net: phy: marvell-88q2xxx: add cable test support

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Add cable test support for Marvell 88Q222x devices. Reported distance
granularity is 1m.

1m cable, open:
  Cable test started for device eth0.
  Cable test completed for device eth0.
  Pair A code Open Circuit
  Pair A, fault length: 1.00m

1m cable, shorted:
  Cable test started for device eth0.
  Cable test completed for device eth0.
  Pair A code Short within Pair
  Pair A, fault length: 1.00m

6m cable, open:
  Cable test started for device eth0.
  Cable test completed for device eth0.
  Pair A code Open Circuit
  Pair A, fault length: 6.00m

6m cable, shorted:
  Cable test started for device eth0.
  Cable test completed for device eth0.
  Pair A code Short within Pair
  Pair A, fault length: 6.00m

Signed-off-by: Dimitri Fedrau <dima.fedrau@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20240218075753.18067-10-dima.fedrau@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

...

This commit is contained in:

Dimitri Fedrau 2024-02-18 08:57:46 +01:00 • committed by Jakub Kicinski

parent a557a92e68

commit 560d9a39ae

1 changed files with 107 additions and 0 deletions

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drivers/net/phy/marvell-88q2xxx.c

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