ACPI: power: Drop name from struct acpi_power_resource

Drop the name field (that only is used in diagnostic messages) from
struct acpi_power_resource and use the name of the power resource
device object instead of it.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index 21d4280..b9863e2 100644 (file)
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -48,7 +48,6 @@ struct acpi_power_dependent_device {
 struct acpi_power_resource {
        struct acpi_device device;
        struct list_head list_node;
-       char *name;
        u32 system_level;
        u32 order;
        unsigned int ref_count;
@@ -70,6 +69,11 @@ static DEFINE_MUTEX(power_resource_list_lock);
                              Power Resource Management
    -------------------------------------------------------------------------- */
 
+static inline const char *resource_dev_name(struct acpi_power_resource *pr)
+{
+       return dev_name(&pr->device.dev);
+}
+
 static inline
 struct acpi_power_resource *to_power_resource(struct acpi_device *device)
 {
@@ -264,7 +268,8 @@ acpi_power_resource_add_dependent(struct acpi_power_resource *resource,
 
        dep->dev = dev;
        list_add_tail(&dep->node, &resource->dependents);
-       dev_dbg(dev, "added power dependency to [%s]\n", resource->name);
+       dev_dbg(dev, "added power dependency to [%s]\n",
+               resource_dev_name(resource));
 
 unlock:
        mutex_unlock(&resource->resource_lock);
@@ -283,7 +288,7 @@ acpi_power_resource_remove_dependent(struct acpi_power_resource *resource,
                        list_del(&dep->node);
                        kfree(dep);
                        dev_dbg(dev, "removed power dependency to [%s]\n",
-                               resource->name);
+                               resource_dev_name(resource));
                        break;
                }
        }
@@ -381,7 +386,7 @@ static int __acpi_power_on(struct acpi_power_resource *resource)
 
        list_for_each_entry(dep, &resource->dependents, node) {
                dev_dbg(dep->dev, "runtime resuming because [%s] turned on\n",
-                       resource->name);
+                       resource_dev_name(resource));
                pm_request_resume(dep->dev);
        }
 
@@ -953,7 +958,6 @@ struct acpi_device *acpi_add_power_resource(acpi_handle handle)
        mutex_init(&resource->resource_lock);
        INIT_LIST_HEAD(&resource->list_node);
        INIT_LIST_HEAD(&resource->dependents);
-       resource->name = device->pnp.bus_id;
        strcpy(acpi_device_name(device), ACPI_POWER_DEVICE_NAME);
        strcpy(acpi_device_class(device), ACPI_POWER_CLASS);
        device->power.state = ACPI_STATE_UNKNOWN;