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The commit3ab1663af6("watchdog: stm32_iwdg: Add pretimeout support") introduces the support for the pre-timeout interrupt. The support for this interrupt is optional but the driver uses the platform_get_irq() which produces an error message during the driver probe if we don't have any `interrupts` property in the DT. Use the platform_get_irq_optional() API to get rid of the error message as this property is optional. Fixes:3ab1663af6("watchdog: stm32_iwdg: Add pretimeout support") Signed-off-by: Clément Le Goffic <clement.legoffic@foss.st.com> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Link: https://lore.kernel.org/r/20241218092227.771133-1-clement.legoffic@foss.st.com 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 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.