diff options
author | 2023-11-30 16:10:40 -0800 | |
---|---|---|
committer | 2023-11-30 16:11:19 -0800 | |
commit | 975f2d73a99f35b57ffa2ad7bff8562225cdcfcb (patch) | |
tree | d6c9ce96cfd889281e003a310c79d5a12a3cf924 /drivers/net/ethernet/renesas | |
parent | net: page_pool: fix general protection fault in page_pool_unlist (diff) | |
parent | Merge tag 'net-6.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netd... (diff) | |
download | linux-975f2d73a99f35b57ffa2ad7bff8562225cdcfcb.tar.gz linux-975f2d73a99f35b57ffa2ad7bff8562225cdcfcb.tar.bz2 linux-975f2d73a99f35b57ffa2ad7bff8562225cdcfcb.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR.
No conflicts.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/renesas')
-rw-r--r-- | drivers/net/ethernet/renesas/ravb_main.c | 69 | ||||
-rw-r--r-- | drivers/net/ethernet/renesas/rswitch.c | 22 |
2 files changed, 58 insertions, 33 deletions
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index c70cff80cc99..664eda4b5a11 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -515,6 +515,15 @@ static void ravb_emac_init_gbeth(struct net_device *ndev) { struct ravb_private *priv = netdev_priv(ndev); + if (priv->phy_interface == PHY_INTERFACE_MODE_MII) { + ravb_write(ndev, (1000 << 16) | CXR35_SEL_XMII_MII, CXR35); + ravb_modify(ndev, CXR31, CXR31_SEL_LINK0 | CXR31_SEL_LINK1, 0); + } else { + ravb_write(ndev, (1000 << 16) | CXR35_SEL_XMII_RGMII, CXR35); + ravb_modify(ndev, CXR31, CXR31_SEL_LINK0 | CXR31_SEL_LINK1, + CXR31_SEL_LINK0); + } + /* Receive frame limit set register */ ravb_write(ndev, GBETH_RX_BUFF_MAX + ETH_FCS_LEN, RFLR); @@ -537,14 +546,6 @@ static void ravb_emac_init_gbeth(struct net_device *ndev) /* E-MAC interrupt enable register */ ravb_write(ndev, ECSIPR_ICDIP, ECSIPR); - - if (priv->phy_interface == PHY_INTERFACE_MODE_MII) { - ravb_modify(ndev, CXR31, CXR31_SEL_LINK0 | CXR31_SEL_LINK1, 0); - ravb_write(ndev, (1000 << 16) | CXR35_SEL_XMII_MII, CXR35); - } else { - ravb_modify(ndev, CXR31, CXR31_SEL_LINK0 | CXR31_SEL_LINK1, - CXR31_SEL_LINK0); - } } static void ravb_emac_init_rcar(struct net_device *ndev) @@ -1811,19 +1812,20 @@ 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_mgmta: if (!info->multi_irqs) goto out_free_irq; @@ -1874,6 +1876,12 @@ 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 */ @@ -1907,7 +1915,7 @@ 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); @@ -1917,6 +1925,9 @@ out: ravb_ptp_init(ndev, priv->pdev); netif_tx_start_all_queues(ndev); + +out_unlock: + rtnl_unlock(); } /* Packet transmit function for Ethernet AVB */ @@ -2645,9 +2656,14 @@ 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) { if (info->err_mgmt_irqs) @@ -2872,11 +2888,12 @@ out_disable_gptp_clk: 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; } @@ -2886,22 +2903,26 @@ static void ravb_remove(struct platform_device *pdev) struct ravb_private *priv = netdev_priv(ndev); const struct ravb_hw_info *info = priv->info; - /* Stop PTP Clock driver */ - if (info->ccc_gac) - ravb_ptp_stop(ndev); - - clk_disable_unprepare(priv->gptp_clk); - clk_disable_unprepare(priv->refclk); - - /* Set reset mode */ - ravb_write(ndev, CCC_OPC_RESET, CCC); unregister_netdev(ndev); if (info->nc_queues) netif_napi_del(&priv->napi[RAVB_NC]); netif_napi_del(&priv->napi[RAVB_BE]); + ravb_mdio_release(priv); + + /* Stop PTP Clock driver */ + if (info->ccc_gac) + ravb_ptp_stop(ndev); + dma_free_coherent(ndev->dev.parent, priv->desc_bat_size, priv->desc_bat, priv->desc_bat_dma); + + /* Set reset mode */ + ravb_write(ndev, CCC_OPC_RESET, CCC); + + clk_disable_unprepare(priv->gptp_clk); + clk_disable_unprepare(priv->refclk); + pm_runtime_put_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); reset_control_assert(priv->rstc); diff --git a/drivers/net/ethernet/renesas/rswitch.c b/drivers/net/ethernet/renesas/rswitch.c index d6089429f654..89e7a6551c64 100644 --- a/drivers/net/ethernet/renesas/rswitch.c +++ b/drivers/net/ethernet/renesas/rswitch.c @@ -1504,8 +1504,8 @@ static netdev_tx_t rswitch_start_xmit(struct sk_buff *skb, struct net_device *nd { struct rswitch_device *rdev = netdev_priv(ndev); struct rswitch_gwca_queue *gq = rdev->tx_queue; + netdev_tx_t ret = NETDEV_TX_OK; struct rswitch_ext_desc *desc; - int ret = NETDEV_TX_OK; dma_addr_t dma_addr; if (rswitch_get_num_cur_queues(gq) >= gq->ring_size - 1) { @@ -1517,10 +1517,8 @@ static netdev_tx_t rswitch_start_xmit(struct sk_buff *skb, struct net_device *nd return ret; dma_addr = dma_map_single(ndev->dev.parent, skb->data, skb->len, DMA_TO_DEVICE); - if (dma_mapping_error(ndev->dev.parent, dma_addr)) { - dev_kfree_skb_any(skb); - return ret; - } + if (dma_mapping_error(ndev->dev.parent, dma_addr)) + goto err_kfree; gq->skbs[gq->cur] = skb; desc = &gq->tx_ring[gq->cur]; @@ -1533,10 +1531,8 @@ static netdev_tx_t rswitch_start_xmit(struct sk_buff *skb, struct net_device *nd struct rswitch_gwca_ts_info *ts_info; ts_info = kzalloc(sizeof(*ts_info), GFP_ATOMIC); - if (!ts_info) { - dma_unmap_single(ndev->dev.parent, dma_addr, skb->len, DMA_TO_DEVICE); - return -ENOMEM; - } + if (!ts_info) + goto err_unmap; skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS; rdev->ts_tag++; @@ -1559,6 +1555,14 @@ static netdev_tx_t rswitch_start_xmit(struct sk_buff *skb, struct net_device *nd rswitch_modify(rdev->addr, GWTRC(gq->index), 0, BIT(gq->index % 32)); return ret; + +err_unmap: + dma_unmap_single(ndev->dev.parent, dma_addr, skb->len, DMA_TO_DEVICE); + +err_kfree: + dev_kfree_skb_any(skb); + + return ret; } static struct net_device_stats *rswitch_get_stats(struct net_device *ndev) |