diff options
| author | Keith Busch <keith.busch@intel.com> | 2018-10-11 21:34:10 +0300 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2018-10-19 03:42:54 +0300 |
| commit | 0e98db259fd8760fde556e640b447dadeceefc96 (patch) | |
| tree | f862c1a7816fbca9cf2f865b072320fd1e24bbb4 /drivers/pci | |
| parent | 369fd7b00fce169570d6a74cb369e60dbfc95fb4 (diff) | |
| download | linux-0e98db259fd8760fde556e640b447dadeceefc96.tar.xz | |
PCI/AER: Reuse existing pcie_port_find_device() interface
The port services driver already provides a method to find the pcie_device
for a service. Export that function, use it from the aer_inject module,
and remove the duplicate functionality.
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/pcie/aer_inject.c | 25 | ||||
| -rw-r--r-- | drivers/pci/pcie/portdrv_core.c | 1 |
2 files changed, 5 insertions, 21 deletions
diff --git a/drivers/pci/pcie/aer_inject.c b/drivers/pci/pcie/aer_inject.c index 0eb24346cad3..f40ed5867c89 100644 --- a/drivers/pci/pcie/aer_inject.c +++ b/drivers/pci/pcie/aer_inject.c @@ -303,32 +303,13 @@ out: return 0; } -static int find_aer_device_iter(struct device *device, void *data) -{ - struct pcie_device **result = data; - struct pcie_device *pcie_dev; - - if (device->bus == &pcie_port_bus_type) { - pcie_dev = to_pcie_device(device); - if (pcie_dev->service & PCIE_PORT_SERVICE_AER) { - *result = pcie_dev; - return 1; - } - } - return 0; -} - -static int find_aer_device(struct pci_dev *dev, struct pcie_device **result) -{ - return device_for_each_child(&dev->dev, result, find_aer_device_iter); -} - static int aer_inject(struct aer_error_inj *einj) { struct aer_error *err, *rperr; struct aer_error *err_alloc = NULL, *rperr_alloc = NULL; struct pci_dev *dev, *rpdev; struct pcie_device *edev; + struct device *device; unsigned long flags; unsigned int devfn = PCI_DEVFN(einj->dev, einj->fn); int pos_cap_err, rp_pos_cap_err; @@ -464,7 +445,9 @@ static int aer_inject(struct aer_error_inj *einj) if (ret) goto out_put; - if (find_aer_device(rpdev, &edev)) { + device = pcie_port_find_device(rpdev, PCIE_PORT_SERVICE_AER); + if (device) { + edev = to_pcie_device(device); if (!get_service_data(edev)) { dev_warn(&edev->device, "aer_inject: AER service is not initialized\n"); diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c index 6542c48c7f59..f458ac9cb70c 100644 --- a/drivers/pci/pcie/portdrv_core.c +++ b/drivers/pci/pcie/portdrv_core.c @@ -486,6 +486,7 @@ struct device *pcie_port_find_device(struct pci_dev *dev, device = pdrvs.dev; return device; } +EXPORT_SYMBOL_GPL(pcie_port_find_device); /** * pcie_port_device_remove - unregister PCI Express port service devices |