Merge pull request #7212 from thinkyhead/bf_m48_real_probe

M48 needs a real probe

Marlin/Marlin_main.cpp

 
 #endif
 
-void setup_homepin(void) {
-  #if HAS_HOME
-    SET_INPUT_PULLUP(HOME_PIN);
-  #endif
-}
-
 void setup_powerhold() {
   #if HAS_SUICIDE
     OUT_WRITE(SUICIDE_PIN, HIGH);
     OUT_WRITE(SOL1_PIN, LOW); // turn it off
   #endif
 
-  setup_homepin();
+  #if HAS_HOME
+    SET_INPUT_PULLUP(HOME_PIN);
+  #endif
 
   #if PIN_EXISTS(STAT_LED_RED)
     OUT_WRITE(STAT_LED_RED_PIN, LOW); // turn it off

Marlin/SanityCheck.h

     #else
       #error "Auto Bed Leveling requires one of these: PROBE_MANUALLY, FIX_MOUNTED_PROBE, BLTOUCH, SOLENOID_PROBE, Z_PROBE_ALLEN_KEY, Z_PROBE_SLED, or a Z Servo."
     #endif
-  #elif ENABLED(Z_MIN_PROBE_REPEATABILITY_TEST)
-    #error "Z_MIN_PROBE_REPEATABILITY_TEST requires a probe: FIX_MOUNTED_PROBE, BLTOUCH, SOLENOID_PROBE, Z_PROBE_ALLEN_KEY, Z_PROBE_SLED, or Z Servo."
   #endif
 
 #endif
 
+#if ENABLED(Z_MIN_PROBE_REPEATABILITY_TEST) && !HAS_BED_PROBE
+  #error "Z_MIN_PROBE_REPEATABILITY_TEST requires a probe: FIX_MOUNTED_PROBE, BLTOUCH, SOLENOID_PROBE, Z_PROBE_ALLEN_KEY, Z_PROBE_SLED, or Z Servo."
+#endif
+
 /**
  * Allow only one bed leveling option to be defined
  */