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path: root/drivers/pci/probe.c
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Diffstat (limited to 'drivers/pci/probe.c')
-rw-r--r--drivers/pci/probe.c24
1 files changed, 21 insertions, 3 deletions
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 201f9e5ff55c..b1c05b5054a0 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -713,6 +713,7 @@ static void pci_set_bus_speed(struct pci_bus *bus)
pcie_capability_read_dword(bridge, PCI_EXP_LNKCAP, &linkcap);
bus->max_bus_speed = pcie_link_speed[linkcap & PCI_EXP_LNKCAP_SLS];
+ bridge->link_active_reporting = !!(linkcap & PCI_EXP_LNKCAP_DLLLARC);
pcie_capability_read_word(bridge, PCI_EXP_LNKSTA, &linksta);
pcie_update_link_speed(bus, linksta);
@@ -1438,12 +1439,29 @@ static int pci_cfg_space_size_ext(struct pci_dev *dev)
return PCI_CFG_SPACE_EXP_SIZE;
}
+#ifdef CONFIG_PCI_IOV
+static bool is_vf0(struct pci_dev *dev)
+{
+ if (pci_iov_virtfn_devfn(dev->physfn, 0) == dev->devfn &&
+ pci_iov_virtfn_bus(dev->physfn, 0) == dev->bus->number)
+ return true;
+
+ return false;
+}
+#endif
+
int pci_cfg_space_size(struct pci_dev *dev)
{
int pos;
u32 status;
u16 class;
+#ifdef CONFIG_PCI_IOV
+ /* Read cached value for all VFs except for VF0 */
+ if (dev->is_virtfn && !is_vf0(dev))
+ return dev->physfn->sriov->cfg_size;
+#endif
+
if (dev->bus->bus_flags & PCI_BUS_FLAGS_NO_EXTCFG)
return PCI_CFG_SPACE_SIZE;
@@ -2143,7 +2161,7 @@ static void pci_release_dev(struct device *dev)
pcibios_release_device(pci_dev);
pci_bus_put(pci_dev->bus);
kfree(pci_dev->driver_override);
- kfree(pci_dev->dma_alias_mask);
+ bitmap_free(pci_dev->dma_alias_mask);
kfree(pci_dev);
}
@@ -2397,8 +2415,8 @@ void pci_device_add(struct pci_dev *dev, struct pci_bus *bus)
dev->dev.dma_parms = &dev->dma_parms;
dev->dev.coherent_dma_mask = 0xffffffffull;
- pci_set_dma_max_seg_size(dev, 65536);
- pci_set_dma_seg_boundary(dev, 0xffffffff);
+ dma_set_max_seg_size(&dev->dev, 65536);
+ dma_set_seg_boundary(&dev->dev, 0xffffffff);
/* Fix up broken headers */
pci_fixup_device(pci_fixup_header, dev);