diff options
author | Jiri Kosina <jkosina@suse.cz> | 2012-10-28 19:28:52 +0100 |
---|---|---|
committer | Jiri Kosina <jkosina@suse.cz> | 2012-10-28 19:29:19 +0100 |
commit | 3bd7bf1f0fe14f591c089ae61bbfa9bd356f178a (patch) | |
tree | 0058693cc9e70b7461dae551f8a19aff2efd13ca /drivers/pci/probe.c | |
parent | f16f84937d769c893492160b1a8c3672e3992beb (diff) | |
parent | e657e078d3dfa9f96976db7a2b5fd7d7c9f1f1a6 (diff) |
Merge branch 'master' into for-next
Sync up with Linus' tree to be able to apply Cesar's patch
against newer version of the code.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/pci/probe.c')
-rw-r--r-- | drivers/pci/probe.c | 39 |
1 files changed, 14 insertions, 25 deletions
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 9f8a6b79a8ec..ec909afa90b6 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, ®16); - pdev->pcie_type = (reg16 & PCI_EXP_FLAGS_TYPE) >> 4; + pdev->pcie_flags_reg = reg16; pci_read_config_word(pdev, pos + PCI_EXP_DEVCAP, ®16); 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, ®16); - if (!(reg16 & PCI_EXP_FLAGS_SLOT)) - return; - pci_read_config_dword(pdev, pos + PCI_EXP_SLTCAP, ®32); + pcie_capability_read_dword(pdev, PCI_EXP_SLTCAP, ®32); 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; } |