powerpc/rfi-flush: Always enable fallback flush on pseries
[linux-2.6-microblaze.git] / arch / powerpc / platforms / pseries / setup.c
index 4642e48..b20d107 100644 (file)
@@ -468,26 +468,18 @@ static void pseries_setup_rfi_flush(void)
 
        /* Enable by default */
        enable = true;
+       types = L1D_FLUSH_FALLBACK;
 
        rc = plpar_get_cpu_characteristics(&result);
        if (rc == H_SUCCESS) {
-               types = L1D_FLUSH_NONE;
-
                if (result.character & H_CPU_CHAR_L1D_FLUSH_TRIG2)
                        types |= L1D_FLUSH_MTTRIG;
                if (result.character & H_CPU_CHAR_L1D_FLUSH_ORI30)
                        types |= L1D_FLUSH_ORI;
 
-               /* Use fallback if nothing set in hcall */
-               if (types == L1D_FLUSH_NONE)
-                       types = L1D_FLUSH_FALLBACK;
-
                if ((!(result.behaviour & H_CPU_BEHAV_L1D_FLUSH_PR)) ||
                    (!(result.behaviour & H_CPU_BEHAV_FAVOUR_SECURITY)))
                        enable = false;
-       } else {
-               /* Default to fallback if case hcall is not available */
-               types = L1D_FLUSH_FALLBACK;
        }
 
        setup_rfi_flush(types, enable);