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This patch adds support for half duplex operation at 10M and 100M link speeds for AM654x/AM64x devices. - Driver configures rand_seed, a random number, in DMEM HD_RAND_SEED_OFFSET field, which will be used by firmware for Back off time calculation. - Driver informs FW about half duplex link operation in DMEM PORT_LINK_SPEED_OFFSET field by setting bit 7 for 10/100M HD. Hence, the half duplex operation depends on board design the "ti,half-duplex-capable" property has to be enabled for ICSS-G ports if HW is capable to perform half duplex. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Roger Quadros <rogerq@kernel.org> Signed-off-by: MD Danish Anwar <danishanwar@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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| README | ||
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.