diff options
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 1ab958769b96..027b566bb9c0 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -3249,9 +3249,6 @@ static int stmmac_init_dma_engine(struct stmmac_priv *priv) return -EINVAL; } - if (priv->extend_desc && (priv->mode == STMMAC_RING_MODE)) - priv->plat->dma_cfg->atds = 1; - ret = stmmac_prereset_configure(priv); if (ret) return ret; @@ -7444,6 +7441,13 @@ static int stmmac_hw_init(struct stmmac_priv *priv) return ret; } + /* Set alternate descriptor size (which tells the hardware that + * descriptors are 8 32-bit words) when using extended descriptors + * with ring mode. Only applicable for pre-v4.0 cores. + */ + if (priv->extend_desc && priv->mode == STMMAC_RING_MODE) + priv->plat->dma_cfg->atds = 1; + /* Rx Watchdog is available in the COREs newer than the 3.40. * In some case, for example on bugged HW this feature * has to be disable and this can be done by passing the |