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Commit 0a1e1b26 authored by Bjorn Helgaas's avatar Bjorn Helgaas
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PCI/PME: Drop unused support for PMEs from Root Complex Event Collectors 



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: default avatarBjorn Helgaas <bhelgaas@google.com>
Acked-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent cc10385b

drivers/pci/pcie/pme.c

+1 −16
Original line number Diff line number Diff line
@@ -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);

	}

}



/**