From: Bryan Wu <bryan.wu@analog.com>
Date: Wed, 30 Jan 2008 08:52:28 +0000 (+0800)
Subject: EMAC driver: Fix bug: The clock divisor is set to all ones at reset.
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=9dc7f30e3bac329998a2a9bb814bd0abc7cb58e2;p=openwrt%2Fstaging%2Fblogic.git

EMAC driver: Fix bug: The clock divisor is set to all ones at reset.

Signed-off-by: Kalle Pokki <kalle.pokki@eke.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c
index 0a17fb48c55c..c993a32b3f50 100644
--- a/drivers/net/bfin_mac.c
+++ b/drivers/net/bfin_mac.c
@@ -408,7 +408,7 @@ static int mii_probe(struct net_device *dev)
 	mdc_div = ((sclk / MDC_CLK) / 2) - 1;
 
 	sysctl = bfin_read_EMAC_SYSCTL();
-	sysctl |= SET_MDCDIV(mdc_div);
+	sysctl = (sysctl & ~MDCDIV) | SET_MDCDIV(mdc_div);
 	bfin_write_EMAC_SYSCTL(sysctl);
 
 	/* search for connect PHY device */