[PATCH 2/3][RESEND] phylib: marvell: add support for TX-only and RX-only Internal Delay

[Kim Phillips]

Previously, Internal Delay specification implied the delay be
applied to both TX and RX.  This patch allows for separate TX/RX-only
internal delay specification.

Signed-off-by: Kim Phillips <[EMAIL PROTECTED]>
Tested-by: Anton Vorontsov <[EMAIL PROTECTED]>
Acked-by: Li Yang <[EMAIL PROTECTED]>
---
 drivers/net/phy/marvell.c |   26 +++++++++++++++++---------
 1 files changed, 17 insertions(+), 9 deletions(-)

diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index 035fd41..f057407 100644
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -143,21 +143,29 @@ static int m88e1111_config_init(struct phy_device *phydev)
        int err;
 
        if ((phydev->interface == PHY_INTERFACE_MODE_RGMII) ||
-           (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)) {
+           (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) ||
+           (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
+           (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)) {
                int temp;
 
-               if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
-                       temp = phy_read(phydev, MII_M1111_PHY_EXT_CR);
-                       if (temp < 0)
-                               return temp;
+               temp = phy_read(phydev, MII_M1111_PHY_EXT_CR);
+               if (temp < 0)
+                       return temp;
 
+               if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
                        temp |= (MII_M1111_RX_DELAY | MII_M1111_TX_DELAY);
-
-                       err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp);
-                       if (err < 0)
-                               return err;
+               } else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) {
+                       temp &= ~MII_M1111_TX_DELAY;
+                       temp |= MII_M1111_RX_DELAY;
+               } else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) {
+                       temp &= ~MII_M1111_RX_DELAY;
+                       temp |= MII_M1111_TX_DELAY;
                }
 
+               err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp);
+               if (err < 0)
+                       return err;
+
                temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
                if (temp < 0)
                        return temp;
-- 
1.5.2.2

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