watchdog: intel-mid_wdt: Postpone IRQ handler registration till SCU is ready
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: 80ae679b ("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>
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