: | |
44 | +timeout: Timeout value. Limited to be 1 or 2 seconds. (default=2) | |
45 | +nowayout: Watchdog cannot be stopped once started | |
46 | + (default=kernel config parameter) | |
47 | +------------------------------------------------- | |
48 | +at91rm9200_wdt: | |
49 | +wdt_time: Watchdog time in seconds. (default=5) | |
50 | +nowayout: Watchdog cannot be stopped once started | |
51 | + (default=kernel config parameter) | |
52 | +------------------------------------------------- | |
53 | +at91sam9_wdt: | |
54 | +heartbeat: Watchdog heartbeats in seconds. (default = 15) | |
55 | +nowayout: Watchdog cannot be stopped once started | |
56 | + (default=kernel config parameter) | |
57 | +------------------------------------------------- | |
58 | +bcm47xx_wdt: | |
59 | +wdt_time: Watchdog time in seconds. (default=30) | |
60 | +nowayout: Watchdog cannot be stopped once started | |
61 | + (default=kernel config parameter) | |
62 | +------------------------------------------------- | |
63 | +bfin_wdt: | |
64 | +timeout: Watchdog timeout in seconds. (1<=timeout<=((2^32)/SCLK), default=20) | |
65 | +nowayout: Watchdog cannot be stopped once started | |
66 | + (default=kernel config parameter) | |
67 | +------------------------------------------------- | |
68 | +coh901327_wdt: | |
69 | +margin: Watchdog margin in seconds (default 60s) | |
70 | +------------------------------------------------- | |
71 | +cpu5wdt: | |
72 | +port: base address of watchdog card, default is 0x91 | |
73 | +verbose: be verbose, default is 0 (no) | |
74 | +ticks: count down ticks, default is 10000 | |
75 | +------------------------------------------------- | |
76 | +cpwd: | |
77 | +wd0_timeout: Default watchdog0 timeout in 1/10secs | |
78 | +wd1_timeout: Default watchdog1 timeout in 1/10secs | |
79 | +wd2_timeout: Default watchdog2 timeout in 1/10secs | |
80 | +------------------------------------------------- | |
81 | +davinci_wdt: | |
82 | +heartbeat: Watchdog heartbeat period in seconds from 1 to 600, default 60 | |
83 | +------------------------------------------------- | |
84 | +ep93xx_wdt: | |
85 | +nowayout: Watchdog cannot be stopped once started | |
86 | +timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=TBD) | |
87 | +------------------------------------------------- | |
88 | +eurotechwdt: | |
89 | +nowayout: Watchdog cannot be stopped once started | |
90 | + (default=kernel config parameter) | |
91 | +io: Eurotech WDT io port (default=0x3f0) | |
92 | +irq: Eurotech WDT irq (default=10) | |
93 | +ev: Eurotech WDT event type (default is `int') | |
94 | +------------------------------------------------- | |
95 | +gef_wdt: | |
96 | +nowayout: Watchdog cannot be stopped once started | |
97 | + (default=kernel config parameter) | |
98 | +------------------------------------------------- | |
99 | +geodewdt: | |
100 | +timeout: Watchdog timeout in seconds. 1<= timeout <=131, default=60. | |
101 | +nowayout: Watchdog cannot be stopped once started | |
102 | + (default=kernel config parameter) | |
103 | +------------------------------------------------- | |
104 | +i6300esb: | |
105 | +heartbeat: Watchdog heartbeat in seconds. (1<heartbeat<2046, default=30) | |
106 | +nowayout: Watchdog cannot be stopped once started | |
107 | + (default=kernel config parameter) | |
108 | +------------------------------------------------- | |
109 | +iTCO_wdt: | |
110 | +heartbeat: Watchdog heartbeat in seconds. | |
111 | + (2<heartbeat<39 (TCO v1) or 613 (TCO v2), default=30) | |
112 | +nowayout: Watchdog cannot be stopped once started | |
113 | + (default=kernel config parameter) | |
114 | +------------------------------------------------- | |
115 | +iTCO_vendor_support: | |
116 | +vendorsupport: iTCO vendor specific support mode, default=0 (none), | |
117 | + 1=SuperMicro Pent3, 2=SuperMicro Pent4+, 911=Broken SMI BIOS | |
118 | +------------------------------------------------- | |
119 | +ib700wdt: | |
