From 6b5f9a87e12d044f513a4f4c0e31ac7b5e988b66 Mon Sep 17 00:00:00 2001 From: Raju Rangoju Date: Mon, 12 Jun 2023 11:37:24 +0530 Subject: [PATCH] amd-xgbe: extend 10Mbps support to MAC version 21H MAC version 21H supports the 10Mbps speed. So, extend support to platforms that support it. Acked-by: Shyam Sundar S K Reviewed-by: Sridhar Samudrala Signed-off-by: Raju Rangoju Signed-off-by: David S. Miller --- drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c index 16e7fb2..6a71633 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c @@ -2782,9 +2782,9 @@ static bool xgbe_phy_valid_speed_baset_mode(struct xgbe_prv_data *pdata, switch (speed) { case SPEED_10: - /* Supported in ver >= 30H */ + /* Supported in ver 21H and ver >= 30H */ ver = XGMAC_GET_BITS(pdata->hw_feat.version, MAC_VR, SNPSVER); - return (ver >= 0x30) ? true : false; + return (ver == 0x21 || ver >= 0x30); case SPEED_100: case SPEED_1000: return true; @@ -2806,9 +2806,10 @@ static bool xgbe_phy_valid_speed_sfp_mode(struct xgbe_prv_data *pdata, switch (speed) { case SPEED_10: - /* Supported in ver >= 30H */ + /* Supported in ver 21H and ver >= 30H */ ver = XGMAC_GET_BITS(pdata->hw_feat.version, MAC_VR, SNPSVER); - return (ver >= 0x30) && (phy_data->sfp_speed == XGBE_SFP_SPEED_100_1000); + return ((ver == 0x21 || ver >= 0x30) && + (phy_data->sfp_speed == XGBE_SFP_SPEED_100_1000)); case SPEED_100: return (phy_data->sfp_speed == XGBE_SFP_SPEED_100_1000); case SPEED_1000: @@ -3158,9 +3159,9 @@ static bool xgbe_phy_port_mode_mismatch(struct xgbe_prv_data *pdata) struct xgbe_phy_data *phy_data = pdata->phy_data; unsigned int ver; - /* 10 Mbps speed is not supported in ver < 30H */ + /* 10 Mbps speed is supported in ver 21H and ver >= 30H */ ver = XGMAC_GET_BITS(pdata->hw_feat.version, MAC_VR, SNPSVER); - if (ver < 0x30 && (phy_data->port_speeds & XGBE_PHY_PORT_SPEED_10)) + if ((ver < 0x30 && ver != 0x21) && (phy_data->port_speeds & XGBE_PHY_PORT_SPEED_10)) return true; switch (phy_data->port_mode) { -- 2.7.4