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[1/5] net: ethernet: mediatek: add REVMII and fix RMII modes supported by GMAC

Message ID 1471273430-19942-1-git-send-email-sean.wang@mediatek.com (mailing list archive)
State New, archived
Headers show

Commit Message

Sean Wang Aug. 15, 2016, 3:03 p.m. UTC 
The patch adds the supplement for the setup of reverse MII (REVMII)
on GMAC, fixes up incorrect setup of reduced mii (RMII) on GMAC and
rearranges the error handling path for invalid phy argument.

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
---
 drivers/net/ethernet/mediatek/mtk_eth_soc.c |   15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)
diff mbox

Patch

diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index 88b04dd..f19b8b9 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -245,12 +245,16 @@  static int mtk_phy_connect(struct mtk_mac *mac)
 	case PHY_INTERFACE_MODE_MII:
 		ge_mode = 1;
 		break;
-	case PHY_INTERFACE_MODE_RMII:
+	case PHY_INTERFACE_MODE_REVMII:
 		ge_mode = 2;
 		break;
+	case PHY_INTERFACE_MODE_RMII:
+		if (!mac->id)
+			goto err_phy;
+		ge_mode = 3;
+		break;
 	default:
-		dev_err(eth->dev, "invalid phy_mode\n");
-		return -1;
+		goto err_phy;
 	}
 
 	/* put the gmac into the right mode */
@@ -272,6 +276,11 @@  static int mtk_phy_connect(struct mtk_mac *mac)
 	of_node_put(np);
 
 	return 0;
+
+err_phy:
+	of_node_put(np);
+	dev_err(eth->dev, "invalid phy_mode\n");
+	return -EINVAL;
 }
 
 static int mtk_mdio_init(struct mtk_eth *eth)