---

yaml
---
r: 265748
b: refs/heads/master
c: f0b9d78
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7ac2905511063376ef59baae0e570bfebeea8004
+refs/heads/master: f0b9d7865a95fdcb18319a678c616156be74cdfb

trunk/drivers/net/ethernet/stmicro/stmmac/common.h

@@ -230,6 +230,7 @@ struct mac_device_info {
 	const struct stmmac_dma_ops	*dma;
 	struct mii_regs mii;	/* MII register Addresses */
 	struct mac_link link;
+	unsigned int synopsys_uid;
 };
 
 struct mac_device_info *dwmac1000_setup(void __iomem *ioaddr);

trunk/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c

@@ -224,10 +224,7 @@ static const struct stmmac_ops dwmac1000_ops = {
 struct mac_device_info *dwmac1000_setup(void __iomem *ioaddr)
 {
 	struct mac_device_info *mac;
-	u32 uid = readl(ioaddr + GMAC_VERSION);
-
-	pr_info("\tDWMAC1000 - user ID: 0x%x, Synopsys ID: 0x%x\n",
-		((uid & 0x0000ff00) >> 8), (uid & 0x000000ff));
+	u32 hwid = readl(ioaddr + GMAC_VERSION);
 
 	mac = kzalloc(sizeof(const struct mac_device_info), GFP_KERNEL);
 	if (!mac)
@@ -241,6 +238,7 @@ struct mac_device_info *dwmac1000_setup(void __iomem *ioaddr)
 	mac->link.speed = GMAC_CONTROL_FES;
 	mac->mii.addr = GMAC_MII_ADDR;
 	mac->mii.data = GMAC_MII_DATA;
+	mac->synopsys_uid = hwid;
 
 	return mac;
 }

trunk/drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c

@@ -188,6 +188,7 @@ struct mac_device_info *dwmac100_setup(void __iomem *ioaddr)
 	mac->link.speed = 0;
 	mac->mii.addr = MAC_MII_ADDR;
 	mac->mii.data = MAC_MII_DATA;
+	mac->synopsys_uid = 0;
 
 	return mac;
 }

trunk/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c

@@ -763,6 +763,23 @@ static void stmmac_mmc_setup(struct stmmac_priv *priv)
 	memset(&priv->mmc, 0, sizeof(struct stmmac_counters));
 }
 
+static u32 stmmac_get_synopsys_id(struct stmmac_priv *priv)
+{
+	u32 hwid = priv->hw->synopsys_uid;
+
+	/* Only check valid Synopsys Id because old MAC chips
+	 * have no HW registers where get the ID */
+	if (likely(hwid)) {
+		u32 uid = ((hwid & 0x0000ff00) >> 8);
+		u32 synid = (hwid & 0x000000ff);
+
+		pr_info("STMMAC - user ID: 0x%x, Synopsys ID: 0x%x\n",
+			uid, synid);
+
+		return synid;
+	}
+	return 0;
+}
 /**
  *  stmmac_open - open entry point of the driver
  *  @dev : pointer to the device structure.
@@ -835,7 +852,8 @@ static int stmmac_open(struct net_device *dev)
 	/* Initialize the MAC Core */
 	priv->hw->mac->core_init(priv->ioaddr);
 
-	priv->rx_coe = priv->hw->mac->rx_coe(priv->ioaddr);
+	stmmac_get_synopsys_id(priv);
+
 	if (priv->rx_coe)
 		pr_info("stmmac: Rx Checksum Offload Engine supported\n");
 	if (priv->plat->tx_coe)