diff options
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/stmmac_main.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 19bba6281dab..1763e48c84e2 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -1449,7 +1449,7 @@ static void free_dma_rx_desc_resources(struct stmmac_priv *priv) static void free_dma_tx_desc_resources(struct stmmac_priv *priv) { u32 tx_count = priv->plat->tx_queues_to_use; - u32 queue = 0; + u32 queue; /* Free TX queue resources */ for (queue = 0; queue < tx_count; queue++) { @@ -1498,7 +1498,7 @@ static int alloc_dma_rx_desc_resources(struct stmmac_priv *priv) sizeof(dma_addr_t), GFP_KERNEL); if (!rx_q->rx_skbuff_dma) - return -ENOMEM; + goto err_dma; rx_q->rx_skbuff = kmalloc_array(DMA_RX_SIZE, sizeof(struct sk_buff *), @@ -1561,13 +1561,13 @@ static int alloc_dma_tx_desc_resources(struct stmmac_priv *priv) sizeof(*tx_q->tx_skbuff_dma), GFP_KERNEL); if (!tx_q->tx_skbuff_dma) - return -ENOMEM; + goto err_dma; tx_q->tx_skbuff = kmalloc_array(DMA_TX_SIZE, sizeof(struct sk_buff *), GFP_KERNEL); if (!tx_q->tx_skbuff) - goto err_dma_buffers; + goto err_dma; if (priv->extend_desc) { tx_q->dma_etx = dma_zalloc_coherent(priv->device, @@ -1577,7 +1577,7 @@ static int alloc_dma_tx_desc_resources(struct stmmac_priv *priv) &tx_q->dma_tx_phy, GFP_KERNEL); if (!tx_q->dma_etx) - goto err_dma_buffers; + goto err_dma; } else { tx_q->dma_tx = dma_zalloc_coherent(priv->device, DMA_TX_SIZE * @@ -1586,13 +1586,13 @@ static int alloc_dma_tx_desc_resources(struct stmmac_priv *priv) &tx_q->dma_tx_phy, GFP_KERNEL); if (!tx_q->dma_tx) - goto err_dma_buffers; + goto err_dma; } } return 0; -err_dma_buffers: +err_dma: free_dma_tx_desc_resources(priv); return ret; @@ -4120,8 +4120,15 @@ int stmmac_dvr_probe(struct device *device, if ((phyaddr >= 0) && (phyaddr <= 31)) priv->plat->phy_addr = phyaddr; - if (priv->plat->stmmac_rst) + if (priv->plat->stmmac_rst) { + ret = reset_control_assert(priv->plat->stmmac_rst); reset_control_deassert(priv->plat->stmmac_rst); + /* Some reset controllers have only reset callback instead of + * assert + deassert callbacks pair. + */ + if (ret == -ENOTSUPP) + reset_control_reset(priv->plat->stmmac_rst); + } /* Init MAC and get the capabilities */ ret = stmmac_hw_init(priv); |
