Skip to content
  • Madalin Bucur's avatar
    dt-bindings: net: add fsl,erratum-a011043 · 2934d2c6
    Madalin Bucur authored
    
    
    Add an entry for erratum A011043: the MDIO_CFG[MDIO_RD_ER]
    bit may be falsely set when reading internal PCS registers.
    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>
    2934d2c6