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c81d894226
For addressing 4 bytes alignment restriction on transmission buffer for R-Car Gen2 we use 2 descriptors whereas it is a single descriptor for other cases. Replace the macros NUM_TX_DESC_GEN[23] with magic number and add a comment to explain it. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Suggested-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.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.