net: bcmgenet: update bcmgenet_ephy_power_up to clear CK25_DIS bit

The CK25_DIS bit controls whether a 25Mhz clock is fed to the GPHY or
not, in preparation for powering down the integrated GPHY when relevant,
make sure we clear that bit.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 2 insertions, 1 deletions

diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.h b/drivers/net/ethernet/broadcom/genet/bcmgenet.h
index 1ea838946318..a27ef777cc81 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.h
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.h
@@ -354,6 +354,7 @@ struct bcmgenet_mib_counters {
 #define EXT_GPHY_CTRL                   0x1C
 #define  EXT_CFG_IDDQ_BIAS              (1 << 0)
 #define  EXT_CFG_PWR_DOWN               (1 << 1)
+#define  EXT_CK25_DIS                   (1 << 4)
 #define  EXT_GPHY_RESET                 (1 << 5)
 
 /* DMA rings size */
diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c
index 446889cc3c6a..f7d9d2753141 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmmii.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c
@@ -178,7 +178,7 @@ static void bcmgenet_ephy_power_up(struct net_device *dev)
                 return;
 
         reg = bcmgenet_ext_readl(priv, EXT_GPHY_CTRL);
-        reg &= ~(EXT_CFG_IDDQ_BIAS | EXT_CFG_PWR_DOWN);
+        reg &= ~(EXT_CFG_IDDQ_BIAS | EXT_CFG_PWR_DOWN | EXT_CK25_DIS);
         reg |= EXT_GPHY_RESET;
         bcmgenet_ext_writel(priv, reg, EXT_GPHY_CTRL);
         mdelay(2);