target/linux/ath79/patches-4.19/900-mdio_bitbang_ignore_ta_value.patch

   1 --- a/drivers/net/phy/mdio-bitbang.c
   2 +++ b/drivers/net/phy/mdio-bitbang.c
   3 @@ -155,7 +155,7 @@ static int mdiobb_cmd_addr(struct mdiobb
   4  static int mdiobb_read(struct mii_bus *bus, int phy, int reg)
   5  {
   6         struct mdiobb_ctrl *ctrl = bus->priv;
   7 -       int ret, i;
   8 +       int ret;
   9
  10         if (reg & MII_ADDR_C45) {
  11                 reg = mdiobb_cmd_addr(ctrl, phy, reg);
  12 @@ -165,19 +165,7 @@ static int mdiobb_read(struct mii_bus *b
  13
  14         ctrl->ops->set_mdio_dir(ctrl, 0);
  15
  16 -       /* check the turnaround bit: the PHY should be driving it to zero, if this
  17 -        * PHY is listed in phy_ignore_ta_mask as having broken TA, skip that
  18 -        */
  19 -       if (mdiobb_get_bit(ctrl) != 0 &&
  20 -           !(bus->phy_ignore_ta_mask & (1 << phy))) {
  21 -               /* PHY didn't drive TA low -- flush any bits it
  22 -                * may be trying to send.
  23 -                */
  24 -               for (i = 0; i < 32; i++)
  25 -                       mdiobb_get_bit(ctrl);
  26 -
  27 -               return 0xffff;
  28 -       }
  29 +       mdiobb_get_bit(ctrl);
  30
  31         ret = mdiobb_get_num(ctrl, 16);
  32         mdiobb_get_bit(ctrl);