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/Documentation/watchdog/
Dwatchdog-parameters.rst21 timeout. Setting this to a non-zero value can be useful to ensure that
43 timeout:
44 Watchdog timeout in seconds. 1<= timeout <=63, default=60.
52 timeout:
53 Watchdog timeout in seconds. (0 < timeout < 18000, default=60
61 timeout:
62 Watchdog timeout in seconds. (1<=timeout<=3600, default=30
82 timeout:
83 Watchdog timeout in seconds. (default=120)
135 Default watchdog0 timeout in 1/10secs
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Dmlx-wdt.rst16 Actual HW timeout can be defined as a power of 2 msec.
17 e.g. timeout 20 sec will be rounded up to 32768 msec.
18 The maximum timeout period is 32 sec (32768 msec.),
22 Actual HW timeout is defined in sec. and it's the same as
23 a user-defined timeout.
24 Maximum timeout is 255 sec.
28 Same as Type 2 with extended maximum timeout period.
29 Maximum timeout is 65535 sec.
59 initial timeout, performed action in expiration and configuration flags.
Dwatchdog-api.rst30 system (causing a reboot) after the timeout occurs.
43 timeout or margin. The simplest way to ping the watchdog is to write
58 after the timeout has passed. Watchdog devices also usually support
92 Setting and getting the timeout
95 For some drivers it is possible to modify the watchdog timeout on the
98 representing the timeout in seconds. The driver returns the real
99 timeout used in the same variable, and this timeout might differ from
102 int timeout = 45;
103 ioctl(fd, WDIOC_SETTIMEOUT, &timeout);
104 printf("The timeout was set to %d seconds\n", timeout);
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Dwatchdog-kernel-api.rst55 unsigned int timeout;
83 * timeout: the watchdog timer's timeout value (in seconds).
87 * min_timeout: the watchdog timer's minimum timeout value (in seconds).
88 If set, the minimum configurable value for 'timeout'.
89 * max_timeout: the watchdog timer's maximum timeout value (in seconds),
91 'timeout'. Not used if max_hw_heartbeat_ms is non-zero.
97 if 'timeout' is larger than max_hw_heartbeat_ms, unless WDOG_ACTIVE
98 is set and userspace failed to send a heartbeat for at least 'timeout'
190 * set_timeout: this routine checks and changes the timeout of the watchdog
193 routine should set the timeout value of the watchdog_device to the
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Dhpwdt.rst31 timeout an alias of soft_margin.
33 This is the number of seconds before timeout when an
42 kdumptimeout Minimum timeout in seconds to apply upon receipt of an NMI
45 value or current timeout value.
56 the pretimeout value after attempting to set pretimeout or timeout.
71 the iLO will proceed to reset the system at timeout if the timer hasn't
/Documentation/userspace-api/media/rc/
Dlirc-get-timeout.rst14 LIRC_GET_MIN_TIMEOUT / LIRC_GET_MAX_TIMEOUT - Obtain the possible timeout
22 ``int ioctl(int fd, LIRC_GET_MIN_TIMEOUT, __u32 *timeout)``
26 ``int ioctl(int fd, LIRC_GET_MAX_TIMEOUT, __u32 *timeout)``
34 ``timeout``
35 Timeout, in microseconds.
43 process. Returns an integer value with the minimum/maximum timeout
48 Some devices have a fixed timeout, in that case
49 both ioctls will return the same value even though the timeout
Dlirc-set-rec-timeout.rst14 LIRC_GET_REC_TIMEOUT/LIRC_SET_REC_TIMEOUT - Get/set the integer value for IR inactivity timeout.
21 ``int ioctl(int fd, LIRC_GET_REC_TIMEOUT, __u32 *timeout)``
25 ``int ioctl(int fd, LIRC_SET_REC_TIMEOUT, __u32 *timeout)``
33 ``timeout``
34 Timeout, in microseconds.
39 Get and set the integer value for IR inactivity timeout.
48 The range of supported timeout is given by :ref:`LIRC_GET_MIN_TIMEOUT`.
/Documentation/ABI/testing/
Dsysfs-bus-fsi-devices-sbefifo1 What: /sys/bus/fsi/devices/XX.XX.00:06/sbefifoX/timeout
6 timeout; i.e. the SBE did not respond within the time allotted
7 by the driver. A value of 1 indicates that a timeout has
8 occurred and no transfers have completed since the timeout. A
9 value of 0 indicates that no timeout has occurred, or if one
Dsysfs-platform-dell-laptop59 To configure the timeout, write to this file a value along
63 For example, to set the timeout to 10 minutes run::
68 expressed in a different unit than the one used when the timeout
72 some systems might fall back to a specific timeout in case
73 an invalid timeout is written to this file.
Dsysfs-class-led-flash26 Hardware timeout for flash, in microseconds. The flash strobe
29 devices that support setting flash timeout.
36 Maximum flash timeout for this LED, in microseconds.
61 * flash-timeout-exceeded
63 the timeout set by the user has expired; not all flash
/Documentation/devicetree/bindings/mfd/
Drohm,bd9576-pmic.yaml61 rohm,hw-timeout-ms:
64 Watchdog timeout in milliseconds. If single value is given it is
65 the maximum timeout. Eg. if pinging watchdog is not done within this time
69 When two values is given the second value is the maximum timeout.
70 # (HW) minimum for short timeout is 2ms, maximum 220 ms.
