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Russell King says: ==================== net: add phylink managed EEE support Adding managed EEE support to phylink has been on the cards ever since the idea in phylib was mooted. This overly large series attempts to do so. I've included all the patches as it's important to get the driver patches out there. Patch 1 adds a definition for the clock stop capable bit in the PCS MMD status register. Patch 2 adds a phylib API to query whether the PHY allows the transmit xMII clock to be stopped while in LPI mode. This capability is for MAC drivers to save power when LPI is active, to allow them to stop their transmit clock. Patch 3 extracts a phylink internal helper for determining whether the link is up. Patch 4 adds basic phylink managed EEE support. Two new MAC APIs are added, to enable and disable LPI. The enable method is passed the LPI timer setting which it is expected to program into the hardware, and also a flag ehther the transmit clock should be stopped. I have taken the decision to make enable_tx_lpi() to return an error code, but not do much with it other than report it - the intention being that we can later use it to extend functionality if needed without reworking loads of drivers. I have also dropped the validation/limitation of the LPI timer, and left that in the driver code prior to calling phylink_ethtool_set_eee(). The remainder of the patches convert mvneta, lan743x and stmmac, and add support for mvneta. ==================== Link: https://patch.msgid.link/Z4gdtOaGsBhQCZXn@shell.armlinux.org.uk Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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| kernel | ||
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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 reStructuredText 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.