netdev - [PATCH net-next RESEND] stmmac: modified pcs mode support for SGMII

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Message-id: <015701ce340d$052a71d0$0f7f5570$%an@samsung.com>
Date:	Mon, 08 Apr 2013 12:56:16 +0900
From:	Byungho An <bh74.an@...sung.com>
To:	netdev@...r.kernel.org
Cc:	'Giuseppe CAVALLARO' <peppe.cavallaro@...com>,
	'김국진' <kgene.kim@...sung.com>,
	cpgs@...sung.com, davem@...emloft.net
Subject: [PATCH net-next RESEND] stmmac: modified pcs mode support for SGMII


This patch modifies the pcs mode support for SGMII. Even though
SGMII does auto-negotiation with phy, it needs stmmac_init_phy and
stmmac_mdio_register function for initializing phy.

Signed-off-by: Byungho An <bh74.an@...sung.com>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c |   12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 6b26d31..3ac9bd7 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1504,7 +1504,8 @@ static int stmmac_open(struct net_device *dev)
 
 	stmmac_check_ether_addr(priv);
 
-	if (!priv->pcs) {
+	if (priv->pcs != STMMAC_PCS_RGMII && priv->pcs != STMMAC_PCS_TBI &&
+	    priv->pcs != STMMAC_PCS_RTBI) {
 		ret = stmmac_init_phy(dev);
 		if (ret) {
 			pr_err("%s: Cannot attach to PHY (error: %d)\n",
@@ -1607,7 +1608,8 @@ static int stmmac_open(struct net_device *dev)
 	/* Using PCS we cannot dial with the phy registers at this stage
 	 * so we do not support extra feature like EEE.
 	 */
-	if (!priv->pcs)
+	if (priv->pcs != STMMAC_PCS_RGMII && priv->pcs != STMMAC_PCS_TBI &&
+	    priv->pcs != STMMAC_PCS_RTBI)
 		priv->eee_enabled = stmmac_eee_init(priv);
 
 	stmmac_init_tx_coalesce(priv);
@@ -2637,7 +2639,8 @@ struct stmmac_priv *stmmac_dvr_probe(struct device *device,
 
 	stmmac_check_pcs_mode(priv);
 
-	if (!priv->pcs) {
+	if (priv->pcs != STMMAC_PCS_RGMII && priv->pcs != STMMAC_PCS_TBI &&
+	    priv->pcs != STMMAC_PCS_RTBI) {
 		/* MDIO bus Registration */
 		ret = stmmac_mdio_register(ndev);
 		if (ret < 0) {
@@ -2677,7 +2680,8 @@ int stmmac_dvr_remove(struct net_device *ndev)
 	priv->hw->dma->stop_tx(priv->ioaddr);
 
 	stmmac_set_mac(priv->ioaddr, false);
-	if (!priv->pcs)
+	if (priv->pcs != STMMAC_PCS_RGMII && priv->pcs != STMMAC_PCS_TBI &&
+	    priv->pcs != STMMAC_PCS_RTBI)
 		stmmac_mdio_unregister(ndev);
 	netif_carrier_off(ndev);
 	unregister_netdev(ndev);
-- 
1.7.10.4


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