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PCI: aerdrv: rework find_aer_service

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The structure find_aer_service_data is no longer useful.

Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Reviewed-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Reviewed-by: Jin Dongming <jin.dongming@np.css.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Hidetoshi Seto 2010-04-15 13:20:43 +09:00 committed by Jesse Barnes
parent 4f7ccf6a60
commit 517cae3829
1 changed files with 16 additions and 21 deletions
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37
drivers/pci/pcie/aer/aerdrv_core.c
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@ -373,21 +373,16 @@ static pci_ers_result_t broadcast_error_message(struct pci_dev *dev,
return result_data.result;
}
struct find_aer_service_data {
struct pcie_port_service_driver *aer_driver;
};
static int find_aer_service_iter(struct device *device, void *data)
{
struct pcie_port_service_driver *service_driver;
struct find_aer_service_data *result;
struct pcie_port_service_driver *service_driver, **drv;
result = (struct find_aer_service_data *) data;
drv = (struct pcie_port_service_driver **) data;
if (device->bus == &pcie_port_bus_type && device->driver) {
service_driver = to_service_driver(device->driver);
if (service_driver->service == PCIE_PORT_SERVICE_AER) {
result->aer_driver = service_driver;
*drv = service_driver;
return 1;
}
}
@ -395,11 +390,13 @@ static int find_aer_service_iter(struct device *device, void *data)
return 0;
}
static void find_aer_service(struct pci_dev *dev,
struct find_aer_service_data *data)
static struct pcie_port_service_driver *find_aer_service(struct pci_dev *dev)
{
int retval;
retval = device_for_each_child(&dev->dev, data, find_aer_service_iter);
struct pcie_port_service_driver *drv = NULL;
device_for_each_child(&dev->dev, &drv, find_aer_service_iter);
return drv;
}
static pci_ers_result_t reset_link(struct pcie_device *aerdev,
@ -407,26 +404,24 @@ static pci_ers_result_t reset_link(struct pcie_device *aerdev,
{
struct pci_dev *udev;
pci_ers_result_t status;
struct find_aer_service_data data;
struct pcie_port_service_driver *driver;
if (dev->hdr_type & PCI_HEADER_TYPE_BRIDGE)
udev = dev;
else
udev = dev->bus->self;
data.aer_driver = NULL;
find_aer_service(udev, &data);
/* Use the aer driver of the component firstly */
driver = find_aer_service(udev);
/*
* Use the aer driver of the error agent firstly.
* If it hasn't the aer driver, use the root port's
* If it hasn't the driver and is downstream port, use the root port's
*/
if (!data.aer_driver || !data.aer_driver->reset_link) {
if (!driver || !driver->reset_link) {
if (udev->pcie_type == PCI_EXP_TYPE_DOWNSTREAM &&
aerdev->device.driver &&
to_service_driver(aerdev->device.driver)->reset_link) {
data.aer_driver =
to_service_driver(aerdev->device.driver);
driver = to_service_driver(aerdev->device.driver);
} else {
dev_printk(KERN_DEBUG, &dev->dev,
"no link-reset support at upstream device %s\n",
@ -435,7 +430,7 @@ static pci_ers_result_t reset_link(struct pcie_device *aerdev,
}
}
status = data.aer_driver->reset_link(udev);
status = driver->reset_link(udev);
if (status != PCI_ERS_RESULT_RECOVERED) {
dev_printk(KERN_DEBUG, &dev->dev,
"link reset at upstream device %s failed\n",