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-rw-r--r--arch/x86/pci/acpi.c40
1 files changed, 2 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,