71 # (HW) minimum for max timeout is 4ms, maximum 4416 ms.
100 rohm,hw-timeout-ms = <150>, <2300>;
/Documentation/devicetree/bindings/watchdog/
Dcdns,wdt-r1p2.yaml15 a programmable reset period. The timeout period varies from 1 ms
35 reset-on-timeout:
59 reset-on-timeout;
60 timeout-sec = <10>;
Dts4800-wdt.txt11 - timeout-sec: contains the watchdog timeout in seconds.
23 timeout-sec = <10>;
Drealtek,otto-wdt.yaml13 The timer has two timeout phases. Both phases have a maximum duration of 32
17 - Phase 1: During this phase, the WDT can be pinged to reset the timeout.
43 - description: interrupt specifier for timeout
53 Specify how the system is reset after a timeout. Defaults to "cpu" if
83 timeout-sec = <20>;
Daspeed,ast2400-wdt.yaml39 reset when a timeout occcurs.
41 Specifying 'cpu' will only reset the processor on a timeout event.
44 on a timeout event. Controllers critical to the SoC's operation may remain
49 Specifying 'system' will reset all controllers on a timeout event, as if
52 Specifying 'none' will cause the timeout event to have no reset effect.
59 region if a timeout occurs.
64 Assert the timeout event on an external signal pin associated with the
Dnuvoton,npcm-wdt.txt4 The watchdog supports a pre-timeout interrupt that fires 10ms before the
21 - timeout-sec : Contains the watchdog timeout in seconds
Dzii,rave-sp-wdt.txt18 - wdt-timeout: Two byte nvmem cell specified as per
28 wdt_timeout: wdt-timeout@8E {
36 nvmem-cell-names = "wdt-timeout";
Dmediatek,mtk-wdt.yaml13 The watchdog supports a pre-timeout interrupt that fires
14 timeout-sec/2 before the expiry.
52 - description: Watchdog pre-timeout (bark) interrupt
86 timeout-sec = <10>;
/Documentation/networking/
Dnf_conntrack-sysctl.rst70 Default for generic timeout. This refers to layer 4 unknown/unsupported
76 Default for ICMP timeout.
81 Default for ICMP6 timeout.
192 This timeout is used to setup conntrack entry on secondary paths.
201 This extended timeout will be used in case there is an UDP stream
210 This extended timeout will be used in case there is an GRE stream
223 Control offload timeout for tcp connections.
230 Control offload timeout for udp connections.
/Documentation/admin-guide/laptops/
Ddisk-shock-protection.rst45 for the specified number of milliseconds. When the timeout expires and
48 timeout is 30000 milliseconds. Exceeding this limit will return
49 -EOVERFLOW, but heads will be parked anyway and the timeout will be
50 set to 30 seconds. However, you can always change a timeout to any
52 before the timeout of the previous one has expired. In particular, the
53 total timeout can exceed 30 seconds and, more importantly, you can
54 cancel a previously set timeout and resume normal operation
55 immediately by specifying a timeout of 0. Values below -2 are rejected
57 timeout specified for a recent head park request has not yet expired,
88 operations on that port will be deferred until the timeout specified
/Documentation/devicetree/bindings/peci/
Dpeci-controller.yaml21 cmd-timeout-ms:
23 Command timeout in units of ms.
31 cmd-timeout-ms = <500>;
/Documentation/devicetree/bindings/hwmon/
Dst,stts751.yaml19 smbus-timeout-disable:
21 When set, the smbus timeout function will be disabled.
39 smbus-timeout-disable;
Dmax6697.txt20 - smbus-timeout-disable
21 Set to disable SMBus timeout. If not specified, SMBus timeout will be
60 smbus-timeout-disable;
/Documentation/locking/
Dhwspinlock.rst101 int hwspin_lock_timeout(struct hwspinlock *hwlock, unsigned int timeout);
103 Lock a previously-assigned hwspinlock with a timeout limit (specified in
105 waiting for it to be released, but give up when the timeout elapses.
112 notably -ETIMEDOUT if the hwspinlock is still busy after timeout msecs).
117 int hwspin_lock_timeout_irq(struct hwspinlock *hwlock, unsigned int timeout);
119 Lock a previously-assigned hwspinlock with a timeout limit (specified in
121 waiting for it to be released, but give up when the timeout elapses.
127 notably -ETIMEDOUT if the hwspinlock is still busy after timeout msecs).
135 Lock a previously-assigned hwspinlock with a timeout limit (specified in
137 waiting for it to be released, but give up when the timeout elapses.
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/Documentation/userspace-api/
Dfutex2.rst26 unsigned int flags, struct timespec *timeout, clockid_t clockid)
57 - The timeout expires, returning ``-ETIMEOUT``.
63 Timeout chapter
66 ``struct timespec *timeout`` argument is an optional argument that points to an
67 absolute timeout. You need to specify the type of clock being used at

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