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a36c90ab4d
Increase max_timeout value from 55s to 3665038s (1018h 3min 58s) with 38400000 frequency system if the system has 32-bit WTCNT register. cat /sys/class/watchdog/watchdog0/max_timeout 3665038 [ 0.330082] s3c2410-wdt 10060000.watchdog_cl0: Heartbeat: count=1099511400000, timeout=3665038, freq=300000 [ 0.330087] s3c2410-wdt 10060000.watchdog_cl0: Heartbeat: timeout=3665038, divisor=256, count=1099511400000 (fffffc87) [ 0.330127] s3c2410-wdt 10060000.watchdog_cl0: starting watchdog timer [ 0.330134] s3c2410-wdt 10060000.watchdog_cl0: Starting watchdog: count=0xfffffc87, wtcon=0001ff39 [ 0.330319] s3c2410-wdt 10060000.watchdog_cl0: watchdog active, reset enabled, irq disabled If the system has a 32-bit WTCNT, add QUIRK_HAS_32BIT_CNT to its quirk flags, and it will operate with a 32-bit counter. If not, it will operate with a 16-bit counter like in the previous version. Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org> Signed-off-by: Sangwook Shin <sw617.shin@samsung.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org> |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.