diff options
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hibmcge/hbg_mdio.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/net/ethernet/hisilicon/hibmcge/hbg_mdio.c b/drivers/net/ethernet/hisilicon/hibmcge/hbg_mdio.c index f29a937ad087..42b0083c9193 100644 --- a/drivers/net/ethernet/hisilicon/hibmcge/hbg_mdio.c +++ b/drivers/net/ethernet/hisilicon/hibmcge/hbg_mdio.c @@ -2,6 +2,7 @@ // Copyright (c) 2024 Hisilicon Limited. #include <linux/phy.h> +#include <linux/rtnetlink.h> #include "hbg_common.h" #include "hbg_hw.h" #include "hbg_mdio.h" @@ -133,12 +134,17 @@ void hbg_fix_np_link_fail(struct hbg_priv *priv) { struct device *dev = &priv->pdev->dev; + rtnl_lock(); + if (priv->stats.np_link_fail_cnt >= HBG_NP_LINK_FAIL_RETRY_TIMES) { dev_err(dev, "failed to fix the MAC link status\n"); priv->stats.np_link_fail_cnt = 0; - return; + goto unlock; } + if (!priv->mac.phydev->link) + goto unlock; + priv->stats.np_link_fail_cnt++; dev_err(dev, "failed to link between MAC and PHY, try to fix...\n"); @@ -147,6 +153,9 @@ void hbg_fix_np_link_fail(struct hbg_priv *priv) */ hbg_phy_stop(priv); hbg_phy_start(priv); + +unlock: + rtnl_unlock(); } static void hbg_phy_adjust_link(struct net_device *netdev) |