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linux-sg2042
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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>
This commit is contained in:
Giuseppe CAVALLARO 2014-08-25 14:56:18 +02:00 committed by David S. Miller
parent 4c75431ac3
commit 978aded4b3
1 changed files with 6 additions and 7 deletions
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13
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
View File

@ -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);