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amd-xgbe: let the MAC manage PHY PM

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Use the MAC managed PM flag to indicate that MAC driver takes care of
suspending/resuming the PHY, and reset it when the device is brought up.

Signed-off-by: Raju Rangoju <Raju.Rangoju@amd.com>
Link: https://patch.msgid.link/20251123163721.442162-1-Raju.Rangoju@amd.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Raju Rangoju
2025-11-23 22:07:21 +05:30
committed by Jakub Kicinski
parent ce69978ae8
commit f93505f357
2 changed files with 10 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/net/ethernet/amd/xgbe/xgbe-drv.c
View File

@@ -1259,6 +1259,11 @@ static int xgbe_start(struct xgbe_prv_data *pdata)
udp_tunnel_nic_reset_ntf(netdev);
/* Reset the phy settings */
ret = xgbe_phy_reset(pdata);
if (ret)
goto err_txrx;
netif_tx_start_all_queues(netdev);
xgbe_start_timers(pdata);
@@ -1268,6 +1273,10 @@ static int xgbe_start(struct xgbe_prv_data *pdata)
return 0;
err_txrx:
hw_if->disable_rx(pdata);
hw_if->disable_tx(pdata);
err_irqs:
xgbe_free_irqs(pdata);
@@ -1574,11 +1583,6 @@ static int xgbe_open(struct net_device *netdev)
goto err_dev_wq;
}
/* Reset the phy settings */
ret = xgbe_phy_reset(pdata);
if (ret)
goto err_an_wq;
/* Enable the clocks */
ret = clk_prepare_enable(pdata->sysclk);
if (ret) {

1
drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
View File

@@ -989,6 +989,7 @@ static int xgbe_phy_find_phy_device(struct xgbe_prv_data *pdata)
return ret;
}
phy_data->phydev = phydev;
phy_data->phydev->mac_managed_pm = true;
xgbe_phy_external_phy_quirks(pdata);