SPDX: Convert all of our single license tags to Linux Kernel style

[oweals/u-boot.git] / drivers / net / phy / natsemi.c

diff --git a/drivers/net/phy/natsemi.c b/drivers/net/phy/natsemi.c
index ea9fe833ed8b07fb9c67752b29c75598af460407..05c7e7c089002f31019a11e599c8bb6a0cee501c 100644 (file)
--- a/drivers/net/phy/natsemi.c
+++ b/drivers/net/phy/natsemi.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * National Semiconductor PHY drivers
  *
- * SPDX-License-Identifier:    GPL-2.0+
- *
  * Copyright 2010-2011 Freescale Semiconductor, Inc.
  * author Andy Fleming
  */
@@ -53,7 +52,7 @@ static struct phy_driver DP83630_driver = {
 
 
 /* NatSemi DP83865 */
-static int dp83865_config(struct phy_device *phydev)
+static int dp838xx_config(struct phy_device *phydev)
 {
        phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, BMCR_RESET);
        genphy_config_aneg(phydev);
@@ -93,10 +92,13 @@ static int dp83865_parse_status(struct phy_device *phydev)
 
 static int dp83865_startup(struct phy_device *phydev)
 {
-       genphy_update_link(phydev);
-       dp83865_parse_status(phydev);
+       int ret;
 
-       return 0;
+       ret = genphy_update_link(phydev);
+       if (ret)
+               return ret;
+
+       return dp83865_parse_status(phydev);
 }
 
 
@@ -105,15 +107,59 @@ static struct phy_driver DP83865_driver = {
        .uid = 0x20005c70,
        .mask = 0xfffffff0,
        .features = PHY_GBIT_FEATURES,
-       .config = &dp83865_config,
+       .config = &dp838xx_config,
        .startup = &dp83865_startup,
        .shutdown = &genphy_shutdown,
 };
 
+/* NatSemi DP83848 */
+static int dp83848_parse_status(struct phy_device *phydev)
+{
+       int mii_reg;
+
+       mii_reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMSR);
+
+       if(mii_reg & (BMSR_100FULL | BMSR_100HALF)) {
+               phydev->speed = SPEED_100;
+       } else {
+               phydev->speed = SPEED_10;
+       }
+
+       if (mii_reg & (BMSR_10FULL | BMSR_100FULL)) {
+               phydev->duplex = DUPLEX_FULL;
+       } else {
+               phydev->duplex = DUPLEX_HALF;
+       }
+
+       return 0;
+}
+
+static int dp83848_startup(struct phy_device *phydev)
+{
+       int ret;
+
+       ret = genphy_update_link(phydev);
+       if (ret)
+               return ret;
+
+       return dp83848_parse_status(phydev);
+}
+
+static struct phy_driver DP83848_driver = {
+       .name = "NatSemi DP83848",
+       .uid = 0x20005c90,
+       .mask = 0x2000ff90,
+       .features = PHY_BASIC_FEATURES,
+       .config = &dp838xx_config,
+       .startup = &dp83848_startup,
+       .shutdown = &genphy_shutdown,
+};
+
 int phy_natsemi_init(void)
 {
        phy_register(&DP83630_driver);
        phy_register(&DP83865_driver);
+       phy_register(&DP83848_driver);
 
        return 0;
 }