diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/realtek/r8169.c | 168 |
1 files changed, 81 insertions, 87 deletions
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index abb6dead24d..8d4515ed794 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -775,10 +775,6 @@ MODULE_FIRMWARE(FIRMWARE_8168F_1); MODULE_FIRMWARE(FIRMWARE_8168F_2); static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance); -static int rtl8169_init_ring(struct net_device *dev); -static void rtl_hw_start(struct net_device *dev); -static void rtl8169_rx_clear(struct rtl8169_private *tp); -static int rtl8169_poll(struct napi_struct *napi, int budget); static void rtl_lock_work(struct rtl8169_private *tp) { @@ -4033,88 +4029,6 @@ static void rtl_request_firmware(struct rtl8169_private *tp) rtl_request_uncached_firmware(tp); } -static void rtl_task(struct work_struct *); - -static int rtl8169_open(struct net_device *dev) -{ - struct rtl8169_private *tp = netdev_priv(dev); - void __iomem *ioaddr = tp->mmio_addr; - struct pci_dev *pdev = tp->pci_dev; - int retval = -ENOMEM; - - pm_runtime_get_sync(&pdev->dev); - - /* - * Rx and Tx desscriptors needs 256 bytes alignment. - * dma_alloc_coherent provides more. - */ - tp->TxDescArray = dma_alloc_coherent(&pdev->dev, R8169_TX_RING_BYTES, - &tp->TxPhyAddr, GFP_KERNEL); - if (!tp->TxDescArray) - goto err_pm_runtime_put; - - tp->RxDescArray = dma_alloc_coherent(&pdev->dev, R8169_RX_RING_BYTES, - &tp->RxPhyAddr, GFP_KERNEL); - if (!tp->RxDescArray) - goto err_free_tx_0; - - retval = rtl8169_init_ring(dev); - if (retval < 0) - goto err_free_rx_1; - - INIT_WORK(&tp->wk.work, rtl_task); - - smp_mb(); - - rtl_request_firmware(tp); - - retval = request_irq(dev->irq, rtl8169_interrupt, - (tp->features & RTL_FEATURE_MSI) ? 0 : IRQF_SHARED, - dev->name, dev); - if (retval < 0) - goto err_release_fw_2; - - rtl_lock_work(tp); - - set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags); - - napi_enable(&tp->napi); - - rtl8169_init_phy(dev, tp); - - __rtl8169_set_features(dev, dev->features); - - rtl_pll_power_up(tp); - - rtl_hw_start(dev); - - netif_start_queue(dev); - - rtl_unlock_work(tp); - - tp->saved_wolopts = 0; - pm_runtime_put_noidle(&pdev->dev); - - rtl8169_check_link_status(dev, tp, ioaddr); -out: - return retval; - -err_release_fw_2: - rtl_release_firmware(tp); - rtl8169_rx_clear(tp); -err_free_rx_1: - dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray, - tp->RxPhyAddr); - tp->RxDescArray = NULL; -err_free_tx_0: - dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray, - tp->TxPhyAddr); - tp->TxDescArray = NULL; -err_pm_runtime_put: - pm_runtime_put_noidle(&pdev->dev); - goto out; -} - static void rtl_rx_close(struct rtl8169_private *tp) { void __iomem *ioaddr = tp->mmio_addr; @@ -5806,6 +5720,86 @@ static int rtl8169_close(struct net_device *dev) return 0; } +static int rtl_open(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + struct pci_dev *pdev = tp->pci_dev; + int retval = -ENOMEM; + + pm_runtime_get_sync(&pdev->dev); + + /* + * Rx and Tx desscriptors needs 256 bytes alignment. + * dma_alloc_coherent provides more. + */ + tp->TxDescArray = dma_alloc_coherent(&pdev->dev, R8169_TX_RING_BYTES, + &tp->TxPhyAddr, GFP_KERNEL); + if (!tp->TxDescArray) + goto err_pm_runtime_put; + + tp->RxDescArray = dma_alloc_coherent(&pdev->dev, R8169_RX_RING_BYTES, + &tp->RxPhyAddr, GFP_KERNEL); + if (!tp->RxDescArray) + goto err_free_tx_0; + + retval = rtl8169_init_ring(dev); + if (retval < 0) + goto err_free_rx_1; + + INIT_WORK(&tp->wk.work, rtl_task); + + smp_mb(); + + rtl_request_firmware(tp); + + retval = request_irq(dev->irq, rtl8169_interrupt, + (tp->features & RTL_FEATURE_MSI) ? 0 : IRQF_SHARED, + dev->name, dev); + if (retval < 0) + goto err_release_fw_2; + + rtl_lock_work(tp); + + set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags); + + napi_enable(&tp->napi); + + rtl8169_init_phy(dev, tp); + + __rtl8169_set_features(dev, dev->features); + + rtl_pll_power_up(tp); + + rtl_hw_start(dev); + + netif_start_queue(dev); + + rtl_unlock_work(tp); + + tp->saved_wolopts = 0; + pm_runtime_put_noidle(&pdev->dev); + + rtl8169_check_link_status(dev, tp, ioaddr); +out: + return retval; + +err_release_fw_2: + rtl_release_firmware(tp); + rtl8169_rx_clear(tp); +err_free_rx_1: + dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray, + tp->RxPhyAddr); + tp->RxDescArray = NULL; +err_free_tx_0: + dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray, + tp->TxPhyAddr); + tp->TxDescArray = NULL; +err_pm_runtime_put: + pm_runtime_put_noidle(&pdev->dev); + goto out; +} + static struct rtnl_link_stats64 * rtl8169_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats) { @@ -6043,7 +6037,7 @@ static void __devexit rtl_remove_one(struct pci_dev *pdev) } static const struct net_device_ops rtl_netdev_ops = { - .ndo_open = rtl8169_open, + .ndo_open = rtl_open, .ndo_stop = rtl8169_close, .ndo_get_stats64 = rtl8169_get_stats64, .ndo_start_xmit = rtl8169_start_xmit, |