120 | +timeout: Watchdog timeout in seconds. 0<= timeout <=30, default=30. | |
121 | +nowayout: Watchdog cannot be stopped once started | |
122 | + (default=kernel config parameter) | |
123 | +------------------------------------------------- | |
124 | +ibmasr: | |
125 | +nowayout: Watchdog cannot be stopped once started | |
126 | + (default=kernel config parameter) | |
127 | +------------------------------------------------- | |
128 | +indydog: | |
129 | +nowayout: Watchdog cannot be stopped once started | |
130 | + (default=kernel config parameter) | |
131 | +------------------------------------------------- | |
132 | +iop_wdt: | |
133 | +nowayout: Watchdog cannot be stopped once started | |
134 | + (default=kernel config parameter) | |
135 | +------------------------------------------------- | |
136 | +it8712f_wdt: | |
137 | +margin: Watchdog margin in seconds (default 60) | |
138 | +nowayout: Disable watchdog shutdown on close | |
139 | + (default=kernel config parameter) | |
140 | +------------------------------------------------- | |
141 | +it87_wdt: | |
142 | +nogameport: Forbid the activation of game port, default=0 | |
143 | +exclusive: Watchdog exclusive device open, default=1 | |
144 | +timeout: Watchdog timeout in seconds, default=60 | |
145 | +testmode: Watchdog test mode (1 = no reboot), default=0 | |
146 | +nowayout: Watchdog cannot be stopped once started | |
147 | + (default=kernel config parameter) | |
148 | +------------------------------------------------- | |
149 | +ixp2000_wdt: | |
150 | +heartbeat: Watchdog heartbeat in seconds (default 60s) | |
151 | +nowayout: Watchdog cannot be stopped once started | |
152 | + (default=kernel config parameter) | |
153 | +------------------------------------------------- | |
154 | +ixp4xx_wdt: | |
155 | +heartbeat: Watchdog heartbeat in seconds (default 60s) | |
156 | +nowayout: Watchdog cannot be stopped once started | |
157 | + (default=kernel config parameter) | |
158 | +------------------------------------------------- | |
159 | +ks8695_wdt: | |
160 | +wdt_time: Watchdog time in seconds. (default=5) | |
161 | +nowayout: Watchdog cannot be stopped once started | |
162 | + (default=kernel config parameter) | |
163 | +------------------------------------------------- | |
164 | +machzwd: | |
165 | +nowayout: Watchdog cannot be stopped once started | |
166 | + (default=kernel config parameter) | |
167 | +action: after watchdog resets, generate: | |
168 | + 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI | |
169 | +------------------------------------------------- | |
170 | +max63xx_wdt: | |
171 | +heartbeat: Watchdog heartbeat period in seconds from 1 to 60, default 60 | |
172 | +nowayout: Watchdog cannot be stopped once started | |
173 | + (default=kernel config parameter) | |
174 | +nodelay: Force selection of a timeout setting without initial delay | |
175 | + (max6373/74 only, default=0) | |
176 | +------------------------------------------------- | |
177 | +mixcomwd: | |
178 | +nowayout: Watchdog cannot be stopped once started | |
179 | + (default=kernel config parameter) | |
180 | +------------------------------------------------- | |
181 | +mpc8xxx_wdt: | |
182 | +timeout: Watchdog timeout in ticks. (0<timeout<65536, default=65535) | |
183 | +reset: Watchdog Interrupt/Reset Mode. 0 = interrupt, 1 = reset | |
184 | +nowayout: Watchdog cannot be stopped once started | |
185 | + (default=kernel config parameter) | |
186 | +------------------------------------------------- | |
187 | +mpcore_wdt: | |
188 | +mpcore_margin: MPcore timer margin in seconds. | |
189 | + (0 < mpcore_margin < 65536, default=60) | |
190 | +nowayout: Watchdog cannot be stopped once started | |
191 | + (default=kernel config parameter) | |
192 | +mpcore_noboot: MPcore watchdog action, set to 1 to ignore reboots, | |
193 | + 0 to reboot (default=0 | |
194 | +------------------------------------------------- | |
195 | +mv64x60_wdt: | |
