#include <acpi/acpi_drivers.h>
#define _COMPONENT ACPI_PCI_COMPONENT
-ACPI_MODULE_NAME("pci_root")
+ACPI_MODULE_NAME("pci_root");
#define ACPI_PCI_ROOT_CLASS "pci_bridge"
-#define ACPI_PCI_ROOT_HID "PNP0A03"
-#define ACPI_PCI_ROOT_DRIVER_NAME "ACPI PCI Root Bridge Driver"
#define ACPI_PCI_ROOT_DEVICE_NAME "PCI Root Bridge"
static int acpi_pci_root_add(struct acpi_device *device);
static int acpi_pci_root_remove(struct acpi_device *device, int type);
static int acpi_pci_root_start(struct acpi_device *device);
+static struct acpi_device_id root_device_ids[] = {
+ {"PNP0A03", 0},
+ {"", 0},
+};
+MODULE_DEVICE_TABLE(acpi, root_device_ids);
+
static struct acpi_driver acpi_pci_root_driver = {
- .name = ACPI_PCI_ROOT_DRIVER_NAME,
+ .name = "pci_root",
.class = ACPI_PCI_ROOT_CLASS,
- .ids = ACPI_PCI_ROOT_HID,
+ .ids = root_device_ids,
.ops = {
.add = acpi_pci_root_add,
.remove = acpi_pci_root_remove,
return AE_OK;
}
+static void acpi_pci_bridge_scan(struct acpi_device *device)
+{
+ int status;
+ struct acpi_device *child = NULL;
+
+ if (device->flags.bus_address)
+ if (device->parent && device->parent->ops.bind) {
+ status = device->parent->ops.bind(device);
+ if (!status) {
+ list_for_each_entry(child, &device->children, node)
+ acpi_pci_bridge_scan(child);
+ }
+ }
+}
+
static int acpi_pci_root_add(struct acpi_device *device)
{
int result = 0;
acpi_status status = AE_OK;
unsigned long value = 0;
acpi_handle handle = NULL;
+ struct acpi_device *child;
if (!device)
strcpy(acpi_device_class(device), ACPI_PCI_ROOT_CLASS);
acpi_driver_data(device) = root;
- /*
- * TBD: Doesn't the bus driver automatically set this?
- */
device->ops.bind = acpi_pci_bind;
/*
result = acpi_pci_irq_add_prt(device->handle, root->id.segment,
root->id.bus);
+ /*
+ * Scan and bind all _ADR-Based Devices
+ */
+ list_for_each_entry(child, &device->children, node)
+ acpi_pci_bridge_scan(child);
+
end:
if (result) {
if (!list_empty(&root->node))