net: bcmgenet: fix bcmgenet_wol_resume

bcmgenet_wol_resume() will create an unbalanced clock state for the
wol_clk clock pointer since everywhere else in the code, we always call
clk_prepare_enable() and clk_disable_unprepare(). This function also
calls init_umac() which is neither correct nor necessary since
bcmgenet_resume() and bcmgenet_open() already does that.

Finally calling bcmgenet_wol_resume() in bcmgenet_open() is not correct,
since the interface would not have been able to put us in Wake-on-LAN
mode if it was not UP before.

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

1 files changed, 1 insertions, 7 deletions

diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index 319b94381d2e..1925ae1dc1e6 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -1965,14 +1965,8 @@ static void bcmgenet_set_hw_addr(struct bcmgenet_priv *priv,
 
 static int bcmgenet_wol_resume(struct bcmgenet_priv *priv)
 {
-        int ret;
-
         /* From WOL-enabled suspend, switch to regular clock */
-        clk_disable(priv->clk_wol);
-        /* init umac registers to synchronize s/w with h/w */
-        ret = init_umac(priv);
-        if (ret)
-                return ret;
+        clk_disable_unprepare(priv->clk_wol);
 
         phy_init_hw(priv->phydev);
         /* Speed settings must be restored */