[PATCH v2 net-next 03/12] drivers: net: xgene: Use rgmii mdio mac access

[Iyappan Subramanian]

From: Quan Nguyen <qngu...@apm.com>

This patch switches to use rgmii mdio mac access routines if available,
as they share the same HW.

Signed-off-by: Quan Nguyen <qngu...@apm.com>
Signed-off-by: Iyappan Subramanian <isubraman...@apm.com>
---
 drivers/net/ethernet/apm/xgene/xgene_enet_hw.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c 
b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
index 2050c58..47c5b75 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
@@ -277,6 +277,13 @@ void xgene_enet_wr_mac(struct xgene_enet_pdata *pdata, u32 
wr_addr, u32 wr_data)
        u8 wait = 10;
        u32 done;
 
+       if (pdata->mdio_driver && ndev->phydev &&
+           pdata->phy_mode == PHY_INTERFACE_MODE_RGMII) {
+               struct mii_bus *bus = ndev->phydev->mdio.bus;
+
+               return xgene_mdio_wr_mac(bus->priv, wr_addr, wr_data);
+       }
+
        addr = pdata->mcx_mac_addr + MAC_ADDR_REG_OFFSET;
        wr = pdata->mcx_mac_addr + MAC_WRITE_REG_OFFSET;
        cmd = pdata->mcx_mac_addr + MAC_COMMAND_REG_OFFSET;
@@ -328,6 +335,13 @@ u32 xgene_enet_rd_mac(struct xgene_enet_pdata *pdata, u32 
rd_addr)
        u32 done, rd_data;
        u8 wait = 10;
 
+       if (pdata->mdio_driver && pdata->ndev->phydev &&
+           pdata->phy_mode == PHY_INTERFACE_MODE_RGMII) {
+               struct mii_bus *bus = pdata->ndev->phydev->mdio.bus;
+
+               return xgene_mdio_rd_mac(bus->priv, rd_addr);
+       }
+
        addr = pdata->mcx_mac_addr + MAC_ADDR_REG_OFFSET;
        rd = pdata->mcx_mac_addr + MAC_READ_REG_OFFSET;
        cmd = pdata->mcx_mac_addr + MAC_COMMAND_REG_OFFSET;
-- 
1.9.1