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3c5e487808
The functions qcaspi_netdev_open/close are responsible of request & free of the SPI interrupt, which wasn't the best choice because allocation problems are discovered not during probe. So let us split IRQ allocation & enabling, so we can take advantage of a device managed IRQ. Signed-off-by: Stefan Wahren <wahrenst@gmx.net> Reviewed-by: Jacob Keller <jacob.e.keller@intel.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.