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authorBjorn Helgaas <bhelgaas@google.com>2013-01-17 16:00:36 -0700
committerBjorn Helgaas <bhelgaas@google.com>2013-01-17 16:00:36 -0700
commit708b59bfe1d1727451ca41f5dc4c17cf99dfaf51 (patch)
treeda5fb7826f92f90b58bb5f33ec552b52d3667152 /arch
parentb7040469de97d361120836b4140941a08d06f56f (diff)
parent6c0cc950ae670403a362bdcbf3cde0df33744928 (diff)
Merge branch 'pci/rafael-set-root-bridge-handle' into next
* pci/rafael-set-root-bridge-handle: ACPI / PCI: Set root bridge ACPI handle in advance
Diffstat (limited to 'arch')
-rw-r--r--arch/ia64/pci/pci.c8
-rw-r--r--arch/x86/include/asm/pci.h3
-rw-r--r--arch/x86/pci/acpi.c9
3 files changed, 20 insertions, 0 deletions
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index 5faa66c5c2a8..00e59c7ad3c0 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -396,6 +396,14 @@ out1:
return NULL;
}
+int pcibios_root_bridge_prepare(struct pci_host_bridge *bridge)
+{
+ struct pci_controller *controller = bridge->bus->sysdata;
+
+ ACPI_HANDLE_SET(&bridge->dev, controller->acpi_handle);
+ return 0;
+}
+
static int __devinit is_valid_resource(struct pci_dev *dev, int idx)
{
unsigned int i, type_mask = IORESOURCE_IO | IORESOURCE_MEM;
diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h
index dba7805176bf..9f437e97e9e8 100644
--- a/arch/x86/include/asm/pci.h
+++ b/arch/x86/include/asm/pci.h
@@ -14,6 +14,9 @@
struct pci_sysdata {
int domain; /* PCI domain */
int node; /* NUMA node */
+#ifdef CONFIG_ACPI
+ void *acpi; /* ACPI-specific data */
+#endif
#ifdef CONFIG_X86_64
void *iommu; /* IOMMU private data */
#endif
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index 0c01261fe5a8..3d49094ed3e8 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -522,6 +522,7 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_pci_root *root)
sd = &info->sd;
sd->domain = domain;
sd->node = node;
+ sd->acpi = device->handle;
/*
* Maybe the desired pci bus has been already scanned. In such case
* it is unnecessary to scan the pci bus with the given domain,busnum.
@@ -593,6 +594,14 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_pci_root *root)
return bus;
}
+int pcibios_root_bridge_prepare(struct pci_host_bridge *bridge)
+{
+ struct pci_sysdata *sd = bridge->bus->sysdata;
+
+ ACPI_HANDLE_SET(&bridge->dev, sd->acpi);
+ return 0;
+}
+
int __init pci_acpi_init(void)
{
struct pci_dev *dev = NULL;