diff options
Diffstat (limited to 'drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c b/drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c index 2fbd027f0148..57582efa362d 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c @@ -186,6 +186,8 @@ void bcmgenet_wol_power_up_cfg(struct bcmgenet_priv *priv, } reg = bcmgenet_umac_readl(priv, UMAC_MPD_CTRL); + if (!(reg & MPD_EN)) + return; /* already powered up so skip the rest */ reg &= ~MPD_EN; bcmgenet_umac_writel(priv, reg, UMAC_MPD_CTRL); |