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 0a17fb4..c993a32 100644
--- a/drivers/net/bfin_mac.c
+++ b/drivers/net/bfin_mac.c
@@ -408,7 +408,7 @@
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 */