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e0ba60509d
TJA1102 provides interrupt notification for the critical health states like overtemperature and undervoltage. The overtemperature bit is set if package temperature is beyond 155C°. This functionality was tested by heating the package up to 200C° The undervoltage bit is set if supply voltage drops beyond some critical threshold. Currently not tested. In a typical use case, both of this events should be logged and stored (or send to some remote system) for further investigations. Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
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.