On Monday, November 21, 2016 03:45:19 PM Bjorn Helgaas wrote:
> Since we register pcie_pme_driver only for PCI_EXP_TYPE_ROOT_PORT, the PME
> driver never claims Root Complex Event Collectors.
>
> Remove unused code related to Root Complex Event Collectors.
>
> Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
> ---
> drivers/pci/pcie/pme.c | 17 +----------------
> 1 file changed, 1 insertion(+), 16 deletions(-)
>
> diff --git a/drivers/pci/pcie/pme.c b/drivers/pci/pcie/pme.c
> index 884bad5..9e8aa9d 100644
> --- a/drivers/pci/pcie/pme.c
> +++ b/drivers/pci/pcie/pme.c
> @@ -319,23 +319,8 @@ static int pcie_pme_set_native(struct pci_dev *dev, void *ign)
> static void pcie_pme_mark_devices(struct pci_dev *port)
> {
> pcie_pme_set_native(port, NULL);
> - if (port->subordinate) {
> + if (port->subordinate)
> pci_walk_bus(port->subordinate, pcie_pme_set_native, NULL);
> - } else {
> - struct pci_bus *bus = port->bus;
> - struct pci_dev *dev;
> -
> - /* Check if this is a root port event collector. */
> - if (pci_pcie_type(port) != PCI_EXP_TYPE_RC_EC || !bus)
> - return;
> -
> - down_read(&pci_bus_sem);
> - list_for_each_entry(dev, &bus->devices, bus_list)
> - if (pci_is_pcie(dev)
> - && pci_pcie_type(dev) == PCI_EXP_TYPE_RC_END)
> - pcie_pme_set_native(dev, NULL);
> - up_read(&pci_bus_sem);
> - }
> }
>
> /**
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
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