diff options
Diffstat (limited to 'drivers/net/ethernet/sun/sungem.c')
| -rw-r--r-- | drivers/net/ethernet/sun/sungem.c | 129 |
1 files changed, 70 insertions, 59 deletions
diff --git a/drivers/net/ethernet/sun/sungem.c b/drivers/net/ethernet/sun/sungem.c index 2d392a7b179a..eeb8518c8a84 100644 --- a/drivers/net/ethernet/sun/sungem.c +++ b/drivers/net/ethernet/sun/sungem.c @@ -670,7 +670,8 @@ static __inline__ void gem_tx(struct net_device *dev, struct gem *gp, u32 gem_st dma_addr = le64_to_cpu(txd->buffer); dma_len = le64_to_cpu(txd->control_word) & TXDCTRL_BUFSZ; - pci_unmap_page(gp->pdev, dma_addr, dma_len, PCI_DMA_TODEVICE); + dma_unmap_page(&gp->pdev->dev, dma_addr, dma_len, + DMA_TO_DEVICE); entry = NEXT_TX(entry); } @@ -809,16 +810,15 @@ static int gem_rx(struct gem *gp, int work_to_do) drops++; goto drop_it; } - pci_unmap_page(gp->pdev, dma_addr, - RX_BUF_ALLOC_SIZE(gp), - PCI_DMA_FROMDEVICE); + dma_unmap_page(&gp->pdev->dev, dma_addr, + RX_BUF_ALLOC_SIZE(gp), DMA_FROM_DEVICE); gp->rx_skbs[entry] = new_skb; skb_put(new_skb, (gp->rx_buf_sz + RX_OFFSET)); - rxd->buffer = cpu_to_le64(pci_map_page(gp->pdev, + rxd->buffer = cpu_to_le64(dma_map_page(&gp->pdev->dev, virt_to_page(new_skb->data), offset_in_page(new_skb->data), RX_BUF_ALLOC_SIZE(gp), - PCI_DMA_FROMDEVICE)); + DMA_FROM_DEVICE)); skb_reserve(new_skb, RX_OFFSET); /* Trim the original skb for the netif. */ @@ -833,9 +833,11 @@ static int gem_rx(struct gem *gp, int work_to_do) skb_reserve(copy_skb, 2); skb_put(copy_skb, len); - pci_dma_sync_single_for_cpu(gp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE); + dma_sync_single_for_cpu(&gp->pdev->dev, dma_addr, len, + DMA_FROM_DEVICE); skb_copy_from_linear_data(skb, copy_skb->data, len); - pci_dma_sync_single_for_device(gp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE); + dma_sync_single_for_device(&gp->pdev->dev, dma_addr, + len, DMA_FROM_DEVICE); /* We'll reuse the original ring buffer. */ skb = copy_skb; @@ -1020,10 +1022,10 @@ static netdev_tx_t gem_start_xmit(struct sk_buff *skb, u32 len; len = skb->len; - mapping = pci_map_page(gp->pdev, + mapping = dma_map_page(&gp->pdev->dev, virt_to_page(skb->data), offset_in_page(skb->data), - len, PCI_DMA_TODEVICE); + len, DMA_TO_DEVICE); ctrl |= TXDCTRL_SOF | TXDCTRL_EOF | len; if (gem_intme(entry)) ctrl |= TXDCTRL_INTME; @@ -1046,9 +1048,10 @@ static netdev_tx_t gem_start_xmit(struct sk_buff *skb, * Otherwise we could race with the device. */ first_len = skb_headlen(skb); - first_mapping = pci_map_page(gp->pdev, virt_to_page(skb->data), + first_mapping = dma_map_page(&gp->pdev->dev, + virt_to_page(skb->data), offset_in_page(skb->data), - first_len, PCI_DMA_TODEVICE); + first_len, DMA_TO_DEVICE); entry = NEXT_TX(entry); for (frag = 0; frag < skb_shinfo(skb)->nr_frags; frag++) { @@ -1574,9 +1577,9 @@ static void gem_clean_rings(struct gem *gp) if (gp->rx_skbs[i] != NULL) { skb = gp->rx_skbs[i]; dma_addr = le64_to_cpu(rxd->buffer); - pci_unmap_page(gp->pdev, dma_addr, + dma_unmap_page(&gp->pdev->dev, dma_addr, RX_BUF_ALLOC_SIZE(gp), - PCI_DMA_FROMDEVICE); + DMA_FROM_DEVICE); dev_kfree_skb_any(skb); gp->rx_skbs[i] = NULL; } @@ -1598,9 +1601,9 @@ static void gem_clean_rings(struct gem *gp) txd = &gb->txd[ent]; dma_addr = le64_to_cpu(txd->buffer); - pci_unmap_page(gp->pdev, dma_addr, + dma_unmap_page(&gp->pdev->dev, dma_addr, le64_to_cpu(txd->control_word) & - TXDCTRL_BUFSZ, PCI_DMA_TODEVICE); + TXDCTRL_BUFSZ, DMA_TO_DEVICE); if (frag != skb_shinfo(skb)->nr_frags) i++; @@ -1637,11 +1640,11 @@ static void gem_init_rings(struct gem *gp) gp->rx_skbs[i] = skb; skb_put(skb, (gp->rx_buf_sz + RX_OFFSET)); - dma_addr = pci_map_page(gp->pdev, + dma_addr = dma_map_page(&gp->pdev->dev, virt_to_page(skb->data), offset_in_page(skb->data), RX_BUF_ALLOC_SIZE(gp), - PCI_DMA_FROMDEVICE); + DMA_FROM_DEVICE); rxd->buffer = cpu_to_le64(dma_addr); dma_wmb(); rxd->status_word = cpu_to_le64(RXDCTRL_FRESH(gp)); @@ -2139,20 +2142,6 @@ static int gem_do_start(struct net_device *dev) struct gem *gp = netdev_priv(dev); int rc; - /* Enable the cell */ - gem_get_cell(gp); - - /* Make sure PCI access and bus master are enabled */ - rc = pci_enable_device(gp->pdev); - if (rc) { - netdev_err(dev, "Failed to enable chip on PCI bus !\n"); - - /* Put cell and forget it for now, it will be considered as - * still asleep, a new sleep cycle may bring it back - */ - gem_put_cell(gp); - return -ENXIO; - } pci_set_master(gp->pdev); /* Init & setup chip hardware */ @@ -2230,13 +2219,6 @@ static void gem_do_stop(struct net_device *dev, int wol) /* Shut the PHY down eventually and setup WOL */ gem_stop_phy(gp, wol); - - /* Make sure bus master is disabled */ - pci_disable_device(gp->pdev); - - /* Cell not needed neither if no WOL */ - if (!wol) - gem_put_cell(gp); } static void gem_reset_task(struct work_struct *work) @@ -2288,26 +2270,53 @@ static void gem_reset_task(struct work_struct *work) static int gem_open(struct net_device *dev) { + struct gem *gp = netdev_priv(dev); + int rc; + /* We allow open while suspended, we just do nothing, * the chip will be initialized in resume() */ - if (netif_device_present(dev)) + if (netif_device_present(dev)) { + /* Enable the cell */ + gem_get_cell(gp); + + /* Make sure PCI access and bus master are enabled */ + rc = pci_enable_device(gp->pdev); + if (rc) { + netdev_err(dev, "Failed to enable chip on PCI bus !\n"); + + /* Put cell and forget it for now, it will be considered + *as still asleep, a new sleep cycle may bring it back + */ + gem_put_cell(gp); + return -ENXIO; + } return gem_do_start(dev); + } + return 0; } static int gem_close(struct net_device *dev) { - if (netif_device_present(dev)) + struct gem *gp = netdev_priv(dev); + + if (netif_device_present(dev)) { gem_do_stop(dev, 0); + /* Make sure bus master is disabled */ + pci_disable_device(gp->pdev); + + /* Cell not needed neither if no WOL */ + if (!gp->asleep_wol) + gem_put_cell(gp); + } return 0; } -#ifdef CONFIG_PM -static int gem_suspend(struct pci_dev *pdev, pm_message_t