// Copyright (C) 2012 Google, Inc.
 // Author: Benson Leung <bleung@chromium.org>
 
+#define pr_fmt(fmt)            KBUILD_MODNAME ": " fmt
+
 #include <linux/dmi.h>
 #include <linux/i2c.h>
 #include <linux/platform_data/atmel_mxt_ts.h>
        if (name) {
                dmi_dev = dmi_find_device(DMI_DEV_TYPE_DEV_ONBOARD, name, NULL);
                if (!dmi_dev) {
-                       pr_err("%s failed to dmi find device %s.\n",
-                              __func__,
-                              name);
+                       pr_err("failed to dmi find device %s\n", name);
                        return NULL;
                }
                dev_data = (struct dmi_dev_onboard *)dmi_dev->device_data;
                if (!dev_data) {
-                       pr_err("%s failed to get data from dmi for %s.\n",
-                              __func__, name);
+                       pr_err("failed to get data from dmi for %s\n", name);
                        return NULL;
                }
                info->irq = dev_data->instance;
 
        adapter = i2c_get_adapter(bus);
        if (!adapter) {
-               pr_err("%s failed to get i2c adapter %d.\n", __func__, bus);
+               pr_err("failed to get i2c adapter %d\n", bus);
                return NULL;
        }
 
                dummy = i2c_new_probed_device(adapter, &dummy_info,
                                              alt_addr_list, NULL);
                if (dummy) {
-                       pr_debug("%s %d-%02x is probed at %02x\n",
-                                 __func__, bus, info->addr, dummy->addr);
+                       pr_debug("%d-%02x is probed at %02x\n",
+                                bus, info->addr, dummy->addr);
                        i2c_unregister_device(dummy);
                        client = i2c_new_device(adapter, info);
                }
        }
 
        if (!client)
-               pr_notice("%s failed to register device %d-%02x\n",
-                         __func__, bus, info->addr);
+               pr_notice("failed to register device %d-%02x\n",
+                         bus, info->addr);
        else
-               pr_debug("%s added i2c device %d-%02x\n",
-                        __func__, bus, info->addr);
+               pr_debug("added i2c device %d-%02x\n", bus, info->addr);
 
        i2c_put_adapter(adapter);
        return client;
        dev = bus_find_device(&i2c_bus_type, NULL, &lookup, __find_i2c_adap);
        if (!dev) {
                /* Adapters may appear later. Deferred probing will retry */
-               pr_notice("%s: i2c adapter %s not found on system.\n", __func__,
+               pr_notice("i2c adapter %s not found on system.\n",
                          lookup.name);
                return -ENODEV;
        }
 static int __init chromeos_laptop_dmi_matched(const struct dmi_system_id *id)
 {
        cros_laptop = (void *)id->driver_data;
-       pr_debug("DMI Matched %s.\n", id->ident);
+       pr_debug("DMI Matched %s\n", id->ident);
 
        /* Indicate to dmi_scan that processing is done. */
        return 1;
                                ret = -EPROBE_DEFER;
                        } else {
                                /* Ran out of tries. */
-                               pr_notice("%s: Ran out of tries for device.\n",
-                                         __func__);
+                               pr_notice("ran out of tries for device.\n");
                                i2c_dev->state = TIMEDOUT;
                        }
                } else {
        int ret;
 
        if (!dmi_check_system(chromeos_laptop_dmi_table)) {
-               pr_debug("%s unsupported system.\n", __func__);
+               pr_debug("unsupported system\n");
                return -ENODEV;
        }