Commit 877b3729 authored Jan 03, 2018 by Rafael J. Wysocki

PCI / PM: Use SMART_SUSPEND and LEAVE_SUSPENDED flags for PCIe ports



Make the PCIe port driver set DPM_FLAG_SMART_SUSPEND and
DPM_FLAG_LEAVE_SUSPENDED for the devices handled by it to benefit
from the opportunistic optimizations in the PCI layer enabled by
these flags.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>

parent cf04ce78

drivers/pci/pcie/portdrv_pci.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -150,6 +150,9 @@ static int pcie_portdrv_probe(struct pci_dev *dev,

		pci_save_state(dev);

		dev_pm_set_driver_flags(&dev->dev, DPM_FLAG_SMART_SUSPEND \|
		DPM_FLAG_LEAVE_SUSPENDED);

		if (pci_bridge_d3_possible(dev)) {
		/*
		* Keep the port resumed 100ms to make sure things like

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