The MxL862xx firmware offers opt-in CRC validation on the MDIO/MMD
command interface to guard against bit errors on the bus.
The driver has not used this until now.

This series enables CRC protection on both the command registers (CRC-6)
and data payloads (CRC-16), and reduces MDIO bus traffic by bulk-zeroing
registers instead of writing zero-valued words individually.

Daniel Golle (2):
  net: dsa: mxl862xx: add CRC for MDIO communication
  net: dsa: mxl862xx: use RST_DATA to skip writing zero words

 drivers/net/dsa/mxl862xx/Kconfig         |   1 +
 drivers/net/dsa/mxl862xx/mxl862xx-host.c | 365 ++++++++++++++++++-----
 2 files changed, 297 insertions(+), 69 deletions(-)

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2.53.0