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Florian Larysch 49db61c27c net: phy: micrel: fix KSZ8081/KSZ8091 cable test 
Commit 21b688dabe ("net: phy: micrel: Cable Diag feature for lan8814
phy") introduced cable_test support for the LAN8814 that reuses parts of
the KSZ886x logic and introduced the cable_diag_reg and pair_mask
parameters to account for differences between those chips.

However, it did not update the ksz8081_type struct, so those members are
now 0, causing no pairs to be tested in ksz886x_cable_test_get_status
and ksz886x_cable_test_wait_for_completion to poll the wrong register
for the affected PHYs (Basic Control/Reset, which is 0 in normal
operation) and exit immediately.

Fix this by setting both struct members accordingly.

Fixes: 21b688dabe ("net: phy: micrel: Cable Diag feature for lan8814 phy")
Cc: stable@vger.kernel.org
Signed-off-by: Florian Larysch <fl@n621.de>
Link: https://patch.msgid.link/20250723222250.13960-1-fl@n621.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
History 2025-07-25 13:43:24 -07:00
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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.