diff options
| author | Bjorn Helgaas <bhelgaas@google.com> | 2012-12-07 12:11:52 -0700 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2012-12-07 12:11:52 -0700 |
| commit | 27e1c8ee0170e80f6426c35d54f3b5cd9dadb25b (patch) | |
| tree | 5188300ea7cc05db7aebee53366c0556e5d8eaf9 /drivers/pci/probe.c | |
| parent | 72e1e868ca8f14ef34c95e0e8b73f64b6acf5934 (diff) | |
| parent | a875621ec15318f0ba35907726ee2cb9e9e0c6b7 (diff) | |
Merge branch 'pci/bjorn-pcie-cap' into next
* pci/bjorn-pcie-cap:
ath9k: Use standard #defines for PCIe Capability ASPM fields
iwlwifi: Use standard #defines for PCIe Capability ASPM fields
iwlwifi: collapse wrapper for pcie_capability_read_word()
iwlegacy: Use standard #defines for PCIe Capability ASPM fields
iwlegacy: collapse wrapper for pcie_capability_read_word()
cxgb3: Use standard #defines for PCIe Capability ASPM fields
PCI: Add standard PCIe Capability Link ASPM field names
PCI/portdrv: Use PCI Express Capability accessors
PCI: Use standard PCIe Capability Link register field names
PCI: Add and use standard PCI-X Capability register names
Diffstat (limited to 'drivers/pci/probe.c')
| -rw-r--r-- | drivers/pci/probe.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 293af5a6f912..d46ef2df23da 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -521,7 +521,7 @@ static unsigned char pcie_link_speed[] = { void pcie_update_link_speed(struct pci_bus *bus, u16 linksta) { - bus->cur_bus_speed = pcie_link_speed[linksta & 0xf]; + bus->cur_bus_speed = pcie_link_speed[linksta & PCI_EXP_LNKSTA_CLS]; } EXPORT_SYMBOL_GPL(pcie_update_link_speed); @@ -579,14 +579,16 @@ static void pci_set_bus_speed(struct pci_bus *bus) if (pos) { u16 status; enum pci_bus_speed max; - pci_read_config_word(bridge, pos + 2, &status); - if (status & 0x8000) { + pci_read_config_word(bridge, pos + PCI_X_BRIDGE_SSTATUS, + &status); + + if (status & PCI_X_SSTATUS_533MHZ) { max = PCI_SPEED_133MHz_PCIX_533; - } else if (status & 0x4000) { + } else if (status & PCI_X_SSTATUS_266MHZ) { max = PCI_SPEED_133MHz_PCIX_266; - } else if (status & 0x0002) { - if (((status >> 12) & 0x3) == 2) { + } else if (status & PCI_X_SSTATUS_133MHZ) { + if ((status & PCI_X_SSTATUS_VERS) == PCI_X_SSTATUS_V2) { max = PCI_SPEED_133MHz_PCIX_ECC; } else { max = PCI_SPEED_133MHz_PCIX; @@ -596,7 +598,8 @@ static void pci_set_bus_speed(struct pci_bus *bus) } bus->max_bus_speed = max; - bus->cur_bus_speed = pcix_bus_speed[(status >> 6) & 0xf]; + bus->cur_bus_speed = pcix_bus_speed[ + (status & PCI_X_SSTATUS_FREQ) >> 6]; return; } @@ -607,7 +610,7 @@ static void pci_set_bus_speed(struct pci_bus *bus) u16 linksta; pcie_capability_read_dword(bridge, PCI_EXP_LNKCAP, &linkcap); - bus->max_bus_speed = pcie_link_speed[linkcap & 0xf]; + bus->max_bus_speed = pcie_link_speed[linkcap & PCI_EXP_LNKCAP_SLS]; pcie_capability_read_word(bridge, PCI_EXP_LNKSTA, &linksta); pcie_update_link_speed(bus, linksta); |