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@xxxxxxxxxxx> --- 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)) {