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f9a1d3216a
The k3_udma_glue_tx_get_irq() function currently returns negative error codes on error, zero on error and positive values for success. This complicates life for the callers who need to propagate the error code. Also GCC will not warn about unsigned comparisons when you check: if (unsigned_irq <= 0) All the callers have been fixed now but let's just make this easy going forward. Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Reviewed-by: Roger Quadros <rogerq@kernel.org> Acked-by: Vinod Koul <vkoul@kernel.org> 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.