diff options
Diffstat (limited to 'drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c b/drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c index 96d5d4f7f51f..984432952963 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c @@ -253,6 +253,17 @@ int bcmgenet_wol_power_up_cfg(struct bcmgenet_priv *priv, reg = bcmgenet_umac_readl(priv, UMAC_CMD); reg &= ~CMD_CRC_FWD; bcmgenet_umac_writel(priv, reg, UMAC_CMD); + + /* + * Mirror wol_power_down_cfg(). If only UMAC_RX + * is enabled, then we must place the UMAC back + * into SW_RESET. + */ + reg = bcmgenet_umac_readl(priv, UMAC_CMD); + if ((reg & CMD_RX_EN) && !(reg & CMD_TX_EN)) { + reg |= CMD_SW_RESET; + bcmgenet_umac_writel(priv, reg, UMAC_CMD); + } spin_unlock_bh(&priv->reg_lock); /* Resume link status tracking */ |