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r8169: switch to device-managed functions in probe 

Simplify probe error path and remove callback by using device-managed
functions.

rtl_disable_msi isn't needed any longer because the release callback
of pcim_enable_device does this implicitely.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Heiner Kallweit 2017-12-12 07:41:02 +01:00 committed by David S. Miller
parent fc0f9f4d2f
commit 4c45d24a75
1 changed files with 20 additions and 60 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

80
drivers/net/ethernet/realtek/r8169.c
View File

@ -4643,16 +4643,6 @@ static void rtl8169_phy_timer(struct timer_list *t)
rtl_schedule_task(tp, RTL_FLAG_TASK_PHY_PENDING);
}
static void rtl8169_release_board(struct pci_dev *pdev, struct net_device *dev,
void __iomem *ioaddr)
{
iounmap(ioaddr);
pci_release_regions(pdev);
pci_clear_mwi(pdev);
pci_disable_device(pdev);
free_netdev(dev);
}
DECLARE_RTL_COND(rtl_phy_reset_cond)
{
return tp->phy_reset_pending(tp);
@ -4784,14 +4774,6 @@ static int rtl_tbi_ioctl(struct rtl8169_private *tp, struct mii_ioctl_data *data
return -EOPNOTSUPP;
}
static void rtl_disable_msi(struct pci_dev *pdev, struct rtl8169_private *tp)
{
if (tp->features & RTL_FEATURE_MSI) {
pci_disable_msi(pdev);
tp->features &= ~RTL_FEATURE_MSI;
}
}
static void rtl_init_mdio_ops(struct rtl8169_private *tp)
{
struct mdio_ops *ops = &tp->mdio_ops;
@ -8256,9 +8238,6 @@ static void rtl_remove_one(struct pci_dev *pdev)
unregister_netdev(dev);
dma_free_coherent(&tp->pci_dev->dev, sizeof(*tp->counters),
tp->counters, tp->counters_phys_addr);
rtl_release_firmware(tp);
if (pci_dev_run_wake(pdev))
@ -8266,9 +8245,6 @@ static void rtl_remove_one(struct pci_dev *pdev)
/* restore original MAC address */
rtl_rar_set(tp, dev->perm_addr);
rtl_disable_msi(pdev, tp);
rtl8169_release_board(pdev, dev, tp->mmio_addr);
}
static const struct net_device_ops rtl_netdev_ops = {
@ -8445,11 +8421,9 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
MODULENAME, RTL8169_VERSION);
}
dev = alloc_etherdev(sizeof (*tp));
if (!dev) {
rc = -ENOMEM;
goto out;
}
dev = devm_alloc_etherdev(&pdev->dev, sizeof (*tp));
if (!dev)
return -ENOMEM;
SET_NETDEV_DEV(dev, &pdev->dev);
dev->netdev_ops = &rtl_netdev_ops;
@ -8472,13 +8446,13 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
PCIE_LINK_STATE_CLKPM);
/* enable device (incl. PCI PM wakeup and hotplug setup) */
rc = pci_enable_device(pdev);
rc = pcim_enable_device(pdev);
if (rc < 0) {
netif_err(tp, probe, dev, "enable failure\n");
goto err_out_free_dev_1;
return rc;
}
if (pci_set_mwi(pdev) < 0)
if (pcim_set_mwi(pdev) < 0)
netif_info(tp, probe, dev, "Mem-Wr-Inval unavailable\n");
/* make sure PCI base addr 1 is MMIO */
@ -8486,30 +8460,28 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
netif_err(tp, probe, dev,
"region #%d not an MMIO resource, aborting\n",
region);
rc = -ENODEV;
goto err_out_mwi_2;
return -ENODEV;
}
/* check for weird/broken PCI region reporting */
if (pci_resource_len(pdev, region) < R8169_REGS_SIZE) {
netif_err(tp, probe, dev,
"Invalid PCI region size(s), aborting\n");
rc = -ENODEV;
goto err_out_mwi_2;
return -ENODEV;
}
rc = pci_request_regions(pdev, MODULENAME);
if (rc < 0) {
netif_err(tp, probe, dev, "could not request regions\n");
goto err_out_mwi_2;
return rc;
}
/* ioremap MMIO region */
ioaddr = ioremap(pci_resource_start(pdev, region), R8169_REGS_SIZE);
ioaddr = devm_ioremap(&pdev->dev, pci_resource_start(pdev, region),
R8169_REGS_SIZE);
if (!ioaddr) {
netif_err(tp, probe, dev, "cannot remap MMIO, aborting\n");
rc = -EIO;
goto err_out_free_res_3;
return -EIO;
}
tp->mmio_addr = ioaddr;
@ -8535,7 +8507,7 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
if (rc < 0) {
netif_err(tp, probe, dev, "DMA configuration failed\n");
goto err_out_unmap_4;
return rc;
}
}
@ -8697,8 +8669,9 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
tp->rtl_fw = RTL_FIRMWARE_UNKNOWN;
tp->counters = dma_alloc_coherent (&pdev->dev, sizeof(*tp->counters),
&tp->counters_phys_addr, GFP_KERNEL);
tp->counters = dmam_alloc_coherent (&pdev->dev, sizeof(*tp->counters),
&tp->counters_phys_addr,
GFP_KERNEL);
if (!tp->counters) {
rc = -ENOMEM;
goto err_out_msi_5;
@ -8706,7 +8679,7 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
rc = register_netdev(dev);
if (rc < 0)
goto err_out_cnt_6;
goto err_out_msi_5;
pci_set_drvdata(pdev, dev);
@ -8735,25 +8708,12 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
netif_carrier_off(dev);
out:
return rc;
return 0;
err_out_cnt_6:
dma_free_coherent(&pdev->dev, sizeof(*tp->counters), tp->counters,
tp->counters_phys_addr);
err_out_msi_5:
netif_napi_del(&tp->napi);
rtl_disable_msi(pdev, tp);
err_out_unmap_4:
iounmap(ioaddr);
err_out_free_res_3:
pci_release_regions(pdev);
err_out_mwi_2:
pci_clear_mwi(pdev);
pci_disable_device(pdev);
err_out_free_dev_1:
free_netdev(dev);
goto out;
return rc;
}
static struct pci_driver rtl8169_pci_driver = {