target/linux/mpc83xx/patches-2.6.32/110-etsec27_war.patch

   1 --- a/drivers/net/gianfar.c
   2 +++ b/drivers/net/gianfar.c
   3 @@ -334,7 +334,14 @@ static int gfar_probe(struct of_device *
   4         /* We need to delay at least 3 TX clocks */
   5         udelay(2);
   6
   7 -       tempval = (MACCFG1_TX_FLOW | MACCFG1_RX_FLOW);
   8 +       /*
   9 +        * Do not enable flow control on chips earlier than rev 1.1,
  10 +        * because of the eTSEC27 erratum
  11 +        */
  12 +       tempval = 0;
  13 +       if (mfspr(SPRN_SVR) & 0xffff >= 0x0011)
  14 +               tempval = (MACCFG1_TX_FLOW | MACCFG1_RX_FLOW);
  15 +
  16         gfar_write(&priv->regs->maccfg1, tempval);
  17
  18         /* Initialize MACCFG2. */