#include <acpi/acpi_drivers.h>
#include <acpi/container.h>
-#define ACPI_CONTAINER_DRIVER_NAME "ACPI container driver"
+#define PREFIX "ACPI: "
+
#define ACPI_CONTAINER_DEVICE_NAME "ACPI container device"
#define ACPI_CONTAINER_CLASS "container"
#define INSTALL_NOTIFY_HANDLER 1
#define UNINSTALL_NOTIFY_HANDLER 2
-#define ACPI_CONTAINER_COMPONENT 0x01000000
#define _COMPONENT ACPI_CONTAINER_COMPONENT
-ACPI_MODULE_NAME("acpi_container")
+ACPI_MODULE_NAME("container");
- MODULE_AUTHOR("Anil S Keshavamurthy");
-MODULE_DESCRIPTION(ACPI_CONTAINER_DRIVER_NAME);
+MODULE_AUTHOR("Anil S Keshavamurthy");
+MODULE_DESCRIPTION("ACPI container driver");
MODULE_LICENSE("GPL");
-#define ACPI_STA_PRESENT (0x00000001)
-
static int acpi_container_add(struct acpi_device *device);
static int acpi_container_remove(struct acpi_device *device, int type);
+static const struct acpi_device_id container_device_ids[] = {
+ {"ACPI0004", 0},
+ {"PNP0A05", 0},
+ {"PNP0A06", 0},
+ {"", 0},
+};
+MODULE_DEVICE_TABLE(acpi, container_device_ids);
+
static struct acpi_driver acpi_container_driver = {
- .name = ACPI_CONTAINER_DRIVER_NAME,
+ .name = "container",
.class = ACPI_CONTAINER_CLASS,
- .ids = "ACPI0004,PNP0A05,PNP0A06",
+ .ids = container_device_ids,
.ops = {
.add = acpi_container_add,
.remove = acpi_container_remove,
{
acpi_handle temp;
acpi_status status;
- unsigned long sta;
+ unsigned long long sta;
- ACPI_FUNCTION_TRACE("is_device_present");
status = acpi_get_handle(handle, "_STA", &temp);
if (ACPI_FAILURE(status))
- return_VALUE(1); /* _STA not found, assmue device present */
+ return 1; /* _STA not found, assume device present */
status = acpi_evaluate_integer(handle, "_STA", NULL, &sta);
if (ACPI_FAILURE(status))
- return_VALUE(0); /* Firmware error */
+ return 0; /* Firmware error */
- return_VALUE((sta & ACPI_STA_PRESENT) == ACPI_STA_PRESENT);
+ return ((sta & ACPI_STA_DEVICE_PRESENT) == ACPI_STA_DEVICE_PRESENT);
}
/*******************************************************************/
{
struct acpi_container *container;
- ACPI_FUNCTION_TRACE("acpi_container_add");
if (!device) {
- ACPI_ERROR((AE_INFO, "device is NULL"));
- return_VALUE(-EINVAL);
+ printk(KERN_ERR PREFIX "device is NULL\n");
+ return -EINVAL;
}
- container = kmalloc(sizeof(struct acpi_container), GFP_KERNEL);
+ container = kzalloc(sizeof(struct acpi_container), GFP_KERNEL);
if (!container)
- return_VALUE(-ENOMEM);
+ return -ENOMEM;
- memset(container, 0, sizeof(struct acpi_container));
container->handle = device->handle;
strcpy(acpi_device_name(device), ACPI_CONTAINER_DEVICE_NAME);
strcpy(acpi_device_class(device), ACPI_CONTAINER_CLASS);
- acpi_driver_data(device) = container;
+ device->driver_data = container;
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device <%s> bid <%s>\n",
acpi_device_name(device), acpi_device_bid(device)));
- return_VALUE(0);
+ return 0;
}
static int acpi_container_remove(struct acpi_device *device, int type)
acpi_status status = AE_OK;
struct acpi_container *pc = NULL;
- pc = (struct acpi_container *)acpi_driver_data(device);
+ pc = acpi_driver_data(device);
kfree(pc);
return status;
}
struct acpi_device *pdev;
int result;
- ACPI_FUNCTION_TRACE("container_device_add");
if (acpi_get_parent(handle, &phandle)) {
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
if (acpi_bus_get_device(phandle, &pdev)) {
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
if (acpi_bus_add(device, pdev, handle, ACPI_BUS_TYPE_DEVICE)) {
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
result = acpi_bus_start(*device);
- return_VALUE(result);
+ return result;
}
static void container_notify_cb(acpi_handle handle, u32 type, void *context)
int present;
acpi_status status;
- ACPI_FUNCTION_TRACE("container_notify_cb");
present = is_device_present(handle);
case ACPI_NOTIFY_BUS_CHECK:
/* Fall through */
case ACPI_NOTIFY_DEVICE_CHECK:
- printk("Container driver received %s event\n",
+ printk(KERN_WARNING "Container driver received %s event\n",
(type == ACPI_NOTIFY_BUS_CHECK) ?
