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[ Upstream commit f06777cf2bbc21dd8c71d6e3906934e56b4e18e4 ] Intel Over-Clocking Watchdogs are described in ACPI tables by both the generic PNP0C02 _CID and their ACPI _HID. The presence of the _CID then causes the PNP scan handler to attach to the watchdog, preventing the actual watchdog driver from binding. Address this by adding the ACPI _HIDs to the list of non-PNP devices, so that the PNP scan handler is bypassed. Note that these watchdogs can be described by multiple _HIDs for what seems to be identical hardware. This commit is not a complete list of all the possible watchdog ACPI _HIDs. Signed-off-by: Diogo Ivo <diogo.ivo@siemens.com> Link: https://patch.msgid.link/20250317-ivo-intel_oc_wdt-v3-2-32c396f4eefd@siemens.com Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@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.