diff options
Diffstat (limited to 'drivers/pci/pci.c')
| -rw-r--r-- | drivers/pci/pci.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 17e4341df0ff..3d98834ccc3a 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -2116,14 +2116,14 @@ void pcim_pin_device(struct pci_dev *pdev) EXPORT_SYMBOL(pcim_pin_device); /* - * pcibios_add_device - provide arch specific hooks when adding device dev + * pcibios_device_add - provide arch specific hooks when adding device dev * @dev: the PCI device being added * * Permits the platform to provide architecture specific functionality when * devices are added. This is the default implementation. Architecture * implementations can override this. */ -int __weak pcibios_add_device(struct pci_dev *dev) +int __weak pcibios_device_add(struct pci_dev *dev) { return 0; } @@ -3744,6 +3744,14 @@ int pci_enable_atomic_ops_to_root(struct pci_dev *dev, u32 cap_mask) struct pci_dev *bridge; u32 cap, ctl2; + /* + * Per PCIe r5.0, sec 9.3.5.10, the AtomicOp Requester Enable bit + * in Device Control 2 is reserved in VFs and the PF value applies + * to all associated VFs. + */ + if (dev->is_virtfn) + return -EINVAL; + if (!pci_is_pcie(dev)) return -EINVAL; |