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af7647a0b4
In order to support a flavor of the sja1000 which sometimes freezes, it will be needed upon certain interrupts to perform a soft reset. The soft reset operation takes a bit of time, so better not do it within the hard interrupt handler but rather in a threaded handler. Let's prepare the possibility for sja1000_err() to request "interrupting" the current flow and request the threaded handler to be run while keeping the interrupt line low. There is no functional change. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/all/20230616134553.2786391-1-miquel.raynal@bootlin.com Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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.