diff options
Diffstat (limited to 'drivers/pci/pci-sysfs.c')
| -rw-r--r-- | drivers/pci/pci-sysfs.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index fad93983bfed..941e939d1da9 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -1011,6 +1011,39 @@ error: return retval; } +static void pci_remove_slot_links(struct pci_dev *dev) +{ + char func[10]; + struct pci_slot *slot; + + sysfs_remove_link(&dev->dev.kobj, "slot"); + list_for_each_entry(slot, &dev->bus->slots, list) { + if (slot->number != PCI_SLOT(dev->devfn)) + continue; + snprintf(func, 10, "function%d", PCI_FUNC(dev->devfn)); + sysfs_remove_link(&slot->kobj, func); + } +} + +static int pci_create_slot_links(struct pci_dev *dev) +{ + int result = 0; + char func[10]; + struct pci_slot *slot; + + list_for_each_entry(slot, &dev->bus->slots, list) { + if (slot->number != PCI_SLOT(dev->devfn)) + continue; + result = sysfs_create_link(&dev->dev.kobj, &slot->kobj, "slot"); + if (result) + goto out; + snprintf(func, 10, "function%d", PCI_FUNC(dev->devfn)); + result = sysfs_create_link(&slot->kobj, &dev->dev.kobj, func); + } +out: + return result; +} + int __must_check pci_create_sysfs_dev_files (struct pci_dev *pdev) { int retval; @@ -1073,6 +1106,8 @@ int __must_check pci_create_sysfs_dev_files (struct pci_dev *pdev) if (retval) goto err_vga_file; + pci_create_slot_links(pdev); + return 0; err_vga_file: @@ -1122,6 +1157,8 @@ void pci_remove_sysfs_dev_files(struct pci_dev *pdev) if (!sysfs_initialized) return; + pci_remove_slot_links(pdev); + pci_remove_capabilities_sysfs(pdev); if (pdev->cfg_size < PCI_CFG_SPACE_EXP_SIZE) |