diff options
Diffstat (limited to 'drivers/net/ethernet/renesas/ravb_main.c')
-rw-r--r-- | drivers/net/ethernet/renesas/ravb_main.c | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index 19733c9a7c25..1fa002c42c88 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -1448,19 +1448,20 @@ static int ravb_open(struct net_device *ndev) if (info->gptp) ravb_ptp_init(ndev, priv->pdev); - netif_tx_start_all_queues(ndev); - /* PHY control start */ error = ravb_phy_start(ndev); if (error) goto out_ptp_stop; + netif_tx_start_all_queues(ndev); + return 0; out_ptp_stop: /* Stop PTP Clock driver */ if (info->gptp) ravb_ptp_stop(ndev); + ravb_stop_dma(ndev); out_free_irq_nc_tx: if (!info->multi_irqs) goto out_free_irq; @@ -1504,6 +1505,12 @@ static void ravb_tx_timeout_work(struct work_struct *work) struct net_device *ndev = priv->ndev; int error; + if (!rtnl_trylock()) { + usleep_range(1000, 2000); + schedule_work(&priv->work); + return; + } + netif_tx_stop_all_queues(ndev); /* Stop PTP Clock driver */ @@ -1536,7 +1543,7 @@ static void ravb_tx_timeout_work(struct work_struct *work) */ netdev_err(ndev, "%s: ravb_dmac_init() failed, error %d\n", __func__, error); - return; + goto out_unlock; } ravb_emac_init(ndev); @@ -1546,6 +1553,9 @@ out: ravb_ptp_init(ndev, priv->pdev); netif_tx_start_all_queues(ndev); + +out_unlock: + rtnl_unlock(); } /* Packet transmit function for Ethernet AVB */ @@ -2179,9 +2189,14 @@ static int ravb_probe(struct platform_device *pdev) ndev->features = info->net_features; ndev->hw_features = info->net_hw_features; - reset_control_deassert(rstc); + error = reset_control_deassert(rstc); + if (error) + goto out_free_netdev; + pm_runtime_enable(&pdev->dev); - pm_runtime_get_sync(&pdev->dev); + error = pm_runtime_resume_and_get(&pdev->dev); + if (error < 0) + goto out_rpm_disable; if (info->multi_irqs) irq = platform_get_irq_byname(pdev, "ch22"); @@ -2364,11 +2379,12 @@ out_dma_free: out_disable_refclk: clk_disable_unprepare(priv->refclk); out_release: - free_netdev(ndev); - pm_runtime_put(&pdev->dev); +out_rpm_disable: pm_runtime_disable(&pdev->dev); reset_control_assert(rstc); +out_free_netdev: + free_netdev(ndev); return error; } |