sfc: QT2025C: Work around PHY bug

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If we see the PHY remaining stuck in a link-down state due to PCS being
down while PMA/PMD is up, we briefly switch to PMA/PMD loopback and back,
which usually unsticks it.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Matthew Slattery 2009-12-23 13:47:37 +00:00 • committed by David S. Miller

parent a7ebd27a13

commit 17d6aeafe9

1 changed files with 42 additions and 0 deletions

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drivers/net/sfc/qt202x_phy.c

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