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The mv88e6390_serdes_irq_link_sgmii IRQ handler reads the SERDES PHY status register to determine speed, among other things. If cmode of the port is set to 2500base-x, though, the PHY still reports 1000 Mbps (the PHY register itself does not differentiate between 1000 Mbps and 2500 Mbps - it thinks it is running at 1000 Mbps, although clock is 2.5x faster). Look at the cmode and set SPEED_2500 if cmode is set to 2500base-x. Also tell mv88e6xxx_port_setup_mac the PHY interface mode corresponding to current cmode in terms of phy_interface_t. Signed-off-by: Marek Behún <marek.behun@nic.cz> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Tested-by: Vivien Didelot <vivien.didelot@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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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.