[PATCH 4/5] cpmac: wait longer after MDIO reset

[Florian Fainelli <florian@openwrt.org>]

This patch slows down the MDIO_ALIVE busy waiting to let
switches and PHY come up after reset. Previous loop was
too quick for IC+175C and ADM6996C/L switches to come up.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
---
diff --git a/drivers/net/cpmac.c b/drivers/net/cpmac.c
index f2fc722..12a521e 100644
--- a/drivers/net/cpmac.c
+++ b/drivers/net/cpmac.c
@@ -1245,11 +1245,11 @@ int __devinit cpmac_init(void)
 
        cpmac_mii->reset(cpmac_mii);
 
-       for (i = 0; i < 300000; i++)
+       for (i = 0; i < 300; i++)
                if ((mask = cpmac_read(cpmac_mii->priv, CPMAC_MDIO_ALIVE)))
                        break;
                else
-                       cpu_relax();
+                       msleep(10);
 
        mask &= 0x7fffffff;
        if (mask & (mask - 1)) {