[PATCH 2/2] net: amd-xgbe: Enable RRC when auto-negotiation is enabled
From: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Date: 2021-10-12 17:37:52
Subsystem:
amd xgbe driver, networking drivers, the rest · Maintainers:
Raju Rangoju, Prashanth Kumar K R, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Receiver Reset Cycle (RRC) is only required when the auto-negotiation is enabled. Co-developed-by: Sudheesh Mavila <redacted> Signed-off-by: Sudheesh Mavila <redacted> Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com> --- drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
index 4465af9b72cf..1a11407e277c 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c@@ -2642,7 +2642,9 @@ static int xgbe_phy_link_status(struct xgbe_prv_data *pdata, int *an_restart) /* No link, attempt a receiver reset cycle */ if (phy_data->rrc_count++ > XGBE_RRC_FREQUENCY) { phy_data->rrc_count = 0; - xgbe_phy_rrc(pdata); + /* RRC is required only if auto-negotiation is enabled */ + if (pdata->phy.autoneg == AUTONEG_ENABLE) + xgbe_phy_rrc(pdata); } return 0;
--
2.25.1