From 5eeb9650b5bbaeb2a07436d0e9cc5036dc518723 Mon Sep 17 00:00:00 2001
From: ellensp <530024+ellensp@users.noreply.github.com>
Date: Mon, 6 Dec 2021 10:42:56 +1300
Subject: [PATCH] =?UTF-8?q?=F0=9F=93=8C=20More=20Longer3D=20LKx=20Pro=20se?=
 =?UTF-8?q?rial=20tests=20=20(#23260)?=
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---
 Marlin/src/pins/ramps/pins_LONGER3D_LKx_PRO.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Marlin/src/pins/ramps/pins_LONGER3D_LKx_PRO.h b/Marlin/src/pins/ramps/pins_LONGER3D_LKx_PRO.h
index 75ee01946a..729a82b9c6 100644
--- a/Marlin/src/pins/ramps/pins_LONGER3D_LKx_PRO.h
+++ b/Marlin/src/pins/ramps/pins_LONGER3D_LKx_PRO.h
@@ -32,13 +32,13 @@
   #error "Longer3D LGT KIT V1.0 board only supports one hotend / E-stepper. Comment out this line to continue."
 #endif
 
-#if SERIAL_PORT == 1 || SERIAL_PORT_2 == 1
+#if SERIAL_PORT == 1 || SERIAL_PORT_2 == 1 || SERIAL_PORT_3 == 1
   #warning "Serial 1 is originally reserved to DGUS LCD."
 #endif
-#if SERIAL_PORT == 2 || SERIAL_PORT_2 == 2
+#if SERIAL_PORT == 2 || SERIAL_PORT_2 == 2 || SERIAL_PORT_3 == 2 || LCD_SERIAL_PORT == 2
   #warning "Serial 2 has no connector. Hardware changes may be required to use it."
 #endif
-#if SERIAL_PORT == 3 || SERIAL_PORT_2 == 3
+#if SERIAL_PORT == 3 || SERIAL_PORT_2 == 3 || SERIAL_PORT_3 == 3 || LCD_SERIAL_PORT == 3
   #define CHANGE_Y_LIMIT_PINS
   #warning "Serial 3 is originally reserved to Y limit switches. Hardware changes are required to use it."
 #endif