ACPI: Update Dock hotplug error messages

Updated Dock hotplug error messages with acpi_handle_<level>()
and pr_<level>().  Replaced acpi_get_name() & kfree() with
apci_handle_<level>().  Added error status to the messages where
needed.

Signed-off-by: Toshi Kani <toshi.kani@hp.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index ae4ebf2..f32bd47 100644 (file)
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -31,6 +31,7 @@
 #include <linux/platform_device.h>
 #include <linux/jiffies.h>
 #include <linux/stddef.h>
+#include <linux/acpi.h>
 #include <acpi/acpi_bus.h>
 #include <acpi/acpi_drivers.h>
 
@@ -460,12 +461,8 @@ static void handle_dock(struct dock_station *ds, int dock)
        struct acpi_object_list arg_list;
        union acpi_object arg;
        struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
-       struct acpi_buffer name_buffer = { ACPI_ALLOCATE_BUFFER, NULL };
 
-       acpi_get_name(ds->handle, ACPI_FULL_PATHNAME, &name_buffer);
-
-       printk(KERN_INFO PREFIX "%s - %s\n",
-               (char *)name_buffer.pointer, dock ? "docking" : "undocking");
+       acpi_handle_info(ds->handle, "%s\n", dock ? "docking" : "undocking");
 
        /* _DCK method has one argument */
        arg_list.count = 1;
@@ -474,11 +471,10 @@ static void handle_dock(struct dock_station *ds, int dock)
        arg.integer.value = dock;
        status = acpi_evaluate_object(ds->handle, "_DCK", &arg_list, &buffer);
        if (ACPI_FAILURE(status) && status != AE_NOT_FOUND)
-               ACPI_EXCEPTION((AE_INFO, status, "%s - failed to execute"
-                       " _DCK\n", (char *)name_buffer.pointer));
+               acpi_handle_err(ds->handle, "Failed to execute _DCK (0x%x)\n",
+                               status);
 
        kfree(buffer.pointer);
-       kfree(name_buffer.pointer);
 }
 
 static inline void dock(struct dock_station *ds)
@@ -525,9 +521,11 @@ static void dock_lock(struct dock_station *ds, int lock)
        status = acpi_evaluate_object(ds->handle, "_LCK", &arg_list, NULL);
        if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
                if (lock)
-                       printk(KERN_WARNING PREFIX "Locking device failed\n");
+                       acpi_handle_warn(ds->handle,
+                               "Locking device failed (0x%x)\n", status);
                else
-                       printk(KERN_WARNING PREFIX "Unlocking device failed\n");
+                       acpi_handle_warn(ds->handle,
+                               "Unlocking device failed (0x%x)\n", status);
        }
 }
 
@@ -667,7 +665,7 @@ static int handle_eject_request(struct dock_station *ds, u32 event)
        dock_lock(ds, 0);
        eject_dock(ds);
        if (dock_present(ds)) {
-               printk(KERN_ERR PREFIX "Unable to undock!\n");
+               acpi_handle_err(ds->handle, "Unable to undock!\n");
                return -EBUSY;
        }
        complete_undock(ds);
@@ -715,7 +713,7 @@ static void dock_notify(acpi_handle handle, u32 event, void *data)
                        begin_dock(ds);
                        dock(ds);
                        if (!dock_present(ds)) {
-                               printk(KERN_ERR PREFIX "Unable to dock!\n");
+                               acpi_handle_err(handle, "Unable to dock!\n");
                                complete_dock(ds);
                                break;
                        }
@@ -743,7 +741,7 @@ static void dock_notify(acpi_handle handle, u32 event, void *data)
                        dock_event(ds, event, UNDOCK_EVENT);
                break;
        default:
-               printk(KERN_ERR PREFIX "Unknown dock event %d\n", event);
+               acpi_handle_err(handle, "Unknown dock event %d\n", event);
        }
 }
 
@@ -987,7 +985,7 @@ err_rmgroup:
        sysfs_remove_group(&dd->dev.kobj, &dock_attribute_group);
 err_unregister:
        platform_device_unregister(dd);
-       printk(KERN_ERR "%s encountered error %d\n", __func__, ret);
+       acpi_handle_err(handle, "%s encountered error %d\n", __func__, ret);
        return ret;
 }
 
@@ -1043,12 +1041,12 @@ static int __init dock_init(void)
                ACPI_UINT32_MAX, find_dock_and_bay, NULL, NULL, NULL);
 
        if (!dock_station_count) {
-               printk(KERN_INFO PREFIX "No dock devices found.\n");
+               pr_info(PREFIX "No dock devices found.\n");
                return 0;
        }
 
        register_acpi_bus_notifier(&dock_acpi_notifier);
-       printk(KERN_INFO PREFIX "%s: %d docks/bays found\n",
+       pr_info(PREFIX "%s: %d docks/bays found\n",
                ACPI_DOCK_DRIVER_DESCRIPTION, dock_station_count);
        return 0;
 }