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