S_IRUSR | S_IWUSR, debugfsdir,
                                                 &pinfo->sampling_period);
        de->coeff_p = debugfs_create_u32("coeff_p", S_IRUSR | S_IWUSR,
-                                        debugfsdir, &pinfo->coeff_p);
+                                        debugfsdir, (u32 *)&pinfo->coeff_p);
        de->coeff_i = debugfs_create_u32("coeff_i", S_IRUSR | S_IWUSR,
-                                        debugfsdir, &pinfo->coeff_i);
+                                        debugfsdir, (u32 *)&pinfo->coeff_i);
        de->coeff_d = debugfs_create_u32("coeff_d", S_IRUSR | S_IWUSR,
-                                        debugfsdir, &pinfo->coeff_d);
+                                        debugfsdir, (u32 *)&pinfo->coeff_d);
        de->smoothing_shift = debugfs_create_u32("smoothing_shift",
                                                 S_IRUSR | S_IWUSR, debugfsdir,
                                                 &pinfo->smoothing_shift);