*
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/kernel.h>
 #include <linux/delay.h>
 #include <linux/module.h>
 #define RTL_SIGNATURE 0x0000005f4c54525fULL
 #define RTL_MASK      0x000000ffffffffffULL
 
-#define RTL_DEBUG(A, ...) do { \
-       if (debug) \
-               pr_info("ibm-rtl: " A, ##__VA_ARGS__ ); \
+#define RTL_DEBUG(fmt, ...)                            \
+do {                                                   \
+       if (debug)                                      \
+               pr_info(fmt, ##__VA_ARGS__);            \
 } while (0)
 
 static DEFINE_MUTEX(rtl_lock);
        int ret = 0, count = 0;
        static u32 cmd_port_val;
 
-       RTL_DEBUG("%s(%d)\n", __FUNCTION__, value);
+       RTL_DEBUG("%s(%d)\n", __func__, value);
 
        value = value == 1 ? RTL_CMD_ENTER_PRTM : RTL_CMD_EXIT_PRTM;
 
                while (ioread8(&rtl_table->command)) {
                        msleep(10);
                        if (count++ > 500) {
-                               pr_err("ibm-rtl: Hardware not responding to "
-                                       "mode switch request\n");
+                               pr_err("Hardware not responding to "
+                                      "mode switch request\n");
                                ret = -EIO;
                                break;
                        }
        int ret = -ENODEV, i;
 
        if (force)
-               pr_warning("ibm-rtl: module loaded by force\n");
+               pr_warn("module loaded by force\n");
        /* first ensure that we are running on IBM HW */
        else if (efi_enabled || !dmi_check_system(ibm_rtl_dmi_table))
                return -ENODEV;
                        rtl_cmd_width = ioread8(&rtl_table->cmd_granularity);
                        rtl_cmd_type = ioread8(&rtl_table->cmd_address_type);
                        RTL_DEBUG("rtl_cmd_width = %u, rtl_cmd_type = %u\n",
-                             rtl_cmd_width, rtl_cmd_type);
+                                 rtl_cmd_width, rtl_cmd_type);
                        addr = ioread32(&rtl_table->cmd_port_address);
                        RTL_DEBUG("addr = %#llx\n", (unsigned long long)addr);
                        plen = rtl_cmd_width/sizeof(char);