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/openbmc/linux/drivers/pci/pcie/ |
H A D | portdrv.h | 94c7993f Thu Sep 27 16:41:48 CDT 2018 Mika Westerberg <mika.westerberg@linux.intel.com> PCI/portdrv: Add runtime PM hooks for port service drivers
When PCIe port is runtime suspended/resumed some extra steps might be needed to be executed from the port service driver side. For instance we may need to disable PCIe hotplug interrupt to prevent it from triggering immediately when PCIe link to the downstream component goes down.
To make the above possible add optional ->runtime_suspend() and ->runtime_resume() callbacks to struct pcie_port_service_driver and call them for each port service in runtime suspend/resume callbacks of portdrv.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> [bhelgaas: adjust "slot->state" for 5790a9c78e78 ("PCI: pciehp: Unify controller and slot structs")] Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> 94c7993f Thu Sep 27 16:41:48 CDT 2018 Mika Westerberg <mika.westerberg@linux.intel.com> PCI/portdrv: Add runtime PM hooks for port service drivers When PCIe port is runtime suspended/resumed some extra steps might be needed to be executed from the port service driver side. For instance we may need to disable PCIe hotplug interrupt to prevent it from triggering immediately when PCIe link to the downstream component goes down. To make the above possible add optional ->runtime_suspend() and ->runtime_resume() callbacks to struct pcie_port_service_driver and call them for each port service in runtime suspend/resume callbacks of portdrv. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> [bhelgaas: adjust "slot->state" for 5790a9c78e78 ("PCI: pciehp: Unify controller and slot structs")] Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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