diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-21 18:58:52 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-21 18:58:52 -0700 |
| commit | 6109e2ce2600e2db26cd0424bb9c6ed019723288 (patch) | |
| tree | 54b5d347bf12e0a987edfb52f287399f748a9a38 /drivers/pci/pci-sysfs.c | |
| parent | 0961d6581c870850342ad6ea25263763433d666f (diff) | |
| parent | ac81860ea073daed50246af54db706c6e491f240 (diff) | |
Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6
* 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: (36 commits)
PCI: hotplug: pciehp: Removed check for hotplug of display devices
PCI: read memory ranges out of Broadcom CNB20LE host bridge
PCI: Allow manual resource allocation for PCI hotplug bridges
x86/PCI: make ACPI MCFG reserved error messages ACPI specific
PCI hotplug: Use kmemdup
PM/PCI: Update PCI power management documentation
PCI: output FW warning in pci_read/write_vpd
PCI: fix typos pci_device_dis/enable to pci_dis/enable_device in comments
PCI quirks: disable msi on AMD rs4xx internal gfx bridges
PCI: Disable MSI for MCP55 on P5N32-E SLI
x86/PCI: irq and pci_ids patch for additional Intel Cougar Point DeviceIDs
PCI: aerdrv: trivial cleanup for aerdrv_core.c
PCI: aerdrv: trivial cleanup for aerdrv.c
PCI: aerdrv: introduce default_downstream_reset_link
PCI: aerdrv: rework find_aer_service
PCI: aerdrv: remove is_downstream
PCI: aerdrv: remove magical ROOT_ERR_STATUS_MASKS
PCI: aerdrv: redefine PCI_ERR_ROOT_*_SRC
PCI: aerdrv: rework do_recovery
PCI: aerdrv: rework get_e_source()
...
Diffstat (limited to 'drivers/pci/pci-sysfs.c')
| -rw-r--r-- | drivers/pci/pci-sysfs.c | 44 |
1 files changed, 43 insertions, 1 deletions
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index 6309c5a2528..afd2fbf7d79 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -979,7 +979,12 @@ static ssize_t reset_store(struct device *dev, if (val != 1) return -EINVAL; - return pci_reset_function(pdev); + + result = pci_reset_function(pdev); + if (result < 0) + return result; + + return count; } static struct device_attribute reset_attr = __ATTR(reset, 0200, NULL, reset_store); @@ -1030,6 +1035,39 @@ 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; @@ -1092,6 +1130,8 @@ 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: @@ -1141,6 +1181,8 @@ 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) |