diff options
| author | Bjorn Helgaas <bhelgaas@google.com> | 2021-07-06 10:56:24 -0500 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2021-07-06 10:56:24 -0500 |
| commit | 76d826c32f88a1c39bc51cf262db48b4babc7414 (patch) | |
| tree | 9503aa3e43e0ca9ae2ac329b90354105411c381c /drivers/pci/pci.c | |
| parent | e92605b0a0cdafb6c37b9d1ad24fe1cf8280eeb6 (diff) | |
| parent | 411e2a43d210e98730713acf6d01dcf823ee35e3 (diff) | |
Merge branch 'pci/reset'
- Add pci_reset_bus_function() Secondary Bus Reset interface (Raphael
Norwitz)
- Work around Huawei Intelligent NIC VF FLR erratum (Chiqijun)
* pci/reset:
PCI: Work around Huawei Intelligent NIC VF FLR erratum
PCI: Add pci_reset_bus_function() Secondary Bus Reset interface
Diffstat (limited to 'drivers/pci/pci.c')
| -rw-r--r-- | drivers/pci/pci.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index b717680377a9..452351025a09 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -5020,6 +5020,16 @@ static int pci_dev_reset_slot_function(struct pci_dev *dev, int probe) return pci_reset_hotplug_slot(dev->slot->hotplug, probe); } +static int pci_reset_bus_function(struct pci_dev *dev, int probe) +{ + int rc; + + rc = pci_dev_reset_slot_function(dev, probe); + if (rc != -ENOTTY) + return rc; + return pci_parent_bus_reset(dev, probe); +} + static void pci_dev_lock(struct pci_dev *dev) { pci_cfg_access_lock(dev); @@ -5140,10 +5150,7 @@ int __pci_reset_function_locked(struct pci_dev *dev) rc = pci_pm_reset(dev, 0); if (rc != -ENOTTY) return rc; - rc = pci_dev_reset_slot_function(dev, 0); - if (rc != -ENOTTY) - return rc; - return pci_parent_bus_reset(dev, 0); + return pci_reset_bus_function(dev, 0); } EXPORT_SYMBOL_GPL(__pci_reset_function_locked); @@ -5175,11 +5182,8 @@ int pci_probe_reset_function(struct pci_dev *dev) rc = pci_pm_reset(dev, 1); if (rc != -ENOTTY) return rc; - rc = pci_dev_reset_slot_function(dev, 1); - if (rc != -ENOTTY) - return rc; - return pci_parent_bus_reset(dev, 1); + return pci_reset_bus_function(dev, 1); } /** |