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27b9ea8f37
Instead of registering one interrupt handler for all four SBUS Quattro HMEs, let each HME register its own handler. To make this work, we don't handle the IRQ if none of the status bits are set. This reduces the complexity of the driver, and makes it easier to ensure things happen before/after enabling IRQs. I'm not really sure why we request IRQs in two different places (and leave them running after removing the driver!). A lot of things in this driver seem to just be crusty, and not necessarily intentional. I'm assuming that's the case here as well. This really needs to be tested by someone with an SBUS Quattro card. Signed-off-by: Sean Anderson <seanga2@gmail.com> Reviewed-by: Simon Horman <simon.horman@corigine.com> 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.