diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/apm/xgene/xgene_enet_main.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c index 8d4c1ad2fc60..409152b21191 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c @@ -973,6 +973,17 @@ static enum xgene_ring_owner xgene_derive_ring_owner(struct xgene_enet_pdata *p) return owner; } +static u8 xgene_start_cpu_bufnum(struct xgene_enet_pdata *pdata) +{ + struct device *dev = &pdata->pdev->dev; + u32 cpu_bufnum; + int ret; + + ret = device_property_read_u32(dev, "channel", &cpu_bufnum); + + return (!ret) ? cpu_bufnum : pdata->cpu_bufnum; +} + static int xgene_enet_create_desc_rings(struct net_device *ndev) { struct xgene_enet_pdata *pdata = netdev_priv(ndev); @@ -981,13 +992,15 @@ static int xgene_enet_create_desc_rings(struct net_device *ndev) struct xgene_enet_desc_ring *buf_pool = NULL; enum xgene_ring_owner owner; dma_addr_t dma_exp_bufs; - u8 cpu_bufnum = pdata->cpu_bufnum; + u8 cpu_bufnum; u8 eth_bufnum = pdata->eth_bufnum; u8 bp_bufnum = pdata->bp_bufnum; u16 ring_num = pdata->ring_num; u16 ring_id; int i, ret, size; + cpu_bufnum = xgene_start_cpu_bufnum(pdata); + for (i = 0; i < pdata->rxq_cnt; i++) { /* allocate rx descriptor ring */ owner = xgene_derive_ring_owner(pdata); |