Add support for mapping C22 register access to C45-only PHYs. This is mainly useful for 'mii info' command, which performs C22 only access to determine PHY ID and link state and does not work well with this driver so far.
Signed-off-by: Marek Vasut marek.vasut+renesas@mailbox.org --- Cc: Joe Hershberger joe.hershberger@ni.com Cc: Nobuhiro Iwamatsu iwamatsu@nigauri.org Cc: Ramon Fried rfried.dev@gmail.com Cc: Tom Rini trini@konsulko.com Cc: u-boot@lists.denx.de --- drivers/net/rswitch.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/net/rswitch.c b/drivers/net/rswitch.c index df0c3864b59..06be8b64882 100644 --- a/drivers/net/rswitch.c +++ b/drivers/net/rswitch.c @@ -469,6 +469,8 @@ static int rswitch_mii_read_c45(struct mii_dev *miidev, int phyad, int devad, in /* Access PHY register */ if (devad != MDIO_DEVAD_NONE) /* Definitelly C45 */ val = rswitch_mii_access_c45(etha, true, phyad, devad, regad, 0); + else if (etha->phydev->is_c45) /* C22 access to C45 PHY */ + val = rswitch_mii_access_c45(etha, true, phyad, 1, regad, 0); else val = rswitch_mii_access_c22(etha, true, phyad, regad, 0);
@@ -500,6 +502,8 @@ int rswitch_mii_write_c45(struct mii_dev *miidev, int phyad, int devad, int rega /* Access PHY register */ if (devad != MDIO_DEVAD_NONE) /* Definitelly C45 */ rswitch_mii_access_c45(etha, false, phyad, devad, regad, data); + else if (etha->phydev->is_c45) /* C22 access to C45 PHY */ + rswitch_mii_access_c45(etha, false, phyad, 1, regad, data); else rswitch_mii_access_c22(etha, false, phyad, regad, data);