stmmac: fix rx checksum programming

This patch is to fix the IPC bit into the GMAC control register
that must be done after the core initialization otherwise it will
not have any effect.

Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 08addd65372818f48075b585eeb1d36ab682025b..51a89d4bb1252a0f9d63bbae5b820f851dcfce83 100644 (file)
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1637,6 +1637,12 @@ static int stmmac_hw_setup(struct net_device *dev)
        /* Initialize the MAC Core */
        priv->hw->mac->core_init(priv->hw, dev->mtu);
 
+       ret = priv->hw->mac->rx_ipc(priv->hw);
+       if (!ret) {
+               pr_warn(" RX IPC Checksum Offload disabled\n");
+               priv->plat->rx_coe = STMMAC_RX_COE_NONE;
+       }
+
        /* Enable the MAC Rx/Tx */
        stmmac_set_mac(priv->ioaddr, true);
 
@@ -2592,7 +2598,6 @@ static const struct net_device_ops stmmac_netdev_ops = {
  */
 static int stmmac_hw_init(struct stmmac_priv *priv)
 {
-       int ret;
        struct mac_device_info *mac;
 
        /* Identify the MAC HW device */
@@ -2649,12 +2654,6 @@ static int stmmac_hw_init(struct stmmac_priv *priv)
        /* To use alternate (extended) or normal descriptor structures */
        stmmac_selec_desc_mode(priv);
 
-       ret = priv->hw->mac->rx_ipc(priv->hw);
-       if (!ret) {
-               pr_warn(" RX IPC Checksum Offload not configured.\n");
-               priv->plat->rx_coe = STMMAC_RX_COE_NONE;
-       }
-
        if (priv->plat->rx_coe)
                pr_info(" RX Checksum Offload Engine supported (type %d)\n",
                        priv->plat->rx_coe);