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Select the host interface configuration according to the capabilities of the host if the host provided them. This is currently provided only when connecting PHY that is inside a SFP. The PHY supports several configurations of host communication: - always communicate with host in 10gbase-r, even if copper speed is lower (rate matching mode), - the same as above but use xaui/rxaui instead of 10gbase-r, - switch host SerDes mode between 10gbase-r, 5gbase-r, 2500base-x and sgmii according to copper speed, - the same as above but use xaui/rxaui instead of 10gbase-r. This mode of host communication, called MACTYPE, is by default selected by strapping pins, but it can be changed in software. This adds support for selecting this mode according to which modes are supported by the host. This allows the kernel to: - support SFP modules with 88X33X0 or 88E21X0 inside them Note: we use mv3310_select_mactype() for both 88X3310 and 88X3340, although 88X3340 does not support XAUI. This is not a problem because 88X3340 does not declare XAUI in it's supported_interfaces, and so this function will never choose that MACTYPE. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> [ rebase, updated, also added support for 88E21X0 ] Signed-off-by: Marek Behún <kabel@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net> |
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| fs | ||
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| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
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| net | ||
| samples | ||
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| 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.