diff options
| -rw-r--r-- | drivers/net/ethernet/cadence/macb_main.c | 40 |
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; } |