196 | +nowayout: Watchdog cannot be stopped once started | |
197 | + (default=kernel config parameter) | |
198 | +------------------------------------------------- | |
199 | +nuc900_wdt: | |
200 | +heartbeat: Watchdog heartbeats in seconds. | |
201 | + (default = 15) | |
202 | +nowayout: Watchdog cannot be stopped once started | |
203 | + (default=kernel config parameter) | |
204 | +------------------------------------------------- | |
205 | +omap_wdt: | |
206 | +timer_margin: initial watchdog timeout (in seconds) | |
207 | +------------------------------------------------- | |
208 | +orion_wdt: | |
209 | +heartbeat: Initial watchdog heartbeat in seconds | |
210 | +nowayout: Watchdog cannot be stopped once started | |
211 | + (default=kernel config parameter) | |
212 | +------------------------------------------------- | |
213 | +pc87413_wdt: | |
214 | +io: pc87413 WDT I/O port (default: io). | |
215 | +timeout: Watchdog timeout in minutes (default=timeout). | |
216 | +nowayout: Watchdog cannot be stopped once started | |
217 | + (default=kernel config parameter) | |
218 | +------------------------------------------------- | |
219 | +pika_wdt: | |
220 | +heartbeat: Watchdog heartbeats in seconds. (default = 15) | |
221 | +nowayout: Watchdog cannot be stopped once started | |
222 | + (default=kernel config parameter) | |
223 | +------------------------------------------------- | |
224 | +pnx4008_wdt: | |
225 | +heartbeat: Watchdog heartbeat period in seconds from 1 to 60, default 19 | |
226 | +nowayout: Set to 1 to keep watchdog running after device release | |
227 | +------------------------------------------------- | |
228 | +pnx833x_wdt: | |
229 | +timeout: Watchdog timeout in Mhz. (68Mhz clock), default=2040000000 (30 seconds) | |
230 | +nowayout: Watchdog cannot be stopped once started | |
231 | + (default=kernel config parameter) | |
232 | +start_enabled: Watchdog is started on module insertion (default=1) | |
233 | +------------------------------------------------- | |
234 | +rc32434_wdt: | |
235 | +timeout: Watchdog timeout value, in seconds (default=20) | |
236 | +nowayout: Watchdog cannot be stopped once started | |
237 | + (default=kernel config parameter) | |
238 | +------------------------------------------------- | |
239 | +riowd: | |
240 | +riowd_timeout: Watchdog timeout in minutes (default=1) | |
241 | +------------------------------------------------- | |
242 | +s3c2410_wdt: | |
243 | +tmr_margin: Watchdog tmr_margin in seconds. (default=15) | |
244 | +tmr_atboot: Watchdog is started at boot time if set to 1, default=0 | |
245 | +nowayout: Watchdog cannot be stopped once started | |
246 | + (default=kernel config parameter) | |
247 | +soft_noboot: Watchdog action, set to 1 to ignore reboots, 0 to reboot | |
248 | +debug: Watchdog debug, set to >1 for debug, (default 0) | |
249 | +------------------------------------------------- | |
250 | +sa1100_wdt: | |
251 | +margin: Watchdog margin in seconds (default 60s) | |
252 | +------------------------------------------------- | |
253 | +sb_wdog: | |
254 | +timeout: Watchdog timeout in microseconds (max/default 8388607 or 8.3ish secs) | |
255 | +------------------------------------------------- | |
256 | +sbc60xxwdt: | |
257 | +wdt_stop: SBC60xx WDT 'stop' io port (default 0x45) | |
258 | +wdt_start: SBC60xx WDT 'start' io port (default 0x443) | |
259 | +timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=30) | |
260 | +nowayout: Watchdog cannot be stopped once started | |
261 | + (default=kernel config parameter) | |
262 | +------------------------------------------------- | |
263 | +sbc7240_wdt: | |
264 | +timeout: Watchdog timeout in seconds. (1<=timeout<=255, default=30) | |
265 | +nowayout: Disable watchdog when closing device file | |
266 | +------------------------------------------------- | |
267 | +sbc8360: | |
268 | +timeout: Index into timeout table (0-63) (default=27 (60s)) | |
269 | +nowayout: Watchdog cannot be stopped once started | |
