Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux

[pandora-kernel.git] / drivers / pci / hotplug / pcihp_slot.c

diff --git a/drivers/pci/hotplug/pcihp_slot.c b/drivers/pci/hotplug/pcihp_slot.c
index 749fdf0..3ffd9c1 100644 (file)
--- a/drivers/pci/hotplug/pcihp_slot.c
+++ b/drivers/pci/hotplug/pcihp_slot.c
@@ -158,47 +158,6 @@ static void program_hpp_type2(struct pci_dev *dev, struct hpp_type2 *hpp)
         */
 }
 
-/* Program PCIE MaxPayload setting on device: ensure parent maxpayload <= device */
-static int pci_set_payload(struct pci_dev *dev)
-{
-       int pos, ppos;
-       u16 pctl, psz;
-       u16 dctl, dsz, dcap, dmax;
-       struct pci_dev *parent;
-
-       parent = dev->bus->self;
-       pos = pci_find_capability(dev, PCI_CAP_ID_EXP);
-       if (!pos)
-               return 0;
-
-       /* Read Device MaxPayload capability and setting */
-       pci_read_config_word(dev, pos + PCI_EXP_DEVCTL, &dctl);
-       pci_read_config_word(dev, pos + PCI_EXP_DEVCAP, &dcap);
-       dsz = (dctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5;
-       dmax = (dcap & PCI_EXP_DEVCAP_PAYLOAD);
-
-       /* Read Parent MaxPayload setting */
-       ppos = pci_find_capability(parent, PCI_CAP_ID_EXP);
-       if (!ppos)
-               return 0;
-       pci_read_config_word(parent, ppos + PCI_EXP_DEVCTL, &pctl);
-       psz = (pctl &  PCI_EXP_DEVCTL_PAYLOAD) >> 5;
-
-       /* If parent payload > device max payload -> error
-        * If parent payload > device payload -> set speed
-        * If parent payload <= device payload -> do nothing
-        */
-       if (psz > dmax)
-               return -1;
-       else if (psz > dsz) {
-               dev_info(&dev->dev, "Setting MaxPayload to %d\n", 128 << psz);
-               pci_write_config_word(dev, pos + PCI_EXP_DEVCTL,
-                                     (dctl & ~PCI_EXP_DEVCTL_PAYLOAD) +
-                                     (psz << 5));
-       }
-       return 0;
-}
-
 void pci_configure_slot(struct pci_dev *dev)
 {
        struct pci_dev *cdev;
@@ -210,9 +169,9 @@ void pci_configure_slot(struct pci_dev *dev)
                        (dev->class >> 8) == PCI_CLASS_BRIDGE_PCI)))
                return;
 
-       ret = pci_set_payload(dev);
-       if (ret)
-               dev_warn(&dev->dev, "could not set device max payload\n");
+       if (dev->bus && dev->bus->self)
+               pcie_bus_configure_settings(dev->bus,
+                                           dev->bus->self->pcie_mpss);
 
        memset(&hpp, 0, sizeof(hpp));
        ret = pci_get_hp_params(dev, &hpp);