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fb45c7a31e
In some setups the IRQ signal of the XADC might not be wired to the host system. The driver currently requires that an interrupt is specified. Make the interrupt optional so the driver can be used in such setups where the interrupt is not connected. Since both the internal triggers as well as events depend on the interrupt being connected both are not available when the interrupt is not connected. Buffered access is still supported even without an interrupt since an external trigger can be used. The IRQ is only optional when using the AXI interface, since the PCAP interface needs the IRQ for reading and writing registers. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Link: https://lore.kernel.org/r/20211021125950.28707-1-lars@metafoo.de Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
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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.