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authorBjorn Helgaas <bhelgaas@google.com>2012-11-09 10:00:10 -0700
committerBjorn Helgaas <bhelgaas@google.com>2012-11-09 10:00:10 -0700
commit0dcccc5c53c55565a6b1061e1b15894495c7c9b9 (patch)
tree75a19916763452385e3843d944943779f91b7961 /arch/x86/pci/acpi.c
parent05508270064efd674e8f2a047911dcd7776aaae0 (diff)
parentb4873931cc8c934a9893d5962bde97aca23be983 (diff)
Merge branch 'pci/mike-x86-tra' into next
* pci/mike-x86-tra: x86/PCI: Allow x86 platforms to use translation offsets
Diffstat (limited to 'arch/x86/pci/acpi.c')
-rw-r--r--arch/x86/pci/acpi.c21
1 files changed, 18 insertions, 3 deletions
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index 49e5195223d..0c01261fe5a 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -12,6 +12,7 @@ struct pci_root_info {
char name[16];
unsigned int res_num;
struct resource *res;
+ resource_size_t *res_offset;
struct pci_sysdata sd;
#ifdef CONFIG_PCI_MMCONFIG
bool mcfg_added;
@@ -323,6 +324,7 @@ setup_resource(struct acpi_resource *acpi_res, void *data)
res->flags = flags;
res->start = start;
res->end = end;
+ info->res_offset[info->res_num] = addr.translation_offset;
if (!pci_use_crs) {
dev_printk(KERN_DEBUG, &info->bridge->dev,
@@ -392,7 +394,8 @@ static void add_resources(struct pci_root_info *info,
"ignoring host bridge window %pR (conflicts with %s %pR)\n",
res, conflict->name, conflict);
else
- pci_add_resource(resources, res);
+ pci_add_resource_offset(resources, res,
+ info->res_offset[i]);
}
}
@@ -400,6 +403,8 @@ static void free_pci_root_info_res(struct pci_root_info *info)
{
kfree(info->res);
info->res = NULL;
+ kfree(info->res_offset);
+ info->res_offset = NULL;
info->res_num = 0;
}
@@ -450,10 +455,20 @@ probe_pci_root_info(struct pci_root_info *info, struct acpi_device *device,
return;
size = sizeof(*info->res) * info->res_num;
- info->res_num = 0;
info->res = kzalloc(size, GFP_KERNEL);
- if (!info->res)
+ if (!info->res) {
+ info->res_num = 0;
+ return;
+ }
+
+ size = sizeof(*info->res_offset) * info->res_num;
+ info->res_num = 0;
+ info->res_offset = kzalloc(size, GFP_KERNEL);
+ if (!info->res_offset) {
+ kfree(info->res);
+ info->res = NULL;
return;
+ }
acpi_walk_resources(device->handle, METHOD_NAME__CRS, setup_resource,
info);