We are already doing it by default in the TX path so we can also enable
Jumbo Frame support in the RX path independently of MTU value.

Signed-off-by: Jose Abreu <joab...@synopsys.com>

---
Cc: Giuseppe Cavallaro <peppe.cavall...@st.com>
Cc: Alexandre Torgue <alexandre.tor...@st.com>
Cc: Jose Abreu <joab...@synopsys.com>
Cc: "David S. Miller" <da...@davemloft.net>
Cc: Maxime Coquelin <mcoquelin.st...@gmail.com>
Cc: net...@vger.kernel.org
Cc: linux-st...@st-md-mailman.stormreply.com
Cc: linux-arm-ker...@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
---
 drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h      |  3 ++-
 drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c | 11 -----------
 2 files changed, 2 insertions(+), 12 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h 
b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h
index f942ac975c29..5923ca62d793 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h
+++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h
@@ -44,7 +44,8 @@
 #define XGMAC_CONFIG_CST               BIT(2)
 #define XGMAC_CONFIG_ACS               BIT(1)
 #define XGMAC_CONFIG_RE                        BIT(0)
-#define XGMAC_CORE_INIT_RX             0
+#define XGMAC_CORE_INIT_RX             (XGMAC_CONFIG_GPSLCE | XGMAC_CONFIG_WD 
| \
+                                        (XGMAC_JUMBO_LEN << 
XGMAC_CONFIG_GPSL_SHIFT))
 #define XGMAC_PACKET_FILTER            0x00000008
 #define XGMAC_FILTER_RA                        BIT(31)
 #define XGMAC_FILTER_IPFE              BIT(20)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c 
b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
index 36262ef8b70a..78ac659da279 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
@@ -15,7 +15,6 @@ static void dwxgmac2_core_init(struct mac_device_info *hw,
                               struct net_device *dev)
 {
        void __iomem *ioaddr = hw->pcsr;
-       int mtu = dev->mtu;
        u32 tx, rx;
 
        tx = readl(ioaddr + XGMAC_TX_CONFIG);
@@ -24,16 +23,6 @@ static void dwxgmac2_core_init(struct mac_device_info *hw,
        tx |= XGMAC_CORE_INIT_TX;
        rx |= XGMAC_CORE_INIT_RX;
 
-       if (mtu >= 9000) {
-               rx |= XGMAC_CONFIG_GPSLCE;
-               rx |= XGMAC_JUMBO_LEN << XGMAC_CONFIG_GPSL_SHIFT;
-               rx |= XGMAC_CONFIG_WD;
-       } else if (mtu > 2000) {
-               rx |= XGMAC_CONFIG_JE;
-       } else if (mtu > 1500) {
-               rx |= XGMAC_CONFIG_S2KP;
-       }
-
        if (hw->ps) {
                tx |= XGMAC_CONFIG_TE;
                tx &= ~hw->link.speed_mask;
-- 
2.7.4

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