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-arm-ker...@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
---
 drivers/net/ethernet/stmicro/stmmac/dwmac4.h      | 3 ++-
 drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c | 6 ------
 2 files changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4.h 
b/drivers/net/ethernet/stmicro/stmmac/dwmac4.h
index 2ed11a581d80..03301ffc0391 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4.h
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4.h
@@ -352,7 +352,8 @@ enum power_event {
 
 /* Default operating mode of the MAC */
 #define GMAC_CORE_INIT (GMAC_CONFIG_JD | GMAC_CONFIG_PS | \
-                       GMAC_CONFIG_BE | GMAC_CONFIG_DCRS)
+                       GMAC_CONFIG_BE | GMAC_CONFIG_DCRS | \
+                       GMAC_CONFIG_JE)
 
 /* To dump the core regs excluding  the Address Registers */
 #define        GMAC_REG_NUM    132
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c 
b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
index fc9954e4a772..596311a80d1c 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
@@ -25,15 +25,9 @@ static void dwmac4_core_init(struct mac_device_info *hw,
 {
        void __iomem *ioaddr = hw->pcsr;
        u32 value = readl(ioaddr + GMAC_CONFIG);
-       int mtu = dev->mtu;
 
        value |= GMAC_CORE_INIT;
 
-       if (mtu > 1500)
-               value |= GMAC_CONFIG_2K;
-       if (mtu > 2000)
-               value |= GMAC_CONFIG_JE;
-
        if (hw->ps) {
                value |= GMAC_CONFIG_TE;
 
-- 
2.7.4

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