state) +static int __maybe_unused gem_suspend(struct device *dev_d) { - struct net_device *dev = pci_get_drvdata(pdev); + struct net_device *dev = dev_get_drvdata(dev_d); struct gem *gp = netdev_priv(dev); /* Lock the network stack first to avoid racing with open/close, @@ -2336,15 +2345,19 @@ static int gem_suspend(struct pci_dev *pdev, pm_message_t state) gp->asleep_wol = !!gp->wake_on_lan; gem_do_stop(dev, gp->asleep_wol); + /* Cell not needed neither if no WOL */ + if (!gp->asleep_wol) + gem_put_cell(gp); + /* Unlock the network stack */ rtnl_unlock(); return 0; } -static int gem_resume(struct pci_dev *pdev) +static int __maybe_unused gem_resume(struct device *dev_d) { - struct net_device *dev = pci_get_drvdata(pdev); + struct net_device *dev = dev_get_drvdata(dev_d); struct gem *gp = netdev_priv(dev); /* See locking comment in gem_suspend */ @@ -2359,6 +2372,9 @@ static int gem_resume(struct pci_dev *pdev) return 0; } + /* Enable the cell */ + gem_get_cell(gp); + /* Restart chip. If that fails there isn't much we can do, we * leave things stopped. */ @@ -2375,7 +2391,6 @@ static int gem_resume(struct pci_dev *pdev) return 0; } -#endif /* CONFIG_PM */ static struct net_device_stats *gem_get_stats(struct net_device *dev) { @@ -2802,10 +2817,8 @@ static void gem_remove_one(struct pci_dev *pdev) cancel_work_sync(&gp->reset_task); /* Free resources */ - pci_free_consistent(pdev, - sizeof(struct gem_init_block), - gp->init_block, - gp->gblock_dvma); + dma_free_coherent(&pdev->dev, sizeof(struct gem_init_block), + gp->init_block, gp->gblock_dvma); iounmap(gp->regs); pci_release_regions(pdev); free_netdev(dev); @@ -2861,10 +2874,10 @@ static int gem_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) */ if (pdev->vendor == PCI_VENDOR_ID_SUN && pdev->device == PCI_DEVICE_ID_SUN_GEM && - !pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) { + !dma_set_mask(&pdev->dev, DMA_BIT_MASK(64))) { pci_using_dac = 1; } else { - err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); + err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); if (err) { pr_err("No usable DMA configuration, aborting\n"); goto err_disable_device; @@ -2953,8 +2966,8 @@ static int gem_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) * PAGE_SIZE aligned. */ gp->init_block = (struct gem_init_block *) - pci_alloc_consistent(pdev, sizeof(struct gem_init_block), - &gp->gblock_dvma); + dma_alloc_coherent(&pdev->dev, sizeof(struct gem_init_block), + &gp->gblock_dvma, GFP_KERNEL); if (!gp->init_block) { pr_err("Cannot allocate init block, aborting\n"); err = -ENOMEM; @@ -3019,16 +3032,14 @@ err_disable_device: } +static SIMPLE_DEV_PM_OPS(gem_pm_ops, gem_suspend, gem_resume); static struct pci_driver gem_driver = { .name = GEM_MODULE_NAME, .id_table = gem_pci_tbl, .probe = gem_init_one, .remove = gem_remove_one, -#ifdef CONFIG_PM - .suspend = gem_suspend, - .resume = gem_resume, -#endif /* CONFIG_PM */ + .driver.pm = &gem_pm_ops, }; module_pci_driver(gem_driver); |