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-rw-r--r--drivers/net/ethernet/broadcom/genet/bcmgenet.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index c6b15c3cf023..c38d5429e27a 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -3107,6 +3107,8 @@ static int bcmgenet_suspend(struct device *d)
if (device_may_wakeup(d) && priv->wolopts) {
ret = bcmgenet_power_down(priv, GENET_POWER_WOL_MAGIC);
clk_prepare_enable(priv->clk_wol);
+ } else if (phy_is_internal(priv->phydev)) {
+ ret = bcmgenet_power_down(priv, GENET_POWER_PASSIVE);
}
/* Turn off the clocks */
@@ -3131,6 +3133,12 @@ static int bcmgenet_resume(struct device *d)
if (ret)
return ret;
+ /* If this is an internal GPHY, power it back on now, before UniMAC is
+ * brought out of reset as absolutely no UniMAC activity is allowed
+ */
+ if (phy_is_internal(priv->phydev))
+ bcmgenet_power_up(priv, GENET_POWER_PASSIVE);
+
bcmgenet_umac_reset(priv);
ret = init_umac(priv);