net: dsa: microchip: Add PHY errata workarounds

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The Silicon Errata and Data Sheet Clarification documents for the
KSZ9477 series of chips describe a number of otherwise undocumented PHY
register settings which are required to work around various chip errata.
Apply these settings when initializing the PHY ports on these chips.

Signed-off-by: Robert Hancock <hancock@sedsystems.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Robert Hancock 2019-06-12 14:49:05 -06:00 • committed by David S. Miller

parent 7c86f20d15

commit 1fc3319918

2 changed files with 63 additions and 0 deletions

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62

drivers/net/dsa/microchip/ksz9477.c

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1

drivers/net/dsa/microchip/ksz_priv.h

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