diff options
Diffstat (limited to 'arch/ia64/pci/pci.c')
-rw-r--r-- | arch/ia64/pci/pci.c | 42 |
1 files changed, 29 insertions, 13 deletions
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c index 7de76dd352fe..df639db779f9 100644 --- a/arch/ia64/pci/pci.c +++ b/arch/ia64/pci/pci.c @@ -56,10 +56,13 @@ int raw_pci_read(unsigned int seg, unsigned int bus, unsigned int devfn, if ((seg | reg) <= 255) { addr = PCI_SAL_ADDRESS(seg, bus, devfn, reg); mode = 0; - } else { + } else if (sal_revision >= SAL_VERSION_CODE(3,2)) { addr = PCI_SAL_EXT_ADDRESS(seg, bus, devfn, reg); mode = 1; + } else { + return -EINVAL; } + result = ia64_sal_pci_config_read(addr, mode, len, &data); if (result != 0) return -EINVAL; @@ -80,9 +83,11 @@ int raw_pci_write(unsigned int seg, unsigned int bus, unsigned int devfn, if ((seg | reg) <= 255) { addr = PCI_SAL_ADDRESS(seg, bus, devfn, reg); mode = 0; - } else { + } else if (sal_revision >= SAL_VERSION_CODE(3,2)) { addr = PCI_SAL_EXT_ADDRESS(seg, bus, devfn, reg); mode = 1; + } else { + return -EINVAL; } result = ia64_sal_pci_config_write(addr, mode, len, value); if (result != 0) @@ -126,6 +131,7 @@ alloc_pci_controller (int seg) } struct pci_root_info { + struct acpi_device *bridge; struct pci_controller *controller; char *name; }; @@ -292,9 +298,20 @@ static __devinit acpi_status add_window(struct acpi_resource *res, void *data) window->offset = offset; if (insert_resource(root, &window->resource)) { - printk(KERN_ERR "alloc 0x%llx-0x%llx from %s for %s failed\n", - window->resource.start, window->resource.end, - root->name, info->name); + dev_err(&info->bridge->dev, + "can't allocate host bridge window %pR\n", + &window->resource); + } else { + if (offset) + dev_info(&info->bridge->dev, "host bridge window %pR " + "(PCI address [%#llx-%#llx])\n", + &window->resource, + window->resource.start - offset, + window->resource.end - offset); + else + dev_info(&info->bridge->dev, + "host bridge window %pR\n", + &window->resource); } return AE_OK; @@ -314,8 +331,9 @@ pcibios_setup_root_windows(struct pci_bus *bus, struct pci_controller *ctrl) (res->end - res->start < 16)) continue; if (j >= PCI_BUS_NUM_RESOURCES) { - printk("Ignoring range [%#llx-%#llx] (%lx)\n", - res->start, res->end, res->flags); + dev_warn(&bus->dev, + "ignoring host bridge window %pR (no space)\n", + res); continue; } bus->resource[j++] = res; @@ -359,6 +377,7 @@ pci_acpi_scan_root(struct acpi_device *device, int domain, int bus) goto out3; sprintf(name, "PCI Bus %04x:%02x", domain, bus); + info.bridge = device; info.controller = controller; info.name = name; acpi_walk_resources(device->handle, METHOD_NAME__CRS, @@ -715,9 +734,6 @@ int ia64_pci_legacy_write(struct pci_bus *bus, u16 port, u32 val, u8 size) return ret; } -/* It's defined in drivers/pci/pci.c */ -extern u8 pci_cache_line_size; - /** * set_pci_cacheline_size - determine cacheline size for PCI devices * @@ -726,7 +742,7 @@ extern u8 pci_cache_line_size; * * Code mostly taken from arch/ia64/kernel/palinfo.c:cache_info(). */ -static void __init set_pci_cacheline_size(void) +static void __init set_pci_dfl_cacheline_size(void) { unsigned long levels, unique_caches; long status; @@ -746,7 +762,7 @@ static void __init set_pci_cacheline_size(void) "(status=%ld)\n", __func__, status); return; } - pci_cache_line_size = (1 << cci.pcci_line_size) / 4; + pci_dfl_cache_line_size = (1 << cci.pcci_line_size) / 4; } u64 ia64_dma_get_required_mask(struct device *dev) @@ -777,7 +793,7 @@ EXPORT_SYMBOL_GPL(dma_get_required_mask); static int __init pcibios_init(void) { - set_pci_cacheline_size(); + set_pci_dfl_cacheline_size(); return 0; } |