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Applications determine loop support in part by querying the 'pls' sysfs node. Reporting of 'pls' (Private Loop Support) is derived from the descriptor returned by the COMMON_GET_SLI4_PARAMETERS mailbox command, which is issued during initialization or after a reset. The value of this field may change if there is a dynamic SFP change. The driver currently will not pick up the change as there was no reset scenario. Rework to commonize the sending of the COMMON_GET_SLI4_PARAMETERS command. Add the calling of the routine after receipt of an async event indicating an SFP change. Link: https://lore.kernel.org/r/20211020211417.88754-4-jsmart2021@gmail.com Co-developed-by: Justin Tee <justin.tee@broadcom.com> Signed-off-by: Justin Tee <justin.tee@broadcom.com> Signed-off-by: James Smart <jsmart2021@gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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.