diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/renesas/ravb_main.c | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index c6bab0dfd3bc..1ea25a8d208e 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -236,10 +236,30 @@ static int ravb_tx_free(struct net_device *ndev, int q, bool free_txed_only) static void ravb_rx_ring_free_gbeth(struct net_device *ndev, int q) { - /* Place holder */ + struct ravb_private *priv = netdev_priv(ndev); + unsigned int ring_size; + unsigned int i; + + if (!priv->gbeth_rx_ring) + return; + + for (i = 0; i < priv->num_rx_ring[q]; i++) { + struct ravb_rx_desc *desc = &priv->gbeth_rx_ring[i]; + + if (!dma_mapping_error(ndev->dev.parent, + le32_to_cpu(desc->dptr))) + dma_unmap_single(ndev->dev.parent, + le32_to_cpu(desc->dptr), + GBETH_RX_BUFF_MAX, + DMA_FROM_DEVICE); + } + ring_size = sizeof(struct ravb_rx_desc) * (priv->num_rx_ring[q] + 1); + dma_free_coherent(ndev->dev.parent, ring_size, priv->gbeth_rx_ring, + priv->rx_desc_dma[q]); + priv->gbeth_rx_ring = NULL; } -static void ravb_rx_ring_free(struct net_device *ndev, int q) +static void ravb_rx_ring_free_rcar(struct net_device *ndev, int q) { struct ravb_private *priv = netdev_priv(ndev); unsigned int ring_size; @@ -2189,7 +2209,7 @@ static int ravb_mdio_release(struct ravb_private *priv) } static const struct ravb_hw_info ravb_gen3_hw_info = { - .rx_ring_free = ravb_rx_ring_free, + .rx_ring_free = ravb_rx_ring_free_rcar, .rx_ring_format = ravb_rx_ring_format, .alloc_rx_desc = ravb_alloc_rx_desc_rcar, .receive = ravb_rcar_rx, @@ -2214,7 +2234,7 @@ static const struct ravb_hw_info ravb_gen3_hw_info = { }; static const struct ravb_hw_info ravb_gen2_hw_info = { - .rx_ring_free = ravb_rx_ring_free, + .rx_ring_free = ravb_rx_ring_free_rcar, .rx_ring_format = ravb_rx_ring_format, .alloc_rx_desc = ravb_alloc_rx_desc_rcar, .receive = ravb_rcar_rx, |