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[ Upstream commitf285c9532b] When SCU is not ready and CONFIG_DEBUG_SHIRQ=y we got deferred probe followed by fired test IRQ which immediately makes kernel panic. Fix this by delaying IRQ handler registration till SCU is ready. Fixes:80ae679b8f("watchdog: intel-mid_wdt: Convert to use new SCU IPC API") Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Acked-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Sasha Levin <sashal@kernel.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.