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Peter Ujfalusi
7cd8c0adb4
dma_request_slave_channel() is a wrapper on top of dma_request_chan() eating up the error code. Use using dma_request_chan() directly to return the real error code. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20200227123749.24064-2-peter.ujfalusi@ti.com
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.