Commit 0e98db25 authored by Keith Busch's avatar Keith Busch Committed by Bjorn Helgaas

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: default avatarKeith Busch <keith.busch@intel.com>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
parent 369fd7b0
......@@ -303,32 +303,13 @@ static int pci_bus_set_aer_ops(struct pci_bus *bus)
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");
......
......@@ -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
......
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