270 | + (default=kernel config parameter) | |
271 | +------------------------------------------------- | |
272 | +sbc_epx_c3: | |
273 | +nowayout: Watchdog cannot be stopped once started | |
274 | + (default=kernel config parameter) | |
275 | +------------------------------------------------- | |
276 | +sbc_fitpc2_wdt: | |
277 | +margin: Watchdog margin in seconds (default 60s) | |
278 | +nowayout: Watchdog cannot be stopped once started | |
279 | +------------------------------------------------- | |
280 | +sc1200wdt: | |
281 | +isapnp: When set to 0 driver ISA PnP support will be disabled (default=1) | |
282 | +io: io port | |
283 | +timeout: range is 0-255 minutes, default is 1 | |
284 | +nowayout: Watchdog cannot be stopped once started | |
285 | + (default=kernel config parameter) | |
286 | +------------------------------------------------- | |
287 | +sc520_wdt: | |
288 | +timeout: Watchdog timeout in seconds. (1 <= timeout <= 3600, default=30) | |
289 | +nowayout: Watchdog cannot be stopped once started | |
290 | + (default=kernel config parameter) | |
291 | +------------------------------------------------- | |
292 | +sch311x_wdt: | |
293 | +force_id: Override the detected device ID | |
294 | +therm_trip: Should a ThermTrip trigger the reset generator | |
295 | +timeout: Watchdog timeout in seconds. 1<= timeout <=15300, default=60 | |
296 | +nowayout: Watchdog cannot be stopped once started | |
297 | + (default=kernel config parameter) | |
298 | +------------------------------------------------- | |
299 | +scx200_wdt: | |
300 | +margin: Watchdog margin in seconds | |
301 | +nowayout: Disable watchdog shutdown on close | |
302 | +------------------------------------------------- | |
303 | +shwdt: | |
304 | +clock_division_ratio: Clock division ratio. Valid ranges are from 0x5 (1.31ms) | |
305 | + to 0x7 (5.25ms). (default=7) | |
306 | +heartbeat: Watchdog heartbeat in seconds. (1 <= heartbeat <= 3600, default=30 | |
307 | +nowayout: Watchdog cannot be stopped once started | |
308 | + (default=kernel config parameter) | |
309 | +------------------------------------------------- | |
310 | +smsc37b787_wdt: | |
311 | +timeout: range is 1-255 units, default is 60 | |
312 | +nowayout: Watchdog cannot be stopped once started | |
313 | + (default=kernel config parameter) | |
314 | +------------------------------------------------- | |
315 | +softdog: | |
316 | +soft_margin: Watchdog soft_margin in seconds. | |
317 | + (0 < soft_margin < 65536, default=60) | |
318 | +nowayout: Watchdog cannot be stopped once started | |
319 | + (default=kernel config parameter) | |
320 | +soft_noboot: Softdog action, set to 1 to ignore reboots, 0 to reboot | |
321 | + (default=0) | |
322 | +------------------------------------------------- | |
323 | +stmp3xxx_wdt: | |
324 | +heartbeat: Watchdog heartbeat period in seconds from 1 to 4194304, default 19 | |
325 | +------------------------------------------------- | |
326 | +ts72xx_wdt: | |
327 | +timeout: Watchdog timeout in seconds. (1 <= timeout <= 8, default=8) | |
328 | +nowayout: Disable watchdog shutdown on close | |
329 | +------------------------------------------------- | |
330 | +twl4030_wdt: | |
331 | +nowayout: Watchdog cannot be stopped once started | |
332 | + (default=kernel config parameter) | |
333 | +------------------------------------------------- | |
334 | +txx9wdt: | |
335 | +timeout: Watchdog timeout in seconds. (0<timeout<N, default=60) | |
336 | +nowayout: Watchdog cannot be stopped once started | |
337 | + (default=kernel config parameter) | |
338 | +------------------------------------------------- | |
339 | +w83627hf_wdt: | |
340 | +wdt_io: w83627hf/thf WDT io port (default 0x2E) | |
341 | +timeout: Watchdog timeout in seconds. 1 <= timeout <= 255, default=60. | |
342 | +nowayout: Watchdog cannot be stopped once started | |
343 | + (default=kernel config parameter) | |
