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Jiri Slaby (SUSE)
b9cea51b65
dma_map_single() provides much easier interface for simple mappings as used for TX in atmel_serial. So switch to that, removing all the s-g unnecessary handling. Note that it is not easy (maybe impossible) to use kfifo_dma_* API for atmel's serial purposes. It handles DMA very specially. Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org> Cc: Richard Genoud <richard.genoud@gmail.com> Cc: Nicolas Ferre <nicolas.ferre@microchip.com> Cc: Alexandre Belloni <alexandre.belloni@bootlin.com> Cc: Claudiu Beznea <claudiu.beznea@tuxon.dev> Cc: linux-arm-kernel@lists.infradead.org Link: https://lore.kernel.org/r/20240405060826.2521-14-jirislaby@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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 reStructuredText 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.