diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index 176d7fcfd4243..4468fa72e4950 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -67,6 +67,9 @@ /* Forward declarations */ static void bcmgenet_set_rx_mode(struct net_device *dev); +static bool skip_umac_reset = true; +module_param(skip_umac_reset, bool, 0444); +MODULE_PARM_DESC(skip_umac_reset, "Skip UMAC reset step"); static inline void bcmgenet_writel(u32 value, void __iomem *offset) { @@ -2493,6 +2496,11 @@ static void reset_umac(struct bcmgenet_priv *priv) bcmgenet_rbuf_ctrl_set(priv, 0); udelay(10); + if (skip_umac_reset) { + pr_warn("Skipping UMAC reset\n"); + return; + } + /* issue soft reset and disable MAC while updating its registers */ spin_lock_bh(&priv->reg_lock); bcmgenet_umac_writel(priv, CMD_SW_RESET, UMAC_CMD);