From a7f10212659118201ec3fa97d1fd39db95dc2df4 Mon Sep 17 00:00:00 2001
From: Giuliano Zaro <3684609+GMagician@users.noreply.github.com>
Date: Sat, 10 Aug 2019 00:00:20 +0200
Subject: [PATCH] Fix SPI_ENDSTOPS compile error (#14906)

---
 Marlin/src/Marlin.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Marlin/src/Marlin.cpp b/Marlin/src/Marlin.cpp
index 993dd2652..d6285225c 100644
--- a/Marlin/src/Marlin.cpp
+++ b/Marlin/src/Marlin.cpp
@@ -661,9 +661,14 @@ void idle(
 ) {
 
   #if ENABLED(SPI_ENDSTOPS)
-    if (endstops.tmc_spi_homing.any && ELAPSED(millis(), sg_guard_period))
+    if (endstops.tmc_spi_homing.any
+      #if ENABLED(IMPROVE_HOMING_RELIABILITY)
+        && ELAPSED(millis(), sg_guard_period)
+      #endif
+    ) {
       for (uint8_t i = 4; i--;) // Read SGT 4 times per idle loop
         if (endstops.tmc_spi_homing_check()) break;
+    }
   #endif
 
   #if ENABLED(MAX7219_DEBUG)