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Commit ceab0797 authored by Madalin Bucur's avatar Madalin Bucur Committed by Greg Kroah-Hartman
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net/fsl: treat fsl,erratum-a011043



[ Upstream commit 1d3ca681b9d9575ccf696ebc2840a1ebb1fd4074 ]

When fsl,erratum-a011043 is set, adjust for erratum A011043:
MDIO reads to internal PCS registers may result in having
the MDIO_CFG[MDIO_RD_ER] bit set, even when there is no
error and read data (MDIO_DATA[MDIO_DATA]) is correct.
Software may get false read error when reading internal
PCS registers through MDIO. As a workaround, all internal
MDIO accesses should ignore the MDIO_CFG[MDIO_RD_ER] bit.

Signed-off-by: default avatarMadalin Bucur <madalin.bucur@oss.nxp.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent bab9f8f3
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