[U-Boot] [PATCH 2/3] mpc52xx phy: initialize only when needed

[Jon]

From: Sascha Hauer <s.ha...@pengutronix.de>

Do not initialize phy on startup, instead initialize it
when we actually need it.

Signed-off-by: Sascha Hauer <s.ha...@pengutronix.de>
---
 drivers/net/mpc5xxx_fec.c |   11 +++++++++--
 1 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/net/mpc5xxx_fec.c b/drivers/net/mpc5xxx_fec.c
index 0f1d1af..1876b76 100644
--- a/drivers/net/mpc5xxx_fec.c
+++ b/drivers/net/mpc5xxx_fec.c
@@ -42,6 +42,8 @@ typedef struct {
 int fec5xxx_miiphy_read(char *devname, uint8 phyAddr, uint8 regAddr, uint16 * 
retVal);
 int fec5xxx_miiphy_write(char *devname, uint8 phyAddr, uint8 regAddr, uint16 
data);
 
+static int mpc5xxx_fec_init_phy(struct eth_device *dev, bd_t * bis);
+
 /********************************************************************/
 #if (DEBUG & 0x2)
 static void mpc5xxx_fec_phydump (char *devname)
@@ -249,6 +251,8 @@ static int mpc5xxx_fec_init(struct eth_device *dev, bd_t * 
bis)
        printf ("mpc5xxx_fec_init... Begin\n");
 #endif
 
+       mpc5xxx_fec_init_phy(dev, bis);
+
        /*
         * Initialize RxBD/TxBD rings
         */
@@ -387,6 +391,11 @@ static int mpc5xxx_fec_init_phy(struct eth_device *dev, 
bd_t * bis)
 {
        mpc5xxx_fec_priv *fec = (mpc5xxx_fec_priv *)dev->priv;
        const uint8 phyAddr = CONFIG_PHY_ADDR;  /* Only one PHY */
+       static int initialized = 0;
+
+       if(initialized)
+               return 0;
+       initialized = 1;
 
 #if (DEBUG & 0x1)
        printf ("mpc5xxx_fec_init_phy... Begin\n");
@@ -937,8 +946,6 @@ int mpc5xxx_fec_initialize(bd_t * bis)
                mpc5xxx_fec_set_hwaddr(fec, env_enetaddr);
        }
 
-       mpc5xxx_fec_init_phy(dev, bis);
-
        return 1;
 }
 

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