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The xgmac MDIO bus driver can perform both C22 and C45 transfers.
Create separate functions for each and register the C45 versions using
the new API calls where appropriate.
While at it, remove the misleading comment. According to Vladimir
Oltean:
- miimcom is a register accessed by fsl_pq_mdio.c, not by xgmac_mdio.c
- "device dev" doesn't really refer to anything (maybe "dev_addr").
- I don't understand what is meant by the comment "All PHY
configuration has to be done through the TSEC1 MIIM regs". Or rather
said, I think I understand, but it is irrelevant to the driver for 2
reasons:
* TSEC devices use the fsl_pq_mdio.c driver, not this one
* It doesn't matter to this driver whose TSEC registers are used for
MDIO access. The driver just works with the registers it's given,
which is a concern for the device tree.
- barring the above, the rest just describes the MDIO bus API, which is
superfluous
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Michael Walle <michael@walle.cc>
Tested-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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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.