From: Iyappan Subramanian Date: Tue, 26 Jul 2016 00:12:43 +0000 (-0700) Subject: drivers: net: xgene: Use exported functions X-Git-Tag: v4.14-rc1~2816^2~8^2~4 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8c1519632fa6cb34a5ff4dddffd4a182c4fae1b6;p=platform%2Fkernel%2Flinux-rpi.git drivers: net: xgene: Use exported functions This patch reuses the mdio read/write and phy_register functions and removed the local definitions. Signed-off-by: Iyappan Subramanian Tested-by: Fushen Chen Tested-by: Toan Le Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c index 27a7a1c..8a2a221 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c @@ -381,59 +381,6 @@ static void xgene_enet_rd_mcx_mac(struct xgene_enet_pdata *pdata, rd_addr); } -static int xgene_mii_phy_write(struct xgene_enet_pdata *pdata, int phy_id, - u32 reg, u16 data) -{ - u32 addr = 0, wr_data = 0; - u32 done; - u8 wait = 10; - - PHY_ADDR_SET(&addr, phy_id); - REG_ADDR_SET(&addr, reg); - xgene_enet_wr_mcx_mac(pdata, MII_MGMT_ADDRESS_ADDR, addr); - - PHY_CONTROL_SET(&wr_data, data); - xgene_enet_wr_mcx_mac(pdata, MII_MGMT_CONTROL_ADDR, wr_data); - do { - usleep_range(5, 10); - xgene_enet_rd_mcx_mac(pdata, MII_MGMT_INDICATORS_ADDR, &done); - } while ((done & BUSY_MASK) && wait--); - - if (done & BUSY_MASK) { - netdev_err(pdata->ndev, "MII_MGMT write failed\n"); - return -EBUSY; - } - - return 0; -} - -static int xgene_mii_phy_read(struct xgene_enet_pdata *pdata, - u8 phy_id, u32 reg) -{ - u32 addr = 0; - u32 data, done; - u8 wait = 10; - - PHY_ADDR_SET(&addr, phy_id); - REG_ADDR_SET(&addr, reg); - xgene_enet_wr_mcx_mac(pdata, MII_MGMT_ADDRESS_ADDR, addr); - xgene_enet_wr_mcx_mac(pdata, MII_MGMT_COMMAND_ADDR, READ_CYCLE_MASK); - do { - usleep_range(5, 10); - xgene_enet_rd_mcx_mac(pdata, MII_MGMT_INDICATORS_ADDR, &done); - } while ((done & BUSY_MASK) && wait--); - - if (done & BUSY_MASK) { - netdev_err(pdata->ndev, "MII_MGMT read failed\n"); - return -EBUSY; - } - - xgene_enet_rd_mcx_mac(pdata, MII_MGMT_STATUS_ADDR, &data); - xgene_enet_wr_mcx_mac(pdata, MII_MGMT_COMMAND_ADDR, 0); - - return data; -} - static void xgene_gmac_set_mac_addr(struct xgene_enet_pdata *pdata) { u32 addr0, addr1; @@ -762,28 +709,6 @@ static void xgene_gport_shutdown(struct xgene_enet_pdata *pdata) } } -static int xgene_enet_mdio_read(struct mii_bus *bus, int mii_id, int regnum) -{ - struct xgene_enet_pdata *pdata = bus->priv; - u32 val; - - val = xgene_mii_phy_read(pdata, mii_id, regnum); - netdev_dbg(pdata->ndev, "mdio_rd: bus=%d reg=%d val=%x\n", - mii_id, regnum, val); - - return val; -} - -static int xgene_enet_mdio_write(struct mii_bus *bus, int mii_id, int regnum, - u16 val) -{ - struct xgene_enet_pdata *pdata = bus->priv; - - netdev_dbg(pdata->ndev, "mdio_wr: bus=%d reg=%d val=%x\n", - mii_id, regnum, val); - return xgene_mii_phy_write(pdata, mii_id, regnum, val); -} - static void xgene_enet_adjust_link(struct net_device *ndev) { struct xgene_enet_pdata *pdata = netdev_priv(ndev); @@ -888,8 +813,8 @@ static int xgene_mdiobus_register(struct xgene_enet_pdata *pdata, struct phy_device *phy; struct device_node *child_np; struct device_node *mdio_np = NULL; + u32 phy_addr; int ret; - u32 phy_id; if (dev->of_node) { for_each_child_of_node(dev->of_node, child_np) { @@ -916,21 +841,17 @@ static int xgene_mdiobus_register(struct xgene_enet_pdata *pdata, if (ret) return ret; - ret = device_property_read_u32(dev, "phy-channel", &phy_id); + ret = device_property_read_u32(dev, "phy-channel", &phy_addr); if (ret) - ret = device_property_read_u32(dev, "phy-addr", &phy_id); + ret = device_property_read_u32(dev, "phy-addr", &phy_addr); if (ret) return -EINVAL; - phy = get_phy_device(mdio, phy_id, false); - if (IS_ERR(phy)) + phy = xgene_enet_phy_register(mdio, phy_addr); + if (!phy) return -EIO; - ret = phy_device_register(phy); - if (ret) - phy_device_free(phy); - else - pdata->phy_dev = phy; + pdata->phy_dev = phy; return ret; } @@ -946,12 +867,12 @@ int xgene_enet_mdio_config(struct xgene_enet_pdata *pdata) return -ENOMEM; mdio_bus->name = "APM X-Gene MDIO bus"; - mdio_bus->read = xgene_enet_mdio_read; - mdio_bus->write = xgene_enet_mdio_write; + mdio_bus->read = xgene_mdio_rgmii_read; + mdio_bus->write = xgene_mdio_rgmii_write; snprintf(mdio_bus->id, MII_BUS_ID_SIZE, "%s-%s", "xgene-mii", ndev->name); - mdio_bus->priv = pdata; + mdio_bus->priv = (void __force *)pdata->mcx_mac_addr; mdio_bus->parent = &pdata->pdev->dev; ret = xgene_mdiobus_register(pdata, mdio_bus);