344 | +------------------------------------------------- | |
345 | +w83697hf_wdt: | |
346 | +wdt_io: w83697hf/hg WDT io port (default 0x2e, 0 = autodetect) | |
347 | +timeout: Watchdog timeout in seconds. 1<= timeout <=255 (default=60) | |
348 | +nowayout: Watchdog cannot be stopped once started | |
349 | + (default=kernel config parameter) | |
350 | +early_disable: Watchdog gets disabled at boot time (default=1) | |
351 | +------------------------------------------------- | |
352 | +w83697ug_wdt: | |
353 | +wdt_io: w83697ug/uf WDT io port (default 0x2e) | |
354 | +timeout: Watchdog timeout in seconds. 1<= timeout <=255 (default=60) | |
355 | +nowayout: Watchdog cannot be stopped once started | |
356 | + (default=kernel config parameter) | |
357 | +------------------------------------------------- | |
358 | +w83877f_wdt: | |
359 | +timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=30) | |
360 | +nowayout: Watchdog cannot be stopped once started | |
361 | + (default=kernel config parameter) | |
362 | +------------------------------------------------- | |
363 | +w83977f_wdt: | |
364 | +timeout: Watchdog timeout in seconds (15..7635), default=45) | |
365 | +testmode: Watchdog testmode (1 = no reboot), default=0 | |
366 | +nowayout: Watchdog cannot be stopped once started | |
367 | + (default=kernel config parameter) | |
368 | +------------------------------------------------- | |
369 | +wafer5823wdt: | |
370 | +timeout: Watchdog timeout in seconds. 1 <= timeout <= 255, default=60. | |
371 | +nowayout: Watchdog cannot be stopped once started | |
372 | + (default=kernel config parameter) | |
373 | +------------------------------------------------- | |
374 | +wdt285: | |
375 | +soft_margin: Watchdog timeout in seconds (default=60) | |
376 | +------------------------------------------------- | |
377 | +wdt977: | |
378 | +timeout: Watchdog timeout in seconds (60..15300, default=60) | |
379 | +testmode: Watchdog testmode (1 = no reboot), default=0 | |
380 | +nowayout: Watchdog cannot be stopped once started | |
381 | + (default=kernel config parameter) | |
382 | +------------------------------------------------- | |
383 | +wm831x_wdt: | |
384 | +nowayout: Watchdog cannot be stopped once started | |
385 | + (default=kernel config parameter) | |
386 | +------------------------------------------------- | |
387 | +wm8350_wdt: | |
388 | +nowayout: Watchdog cannot be stopped once started | |
389 | + (default=kernel config parameter) | |
390 | +------------------------------------------------- |
Documentation/watchdog/wdt.txt
... | ... | @@ -14,14 +14,22 @@ |
14 | 14 | boards physically pull the machine down off their own onboard timers and |
15 | 15 | will reboot from almost anything. |
16 | 16 | |
17 | -A second temperature monitoring interface is available on the WDT501P cards | |
17 | +A second temperature monitoring interface is available on the WDT501P cards. | |
18 | 18 | This provides /dev/temperature. This is the machine internal temperature in |
19 | 19 | degrees Fahrenheit. Each read returns a single byte giving the temperature. |
20 | 20 | |
21 | 21 | The third interface logs kernel messages on additional alert events. |
22 | 22 | |
23 | -The wdt card cannot be safely probed for. Instead you need to pass | |
24 | -wdt=ioaddr,irq as a boot parameter - eg "wdt=0x240,11". | |
23 | +The ICS ISA-bus wdt card cannot be safely probed for. Instead you need to | |
24 | +pass IO address and IRQ boot parameters. E.g.: | |
25 | + wdt.io=0x240 wdt.irq=11 | |
26 | + | |
27 | +Other "wdt" driver parameters are: | |
28 | + heartbeat Watchdog heartbeat in seconds (default 60) | |
29 | + nowayout Watchdog cannot be stopped once started (kernel | |
30 | + build parameter) | |
31 | + tachometer WDT501-P Fan Tachometer support (0=disable, default=0) | |
32 | + type WDT501-P Card type (500 or 501, default=500) | |
25 | 33 | |
26 | 34 | Features |
27 | 35 | -------- |
drivers/watchdog/eurotechwdt.c
drivers/watchdog/wdt.c