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Commit 781fb7a3 authored by Benjamin Herrenschmidt's avatar Benjamin Herrenschmidt
Browse files

powerpc/pci: Call pcie_bus_configure_settings() 



This new function is used to properly setup the PCI Express Max Payload Size
(and in some circumstances Max Read Request Size).

Some systems will not operate properly if these aren't set correctly and
the firmware doesn't always do it.

Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent fb82b839

arch/powerpc/kernel/pci-common.c

+11 −0
Original line number Diff line number Diff line
@@ -1730,6 +1730,17 @@ void __devinit pcibios_scan_phb(struct pci_controller *hose) 


	if (mode == PCI_PROBE_NORMAL)

		hose->last_busno = bus->subordinate = pci_scan_child_bus(bus);



	/* Configure PCI Express settings */

	if (bus) {

		struct pci_bus *child;

		list_for_each_entry(child, &bus->children, node) {

			struct pci_dev *self = child->self;

			if (!self)

				continue;

			pcie_bus_configure_settings(child, self->pcie_mpss);

		}

	}

}



static void fixup_hide_host_resource_fsl(struct pci_dev *dev)