Commit b5a4a3eb authored by Iyappan Subramanian's avatar Iyappan Subramanian Committed by David S. Miller

drivers: net: xgene: fix: Disable coalescing on v1 hardware

Since ethernet v1 hardware has a bug related to coalescing, disabling
this feature.
Signed-off-by: default avatarIyappan Subramanian <isubramanian@apm.com>
Signed-off-by: default avatarToan Le <toanle@apm.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 2c8657d2
......@@ -204,17 +204,6 @@ static u32 xgene_enet_ring_len(struct xgene_enet_desc_ring *ring)
return num_msgs;
}
static void xgene_enet_setup_coalescing(struct xgene_enet_desc_ring *ring)
{
u32 data = 0x7777;
xgene_enet_ring_wr32(ring, CSR_PBM_COAL, 0x8e);
xgene_enet_ring_wr32(ring, CSR_PBM_CTICK1, data);
xgene_enet_ring_wr32(ring, CSR_PBM_CTICK2, data << 16);
xgene_enet_ring_wr32(ring, CSR_THRESHOLD0_SET1, 0x40);
xgene_enet_ring_wr32(ring, CSR_THRESHOLD1_SET1, 0x80);
}
void xgene_enet_parse_error(struct xgene_enet_desc_ring *ring,
struct xgene_enet_pdata *pdata,
enum xgene_enet_err_code status)
......@@ -929,5 +918,4 @@ struct xgene_ring_ops xgene_ring1_ops = {
.clear = xgene_enet_clear_ring,
.wr_cmd = xgene_enet_wr_cmd,
.len = xgene_enet_ring_len,
.coalesce = xgene_enet_setup_coalescing,
};
......@@ -1188,7 +1188,8 @@ static int xgene_enet_create_desc_rings(struct net_device *ndev)
tx_ring->dst_ring_num = xgene_enet_dst_ring_num(cp_ring);
}
pdata->ring_ops->coalesce(pdata->tx_ring[0]);
if (pdata->ring_ops->coalesce)
pdata->ring_ops->coalesce(pdata->tx_ring[0]);
pdata->tx_qcnt_hi = pdata->tx_ring[0]->slots - 128;
return 0;
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment