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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.c39
1 files changed, 14 insertions, 25 deletions
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 9f8a6b79a8e..ec909afa90b 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -606,10 +606,10 @@ static void pci_set_bus_speed(struct pci_bus *bus)
u32 linkcap;
u16 linksta;
- pci_read_config_dword(bridge, pos + PCI_EXP_LNKCAP, &linkcap);
+ pcie_capability_read_dword(bridge, PCI_EXP_LNKCAP, &linkcap);
bus->max_bus_speed = pcie_link_speed[linkcap & 0xf];
- pci_read_config_word(bridge, pos + PCI_EXP_LNKSTA, &linksta);
+ pcie_capability_read_word(bridge, PCI_EXP_LNKSTA, &linksta);
pcie_update_link_speed(bus, linksta);
}
}
@@ -729,8 +729,10 @@ int __devinit pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max,
/* Check if setup is sensible at all */
if (!pass &&
- (primary != bus->number || secondary <= bus->number)) {
- dev_dbg(&dev->dev, "bus configuration invalid, reconfiguring\n");
+ (primary != bus->number || secondary <= bus->number ||
+ secondary > subordinate)) {
+ dev_info(&dev->dev, "bridge configuration invalid ([bus %02x-%02x]), reconfiguring\n",
+ secondary, subordinate);
broken = 1;
}
@@ -932,24 +934,16 @@ void set_pcie_port_type(struct pci_dev *pdev)
pdev->is_pcie = 1;
pdev->pcie_cap = pos;
pci_read_config_word(pdev, pos + PCI_EXP_FLAGS, &reg16);
- pdev->pcie_type = (reg16 & PCI_EXP_FLAGS_TYPE) >> 4;
+ pdev->pcie_flags_reg = reg16;
pci_read_config_word(pdev, pos + PCI_EXP_DEVCAP, &reg16);
pdev->pcie_mpss = reg16 & PCI_EXP_DEVCAP_PAYLOAD;
}
void set_pcie_hotplug_bridge(struct pci_dev *pdev)
{
- int pos;
- u16 reg16;
u32 reg32;
- pos = pci_pcie_cap(pdev);
- if (!pos)
- return;
- pci_read_config_word(pdev, pos + PCI_EXP_FLAGS, &reg16);
- if (!(reg16 & PCI_EXP_FLAGS_SLOT))
- return;
- pci_read_config_dword(pdev, pos + PCI_EXP_SLTCAP, &reg32);
+ pcie_capability_read_dword(pdev, PCI_EXP_SLTCAP, &reg32);
if (reg32 & PCI_EXP_SLTCAP_HPC)
pdev->is_hotplug_bridge = 1;
}
@@ -1163,8 +1157,7 @@ int pci_cfg_space_size(struct pci_dev *dev)
if (class == PCI_CLASS_BRIDGE_HOST)
return pci_cfg_space_size_ext(dev);
- pos = pci_pcie_cap(dev);
- if (!pos) {
+ if (!pci_is_pcie(dev)) {
pos = pci_find_capability(dev, PCI_CAP_ID_PCIX);
if (!pos)
goto fail;
@@ -1386,9 +1379,9 @@ static int only_one_child(struct pci_bus *bus)
if (!parent || !pci_is_pcie(parent))
return 0;
- if (parent->pcie_type == PCI_EXP_TYPE_ROOT_PORT)
+ if (pci_pcie_type(parent) == PCI_EXP_TYPE_ROOT_PORT)
return 1;
- if (parent->pcie_type == PCI_EXP_TYPE_DOWNSTREAM &&
+ if (pci_pcie_type(parent) == PCI_EXP_TYPE_DOWNSTREAM &&
!pci_has_flag(PCI_SCAN_ALL_PCIE_DEVS))
return 1;
return 0;
@@ -1465,7 +1458,7 @@ static int pcie_find_smpss(struct pci_dev *dev, void *data)
*/
if (dev->is_hotplug_bridge && (!list_is_singular(&dev->bus->devices) ||
(dev->bus->self &&
- dev->bus->self->pcie_type != PCI_EXP_TYPE_ROOT_PORT)))
+ pci_pcie_type(dev->bus->self) != PCI_EXP_TYPE_ROOT_PORT)))
*smpss = 0;
if (*smpss > dev->pcie_mpss)
@@ -1481,7 +1474,8 @@ static void pcie_write_mps(struct pci_dev *dev, int mps)
if (pcie_bus_config == PCIE_BUS_PERFORMANCE) {
mps = 128 << dev->pcie_mpss;
- if (dev->pcie_type != PCI_EXP_TYPE_ROOT_PORT && dev->bus->self)
+ if (pci_pcie_type(dev) != PCI_EXP_TYPE_ROOT_PORT &&
+ dev->bus->self)
/* For "Performance", the assumption is made that
* downstream communication will never be larger than
* the MRRS. So, the MPS only needs to be configured
@@ -1756,11 +1750,6 @@ int pci_bus_insert_busn_res(struct pci_bus *b, int bus, int bus_max)
"busn_res: can not insert %pR under %s%pR (conflicts with %s %pR)\n",
res, pci_is_root_bus(b) ? "domain " : "",
parent_res, conflict->name, conflict);
- else
- dev_printk(KERN_DEBUG, &b->dev,
- "busn_res: %pR is inserted under %s%pR\n",
- res, pci_is_root_bus(b) ? "domain " : "",
- parent_res);
return conflict == NULL;
}