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This driver becomes the first user of the kernel's `ETHTOOL_PHY_EDPD` phy-tunable feature. EDPD is also enabled by default on PHY config_init, but can be disabled via the phy-tunable control. When enabling EDPD, it's also a good idea (for the ADIN PHYs) to enable TX periodic pulses, so that in case the other PHY is also on EDPD mode, there is no lock-up situation where both sides are waiting for the other to transmit. Via the phy-tunable control, TX pulses can be disabled if specifying 0 `tx-interval` via ethtool. The ADIN PHY supports only fixed 1 second intervals; they cannot be configured. That is why the acceptable values are 1, ETHTOOL_PHY_EDPD_DFLT_TX_MSECS and ETHTOOL_PHY_EDPD_NO_TX (which disables TX pulses). Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net> |
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| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| 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.