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59088b5a94
When taking a network interface down (or removing a SFP module) after the PHY has encountered an error, phy_stop() complains incorrectly that it was called from HALTED state. The reason this is incorrect is that the network driver will have called phy_start() when the interface was brought up, and the fact that the PHY has a problem bears no relationship to the administrative state of the interface. Taking the interface administratively down (which calls phy_stop()) is always the right thing to do after a successful phy_start() call, whether or not the PHY has encountered an error. Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Acked-by: Florian Fainelli <f.fainelli@gmail.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.