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-rw-r--r--drivers/net/ethernet/cadence/macb_main.c40
1 files changed, 38 insertions, 2 deletions
diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index 5173c02e292e..ad099fd01b45 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -4283,16 +4283,34 @@ static int __maybe_unused macb_suspend(struct device *dev)
{
struct net_device *netdev = dev_get_drvdata(dev);
struct macb *bp = netdev_priv(netdev);
+ struct macb_queue *queue = bp->queues;
+ unsigned long flags;
+ unsigned int q;
+
+ if (!netif_running(netdev))
+ return 0;
- netif_carrier_off(netdev);
- netif_device_detach(netdev);
if (bp->wol & MACB_WOL_ENABLED) {
macb_writel(bp, IER, MACB_BIT(WOL));
macb_writel(bp, WOL, MACB_BIT(MAG));
enable_irq_wake(bp->queues[0].irq);
+ netif_device_detach(netdev);
+ } else {
+ netif_device_detach(netdev);
+ for (q = 0, queue = bp->queues; q < bp->num_queues;
+ ++q, ++queue)
+ napi_disable(&queue->napi);
+ phy_stop(netdev->phydev);
+ phy_suspend(netdev->phydev);
+ spin_lock_irqsave(&bp->lock, flags);
+ macb_reset_hw(bp);
+ spin_unlock_irqrestore(&bp->lock, flags);
}
+ netif_carrier_off(netdev);
+ if (bp->ptp_info)
+ bp->ptp_info->ptp_remove(netdev);
pm_runtime_force_suspend(dev);
return 0;
@@ -4302,6 +4320,11 @@ static int __maybe_unused macb_resume(struct device *dev)
{
struct net_device *netdev = dev_get_drvdata(dev);
struct macb *bp = netdev_priv(netdev);
+ struct macb_queue *queue = bp->queues;
+ unsigned int q;
+
+ if (!netif_running(netdev))
+ return 0;
pm_runtime_force_resume(dev);
@@ -4309,9 +4332,22 @@ static int __maybe_unused macb_resume(struct device *dev)
macb_writel(bp, IDR, MACB_BIT(WOL));
macb_writel(bp, WOL, 0);
disable_irq_wake(bp->queues[0].irq);
+ } else {
+ macb_writel(bp, NCR, MACB_BIT(MPE));
+ for (q = 0, queue = bp->queues; q < bp->num_queues;
+ ++q, ++queue)
+ napi_enable(&queue->napi);
+ phy_resume(netdev->phydev);
+ phy_init_hw(netdev->phydev);
+ phy_start(netdev->phydev);
}
+ bp->macbgem_ops.mog_init_rings(bp);
+ macb_init_hw(bp);
+ macb_set_rx_mode(netdev);
netif_device_attach(netdev);
+ if (bp->ptp_info)
+ bp->ptp_info->ptp_init(netdev);
return 0;
}