target/linux/mpc83xx/patches-3.14/111-etsec27_war.patch

   1 --- a/drivers/net/ethernet/freescale/gianfar.c
   2 +++ b/drivers/net/ethernet/freescale/gianfar.c
   3 @@ -1050,10 +1050,16 @@ static int gfar_probe(struct platform_de
   4         udelay(2);
   5
   6         tempval = 0;
   7 -       if (!priv->pause_aneg_en && priv->tx_pause_en)
   8 -               tempval |= MACCFG1_TX_FLOW;
   9 -       if (!priv->pause_aneg_en && priv->rx_pause_en)
  10 -               tempval |= MACCFG1_RX_FLOW;
  11 +       /*
  12 +        * Do not enable flow control on chips earlier than rev 1.1,
  13 +        * because of the eTSEC27 erratum
  14 +        */
  15 +       if ((mfspr(SPRN_SVR) & 0xffff) >= 0x0011) {
  16 +               if (!priv->pause_aneg_en && priv->tx_pause_en)
  17 +                       tempval |= MACCFG1_TX_FLOW;
  18 +               if (!priv->pause_aneg_en && priv->rx_pause_en)
  19 +                       tempval |= MACCFG1_RX_FLOW;
  20 +       }
  21         /* the soft reset bit is not self-resetting, so we need to
  22          * clear it before resuming normal operation
  23          */