Fix homing with probe feedrates

Marlin/src/module/motion.cpp

@@ -985,11 +985,11 @@ void prepare_move_to_destination() {
 #endif // HAS_AXIS_UNHOMED_ERR
 
 /**
- * The homing feedrate may vary
+ * Homing bump feedrate (mm/s)
  */
 inline float get_homing_bump_feedrate(const AxisEnum axis) {
   #if HOMING_Z_WITH_PROBE
-    if (axis == Z_AXIS) return Z_PROBE_SPEED_SLOW;
+    if (axis == Z_AXIS) return MMM_TO_MMS(Z_PROBE_SPEED_SLOW);
   #endif
   static const uint8_t homing_bump_divisor[] PROGMEM = HOMING_BUMP_DIVISOR;
   uint8_t hbd = pgm_read_byte(&homing_bump_divisor[axis]);
@@ -1294,7 +1294,7 @@ void homeaxis(const AxisEnum axis) {
   // When homing Z with probe respect probe clearance
   const float bump = axis_home_dir * (
     #if HOMING_Z_WITH_PROBE
-      (axis == Z_AXIS && Z_HOME_BUMP_MM) ? max(Z_CLEARANCE_BETWEEN_PROBES, home_bump_mm(Z_AXIS)) :
+      (axis == Z_AXIS && (Z_HOME_BUMP_MM)) ? max(Z_CLEARANCE_BETWEEN_PROBES, Z_HOME_BUMP_MM) :
     #endif
     home_bump_mm(axis)
   );
@@ -1305,7 +1305,11 @@ void homeaxis(const AxisEnum axis) {
     #if ENABLED(DEBUG_LEVELING_FEATURE)
       if (DEBUGGING(LEVELING)) SERIAL_ECHOLNPGM("Move Away:");
     #endif
-    do_homing_move(axis, -bump);
+    do_homing_move(axis, -bump
+      #if HOMING_Z_WITH_PROBE
+        , MMM_TO_MMS(Z_PROBE_SPEED_FAST)
+      #endif
+    );
 
     // Slow move towards endstop until triggered
     #if ENABLED(DEBUG_LEVELING_FEATURE)

Marlin/src/module/probe.cpp

@@ -568,7 +568,7 @@ static bool do_probe_move(const float z, const float fr_mm_m) {
   #if MULTIPLE_PROBING == 2
 
     // Do a first probe at the fast speed
-    if (do_probe_move(z_probe_low_point, Z_PROBE_SPEED_FAST)) return NAN;
+    if (do_probe_move(z_probe_low_point, MMM_TO_MMS(Z_PROBE_SPEED_FAST))) return NAN;
 
     float first_probe_z = current_position[Z_AXIS];
 
@@ -588,7 +588,7 @@ static bool do_probe_move(const float z, const float fr_mm_m) {
 
     if (current_position[Z_AXIS] > z) {
       // If we don't make it to the z position (i.e. the probe triggered), move up to make clearance for the probe
-      if (!do_probe_move(z, Z_PROBE_SPEED_FAST))
+      if (!do_probe_move(z, MMM_TO_MMS(Z_PROBE_SPEED_FAST)))
         do_blocking_move_to_z(current_position[Z_AXIS] + Z_CLEARANCE_BETWEEN_PROBES, MMM_TO_MMS(Z_PROBE_SPEED_FAST));
     }
   #endif
@@ -599,7 +599,7 @@ static bool do_probe_move(const float z, const float fr_mm_m) {
   #endif
 
       // Move down slowly to find bed, not too far
-      if (do_probe_move(z_probe_low_point, Z_PROBE_SPEED_SLOW)) return NAN;
+      if (do_probe_move(z_probe_low_point, MMM_TO_MMS(Z_PROBE_SPEED_SLOW))) return NAN;
 
   #if MULTIPLE_PROBING > 2
       probes_total += current_position[Z_AXIS];