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b7347cdf10
Transceiver module reset through 'rst' field in PMAOS register is not supported on RJ45 ports, so module reset should be rejected. Therefore, before trying to access this field, validate the port module type that was queried during initialization and return an error to user space in case the port module type is RJ45 (twisted pair). Output example: # ethtool --reset swp11 phy ETHTOOL_RESET 0x40 Cannot issue ETHTOOL_RESET: Invalid argument $ dmesg mlxsw_spectrum 0000:03:00.0 swp11: Reset module is not supported on port module type Signed-off-by: Danielle Ratson <danieller@nvidia.com> Signed-off-by: Ido Schimmel <idosch@nvidia.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.