On Mon, Apr 09, 2018 at 10:41:52AM -0400, Oza Pawandeep wrote:
> +static int find_dpc_dev_iter(struct device *device, void *data)
> +{
> +     struct pcie_port_service_driver *service_driver;
> +     struct device **dev;
> +
> +     dev = (struct device **) data;
> +
> +     if (device->bus == &pcie_port_bus_type && device->driver) {
> +             service_driver = to_service_driver(device->driver);
> +             if (service_driver->service == PCIE_PORT_SERVICE_DPC) {
> +                     *dev = device;
> +                     return 1;
> +             }
> +     }
> +
> +     return 0;
> +}
> +
> +static struct device *pci_find_dpc_dev(struct pci_dev *pdev)
> +{
> +     struct device *dev = NULL;
> +
> +     device_for_each_child(&pdev->dev, &dev, find_dpc_dev_iter);
> +
> +     return dev;
> +}

The only caller of this doesn't seem to care to use struct device. This
should probably just extract struct dpc_dev directly from in here.

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