[PATCH v2 net-next 11/13] net: stmmac: Correctly assing MAX MTU in XGMAC cores case

[Jose Abreu]

Maximum MTU for XGMAC cores is 16k thus the check for presence of XGMAC
shall be done first in order to assign correct value.

Signed-off-by: Jose Abreu <joabreu@xxxxxxxxxxxx>

---
Cc: Giuseppe Cavallaro <peppe.cavallaro@xxxxxx>
Cc: Alexandre Torgue <alexandre.torgue@xxxxxx>
Cc: Jose Abreu <joabreu@xxxxxxxxxxxx>
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Cc: Maxime Coquelin <mcoquelin.stm32@xxxxxxxxx>
Cc: netdev@xxxxxxxxxxxxxxx
Cc: linux-stm32@xxxxxxxxxxxxxxxxxxxxxxxxxxxx
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 5271c6129f0e..c3baca9f587b 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -4542,10 +4542,10 @@ int stmmac_dvr_probe(struct device *device,
 
 	/* MTU range: 46 - hw-specific max */
 	ndev->min_mtu = ETH_ZLEN - ETH_HLEN;
-	if ((priv->plat->enh_desc) || (priv->synopsys_id >= DWMAC_CORE_4_00))
-		ndev->max_mtu = JUMBO_LEN;
-	else if (priv->plat->has_xgmac)
+	if (priv->plat->has_xgmac)
 		ndev->max_mtu = XGMAC_JUMBO_LEN;
+	else if ((priv->plat->enh_desc) || (priv->synopsys_id >= DWMAC_CORE_4_00))
+		ndev->max_mtu = JUMBO_LEN;
 	else
 		ndev->max_mtu = SKB_MAX_HEAD(NET_SKB_PAD + NET_IP_ALIGN);
 	/* Will not overwrite ndev->max_mtu if plat->maxmtu > ndev->max_mtu
-- 
2.7.4