On Wed, Oct 19, 2016 at 4:07 PM, Lukas Wunner <lukas@xxxxxxxxx> wrote: > Linux v4.8 added support to runtime suspend PCIe ports to D3hot. > > Patches 1 to 6 of this series apply high gloss polish to that code to > speed it up, reduce its size and improve its readability. None of these > patches should result in a functional change. (And they didn't in my > tests.) > > Patches 7 and 8 are cleanups / refactorings for acpiphp. They're prep > work for patch 9 and likewise shouldn't cause a functional change. > > Patch 9 extends runtime PM support to hotplug ports. > > > @Keith Busch: I seem to recall you're working with large arrays of NVMe > drives connected to native PCIe hotplug ports. Perhaps you could give > this series a spin, it might save quite a bit of power. > > To ease reviewing I've pushed this series to GitHub: > https://github.com/l1k/linux/commits/pcie_port_pm_v1 > > Thanks, > > Lukas > > > Lukas Wunner (9): > PCI: Don't acquire ref on parent in pci_bridge_d3_update() > PCI: Autosense device removal in pci_bridge_d3_update() > PCI: Speed up algorithm in pci_bridge_d3_update() > PCI: Activate runtime PM on a PCIe port only if it can suspend > PCI: Consolidate conditions to allow runtime PM on PCIe ports > PCI: Unfold conditions to block runtime PM on PCIe ports > ACPI / hotplug / PCI: Use cached copy of PCI_EXP_SLTCAP_HPC bit > ACPI / hotplug / PCI: Make device_is_managed_by_native_pciehp() public > PCI: pciehp: Add runtime PM support for PCIe hotplug ports For the whole series: Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> and I'm assuming that it will go in through the PCI tree. Thanks, Rafael -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html