On 2018-07-01 13:14, Lukas Wunner wrote:
On Thu, Jun 28, 2018 at 03:31:05PM -0400, Sinan Kaya wrote:+static pci_ers_result_t pciehp_reset_link(struct pci_dev *pdev) +{ + struct pcie_device *pciedev; + struct controller *ctrl; + struct device *devhp; + struct slot *slot; + int rc; + + devhp = pcie_port_find_device(pdev, PCIE_PORT_SERVICE_HP); + pciedev = to_pcie_device(devhp); + ctrl = get_service_data(pciedev); + slot = ctrl->slot; + + rc = reset_slot(slot->hotplug_slot, 0); + + return !rc ? PCI_ERS_RESULT_RECOVERED : PCI_ERS_RESULT_DISCONNECT; +}This looks like a bit of a detour. There's a "struct pci_slot *slot" pointer in struct pci_dev. Any reason not to simply call: rc = reset_slot(pdev->slot->hotplug_slot)
pdev here is the bridge. Slot pointers are only valid for children objects.
Lukas
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