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15f7d7fc55
i.MX system controller watchdog can support pretimeout IRQ via general SCU MU IRQ, it depends on IMX_SCU and driver MUST be probed after SCU IPC ready, then enable corresponding SCU IRQ group and register SCU IRQ notifier, when watchdog pretimeout IRQ fires, SCU MU IRQ will be handled and watchdog pretimeout notifier will be called to handle the event. Signed-off-by: Anson Huang <Anson.Huang@nxp.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>
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 Restructured Text 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.