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Heiner Kallweit says: ==================== net: phy: fix WoL handling when suspending the PHY phy_suspend doesn't always recognize that WoL is enabled and therefore suspends the PHY when it should not. First idea to address the issue was to reuse checks used in mdio_bus_phy_may_suspend which check whether relevant devices are wakeup-enabled. Florian raised some concerns because drivers may enable wakeup even if WoL isn't enabled (e.g. certain USB network drivers). The new approach focuses on reducing the risk to break existing stuff. We add a flag wol_enabled to struct net_device which is set in ethtool_set_wol(). Then this flag is checked in phy_suspend(). This doesn't cover 100% of the cases yet (e.g. if WoL is enabled w/o explicit configuration), but it covers the most relevant cases with very little risk of regressions. v2: - Fix a typo ==================== 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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.