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Diffstat (limited to 'arch/x86/pci/acpi.c')
-rw-r--r--arch/x86/pci/acpi.c59
1 files changed, 18 insertions, 41 deletions
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index 4f25ec077552..01edac6c5e18 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -218,9 +218,8 @@ static void teardown_mcfg_map(struct pci_root_info *info)
}
#endif
-static acpi_status
-resource_to_addr(struct acpi_resource *resource,
- struct acpi_resource_address64 *addr)
+static acpi_status resource_to_addr(struct acpi_resource *resource,
+ struct acpi_resource_address64 *addr)
{
acpi_status status;
struct acpi_resource_memory24 *memory24;
@@ -265,8 +264,7 @@ resource_to_addr(struct acpi_resource *resource,
return AE_ERROR;
}
-static acpi_status
-count_resource(struct acpi_resource *acpi_res, void *data)
+static acpi_status count_resource(struct acpi_resource *acpi_res, void *data)
{
struct pci_root_info *info = data;
struct acpi_resource_address64 addr;
@@ -278,8 +276,7 @@ count_resource(struct acpi_resource *acpi_res, void *data)
return AE_OK;
}
-static acpi_status
-setup_resource(struct acpi_resource *acpi_res, void *data)
+static acpi_status setup_resource(struct acpi_resource *acpi_res, void *data)
{
struct pci_root_info *info = data;
struct resource *res;
@@ -435,9 +432,9 @@ static void release_pci_root_info(struct pci_host_bridge *bridge)
__release_pci_root_info(info);
}
-static void
-probe_pci_root_info(struct pci_root_info *info, struct acpi_device *device,
- int busnum, int domain)
+static void probe_pci_root_info(struct pci_root_info *info,
+ struct acpi_device *device,
+ int busnum, int domain)
{
size_t size;
@@ -473,16 +470,13 @@ probe_pci_root_info(struct pci_root_info *info, struct acpi_device *device,
struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)
{
struct acpi_device *device = root->device;
- struct pci_root_info *info = NULL;
+ struct pci_root_info *info;
int domain = root->segment;
int busnum = root->secondary.start;
LIST_HEAD(resources);
- struct pci_bus *bus = NULL;
+ struct pci_bus *bus;
struct pci_sysdata *sd;
int node;
-#ifdef CONFIG_ACPI_NUMA
- int pxm;
-#endif
if (pci_ignore_seg)
domain = 0;
@@ -494,19 +488,12 @@ struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)
return NULL;
}
- node = -1;
-#ifdef CONFIG_ACPI_NUMA
- pxm = acpi_get_pxm(device->handle);
- if (pxm >= 0)
- node = pxm_to_node(pxm);
- if (node != -1)
- set_mp_bus_to_node(busnum, node);
- else
-#endif
- node = get_mp_bus_to_node(busnum);
+ node = acpi_get_node(device->handle);
+ if (node == NUMA_NO_NODE)
+ node = x86_pci_root_bus_node(busnum);
- if (node != -1 && !node_online(node))
- node = -1;
+ if (node != NUMA_NO_NODE && !node_online(node))
+ node = NUMA_NO_NODE;
info = kzalloc(sizeof(*info), GFP_KERNEL);
if (!info) {
@@ -519,15 +506,12 @@ struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)
sd->domain = domain;
sd->node = node;
sd->companion = device;
- /*
- * 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.
- */
+
bus = pci_find_bus(domain, busnum);
if (bus) {
/*
- * If the desired bus exits, the content of bus->sysdata will
- * be replaced by sd.
+ * If the desired bus has been scanned already, replace
+ * its bus->sysdata.
*/
memcpy(bus->sysdata, sd, sizeof(*sd));
kfree(info);
@@ -572,15 +556,8 @@ struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)
pcie_bus_configure_settings(child);
}
- if (bus && node != -1) {
-#ifdef CONFIG_ACPI_NUMA
- if (pxm >= 0)
- dev_printk(KERN_DEBUG, &bus->dev,
- "on NUMA node %d (pxm %d)\n", node, pxm);
-#else
+ if (bus && node != NUMA_NO_NODE)
dev_printk(KERN_DEBUG, &bus->dev, "on NUMA node %d\n", node);
-#endif
- }
return bus;
}