summaryrefslogtreecommitdiffstats
path: root/drivers/net/ethernet/broadcom/genet/bcmgenet.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet/broadcom/genet/bcmgenet.c')
-rw-r--r--drivers/net/ethernet/broadcom/genet/bcmgenet.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index 7396e2823e32..b1f84b37032a 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -3280,7 +3280,7 @@ static void bcmgenet_get_hw_addr(struct bcmgenet_priv *priv,
}
/* Returns a reusable dma control register value */
-static u32 bcmgenet_dma_disable(struct bcmgenet_priv *priv)
+static u32 bcmgenet_dma_disable(struct bcmgenet_priv *priv, bool flush_rx)
{
unsigned int i;
u32 reg;
@@ -3305,6 +3305,14 @@ static u32 bcmgenet_dma_disable(struct bcmgenet_priv *priv)
udelay(10);
bcmgenet_umac_writel(priv, 0, UMAC_TX_FLUSH);
+ if (flush_rx) {
+ reg = bcmgenet_rbuf_ctrl_get(priv);
+ bcmgenet_rbuf_ctrl_set(priv, reg | BIT(0));
+ udelay(10);
+ bcmgenet_rbuf_ctrl_set(priv, reg);
+ udelay(10);
+ }
+
return dma_ctrl;
}
@@ -3368,8 +3376,8 @@ static int bcmgenet_open(struct net_device *dev)
bcmgenet_set_hw_addr(priv, dev->dev_addr);
- /* Disable RX/TX DMA and flush TX queues */
- dma_ctrl = bcmgenet_dma_disable(priv);
+ /* Disable RX/TX DMA and flush TX and RX queues */
+ dma_ctrl = bcmgenet_dma_disable(priv, true);
/* Reinitialize TDMA and RDMA and SW housekeeping */
ret = bcmgenet_init_dma(priv);
@@ -4235,7 +4243,7 @@ static int bcmgenet_resume(struct device *d)
bcmgenet_hfb_create_rxnfc_filter(priv, rule);
/* Disable RX/TX DMA and flush TX queues */
- dma_ctrl = bcmgenet_dma_disable(priv);
+ dma_ctrl = bcmgenet_dma_disable(priv, false);
/* Reinitialize TDMA and RDMA and SW housekeeping */
ret = bcmgenet_init_dma(priv);