diff options
Diffstat (limited to 'drivers/net/ethernet/renesas')
| -rw-r--r-- | drivers/net/ethernet/renesas/ravb.h | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/renesas/ravb_main.c | 6 |
2 files changed, 5 insertions, 3 deletions
diff --git a/drivers/net/ethernet/renesas/ravb.h b/drivers/net/ethernet/renesas/ravb.h index bdb051f04b0c..a9c89d5d8898 100644 --- a/drivers/net/ethernet/renesas/ravb.h +++ b/drivers/net/ethernet/renesas/ravb.h @@ -193,7 +193,7 @@ enum ravb_reg { GECMR = 0x05b0, MAHR = 0x05c0, MALR = 0x05c8, - TROCR = 0x0700, /* Undocumented? */ + TROCR = 0x0700, /* R-Car Gen3 only */ CEFCR = 0x0740, FRECR = 0x0748, TSFRCR = 0x0750, diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index b538cc6fdbb7..de9aa8c47f1c 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -1621,8 +1621,10 @@ static struct net_device_stats *ravb_get_stats(struct net_device *ndev) stats0 = &priv->stats[RAVB_BE]; stats1 = &priv->stats[RAVB_NC]; - nstats->tx_dropped += ravb_read(ndev, TROCR); - ravb_write(ndev, 0, TROCR); /* (write clear) */ + if (priv->chip_id == RCAR_GEN3) { + nstats->tx_dropped += ravb_read(ndev, TROCR); + ravb_write(ndev, 0, TROCR); /* (write clear) */ + } nstats->rx_packets = stats0->rx_packets + stats1->rx_packets; nstats->tx_packets = stats0->tx_packets + stats1->tx_packets; |