"ACPI_NOTIFY_BUS_CHECK" : "ACPI_NOTIFY_DEVICE_CHECK");
status = acpi_bus_get_device(handle, &device);
if (ACPI_FAILURE(status) || !device) {
result = container_device_add(&device, handle);
if (!result)
- kobject_uevent(&device->kobj,
+ kobject_uevent(&device->dev.kobj,
KOBJ_ONLINE);
else
- printk("Failed to add container\n");
+ printk(KERN_WARNING
+ "Failed to add container\n");
}
} else {
if (ACPI_SUCCESS(status)) {
/* device exist and this is a remove request */
- kobject_uevent(&device->kobj, KOBJ_OFFLINE);
+ kobject_uevent(&device->dev.kobj, KOBJ_OFFLINE);
}
}
break;
case ACPI_NOTIFY_EJECT_REQUEST:
if (!acpi_bus_get_device(handle, &device) && device) {
- kobject_uevent(&device->kobj, KOBJ_OFFLINE);
+ kobject_uevent(&device->dev.kobj, KOBJ_OFFLINE);
}
break;
default:
break;
}
- return_VOID;
+ return;
}
static acpi_status
u32 lvl, void *context, void **rv)
{
char *hid = NULL;
- struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
struct acpi_device_info *info;
acpi_status status;
int *action = context;
- ACPI_FUNCTION_TRACE("container_walk_namespace_cb");
-
- status = acpi_get_object_info(handle, &buffer);
- if (ACPI_FAILURE(status) || !buffer.pointer) {
- return_ACPI_STATUS(AE_OK);
+ status = acpi_get_object_info(handle, &info);
+ if (ACPI_FAILURE(status)) {
+ return AE_OK;
}
- info = buffer.pointer;
if (info->valid & ACPI_VALID_HID)
- hid = info->hardware_id.value;
+ hid = info->hardware_id.string;
if (hid == NULL) {
goto end;
}
end:
- acpi_os_free(buffer.pointer);
+ kfree(info);
- return_ACPI_STATUS(AE_OK);
+ return AE_OK;
}
static int __init acpi_container_init(void)
acpi_walk_namespace(ACPI_TYPE_DEVICE,
ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX,
- container_walk_namespace_cb, &action, NULL);
+ container_walk_namespace_cb, NULL, &action, NULL);
return (0);
}
{
int action = UNINSTALL_NOTIFY_HANDLER;
- ACPI_FUNCTION_TRACE("acpi_container_exit");
acpi_walk_namespace(ACPI_TYPE_DEVICE,
ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX,
- container_walk_namespace_cb, &action, NULL);
+ container_walk_namespace_cb, NULL, &action, NULL);
acpi_bus_unregister_driver(&acpi_container_driver);
- return_VOID;
+ return;
}
module_init(acpi_container_init);