diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/pci/acpi.c | 40 | ||||
| -rw-r--r-- | arch/x86/pci/i386.c | 3 |
2 files changed, 5 insertions, 38 deletions
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c index 44f83ce0247..31930fd30ea 100644 --- a/arch/x86/pci/acpi.c +++ b/arch/x86/pci/acpi.c @@ -121,30 +121,6 @@ count_resource(struct acpi_resource *acpi_res, void *data) return AE_OK; } -static void -align_resource(struct acpi_device *bridge, struct resource *res) -{ - int align = (res->flags & IORESOURCE_MEM) ? 16 : 4; - - /* - * Host bridge windows are not BARs, but the decoders on the PCI side - * that claim this address space have starting alignment and length - * constraints, so fix any obvious BIOS goofs. - */ - if (!IS_ALIGNED(res->start, align)) { - dev_printk(KERN_DEBUG, &bridge->dev, - "host bridge window %pR invalid; " - "aligning start to %d-byte boundary\n", res, align); - res->start &= ~(align - 1); - } - if (!IS_ALIGNED(res->end + 1, align)) { - dev_printk(KERN_DEBUG, &bridge->dev, - "host bridge window %pR invalid; " - "aligning end to %d-byte boundary\n", res, align); - res->end = ALIGN(res->end, align) - 1; - } -} - static acpi_status setup_resource(struct acpi_resource *acpi_res, void *data) { @@ -154,7 +130,7 @@ setup_resource(struct acpi_resource *acpi_res, void *data) acpi_status status; unsigned long flags; struct resource *root, *conflict; - u64 start, end, max_len; + u64 start, end; status = resource_to_addr(acpi_res, &addr); if (!ACPI_SUCCESS(status)) @@ -171,19 +147,8 @@ setup_resource(struct acpi_resource *acpi_res, void *data) } else return AE_OK; - max_len = addr.maximum - addr.minimum + 1; - if (addr.address_length > max_len) { - dev_printk(KERN_DEBUG, &info->bridge->dev, - "host bridge window length %#llx doesn't fit in " - "%#llx-%#llx, trimming\n", - (unsigned long long) addr.address_length, - (unsigned long long) addr.minimum, - (unsigned long long) addr.maximum); - addr.address_length = max_len; - } - start = addr.minimum + addr.translation_offset; - end = start + addr.address_length - 1; + end = addr.maximum + addr.translation_offset; res = &info->res[info->res_num]; res->name = info->name; @@ -191,7 +156,6 @@ setup_resource(struct acpi_resource *acpi_res, void *data) res->start = start; res->end = end; res->child = NULL; - align_resource(info->bridge, res); if (!pci_use_crs) { dev_printk(KERN_DEBUG, &info->bridge->dev, diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c index 46fd43f7910..97da2ba9344 100644 --- a/arch/x86/pci/i386.c +++ b/arch/x86/pci/i386.c @@ -72,6 +72,9 @@ pcibios_align_resource(void *data, const struct resource *res, return start; if (start & 0x300) start = (start + 0x3ff) & ~0x3ff; + } else if (res->flags & IORESOURCE_MEM) { + if (start < BIOS_END) + start = BIOS_END; } return start; } |