Include order, spacing, etc.

Marlin/src/HAL/HAL_AVR/endstop_interrupts.h

  */
 
 #include "../../core/macros.h"
-#include <stdint.h>
 #include "../../module/endstops.h"
 
+#include <stdint.h>
+
 // One ISR for all EXT-Interrupts
 void endstop_ISR(void) { endstops.update(); }
 

Marlin/src/HAL/HAL_AVR/fastio_AVR.h

  * Contributed by Triffid_Hunter and modified by Kliment, thinkyhead, Bob-the-Kuhn, et.al.
  */
 
-#include <avr/io.h>
 #include "../../core/macros.h"
 
+#include <avr/io.h>
+
 #define AVR_AT90USB1286_FAMILY (defined(__AVR_AT90USB1287__) || defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB1286P__) || defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB646P__) || defined(__AVR_AT90USB647__))
 #define AVR_ATmega1284_FAMILY (defined(__AVR_ATmega644__) || defined(__AVR_ATmega644P__) || defined(__AVR_ATmega644PA__) || defined(__AVR_ATmega1284P__))
 #define AVR_ATmega2560_FAMILY (defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__))

Marlin/src/HAL/HAL_DUE/DebugMonitor_Due.cpp

 
 #include "../../core/macros.h"
 #include "../../core/serial.h"
-#include <stdarg.h>
 
 #include "../shared/backtrace/unwinder.h"
 #include "../shared/backtrace/unwmemaccess.h"
 
+#include <stdarg.h>
+
 // Debug monitor that dumps to the Programming port all status when
 // an exception or WDT timeout happens - And then resets the board
 

Marlin/src/HAL/HAL_ESP32/HAL_spi_ESP32.cpp

 
 #include "HAL.h"
 #include "../shared/HAL_SPI.h"
-#include "pins_arduino.h"
+#include <pins_arduino.h>
 #include "spi_pins.h"
 #include "../../core/macros.h"
 #include <SPI.h>

Marlin/src/HAL/HAL_LINUX/spi_pins.h

  */
 #pragma once
 
-#include "src/core/macros.h"
+#include "../../core/macros.h"
+#include "../../inc/MarlinConfigPre.h"
 
 #if BOTH(SDSUPPORT, DOGLCD) && (LCD_PINS_D4 == SCK_PIN || LCD_PINS_ENABLE == MOSI_PIN || DOGLCD_SCK == SCK_PIN || DOGLCD_MOSI == MOSI_PIN)
   #define LPC_SOFTWARE_SPI  // If the SD card and LCD adapter share the same SPI pins, then software SPI is currently

Marlin/src/HAL/HAL_LPC1768/spi_pins.h

  */
 #pragma once
 
-#include "src/core/macros.h"
+#include "../../core/macros.h"
 
 #if ENABLED(SDSUPPORT) && HAS_GRAPHICAL_LCD && (LCD_PINS_D4 == SCK_PIN || LCD_PINS_ENABLE == MOSI_PIN || DOGLCD_SCK == SCK_PIN || DOGLCD_MOSI == MOSI_PIN)
   #define LPC_SOFTWARE_SPI  // If the SD card and LCD adapter share the same SPI pins, then software SPI is currently

Marlin/src/HAL/HAL_STM32F4/HAL_spi_STM32F4.cpp

 
 #include "HAL.h"
 #include "../shared/HAL_SPI.h"
-#include "pins_arduino.h"
+#include <pins_arduino.h>
 #include "spi_pins.h"
 #include "../../core/macros.h"
 #include <SPI.h>

Marlin/src/HAL/HAL_STM32F7/HAL_spi_STM32F7.cpp

 
 #include "HAL.h"
 #include "../shared/HAL_SPI.h"
-#include "pins_arduino.h"
+#include <pins_arduino.h>
 #include "spi_pins.h"
 #include "../../core/macros.h"
 #include <SPI.h>

Marlin/src/lcd/extui_dgus_lcd.cpp

     ScreenHandler.UpdateScreenVPData();
   }
 
- void onIdle() { ScreenHandler.loop(); }
+  void onIdle() { ScreenHandler.loop(); }
 
- void onPrinterKilled(const char* msg) {
-   ScreenHandler.sendinfoscreen(PSTR(MSG_HALTED), msg, PSTR(""), PSTR(MSG_PLEASE_RESET), true, true, true, true);
-   ScreenHandler.GotoScreen(DGUSLCD_SCREEN_KILL);
-   while (!ScreenHandler.loop());  // Wait while anything is left to be sent
- }
+  void onPrinterKilled(const char* msg) {
+    ScreenHandler.sendinfoscreen(PSTR(MSG_HALTED), msg, PSTR(""), PSTR(MSG_PLEASE_RESET), true, true, true, true);
+    ScreenHandler.GotoScreen(DGUSLCD_SCREEN_KILL);
+    while (!ScreenHandler.loop());  // Wait while anything is left to be sent
+  }
 
   void onMediaInserted() { ScreenHandler.SDCardInserted(); }
   void onMediaError()    { ScreenHandler.SDCardError(); }

Marlin/src/lcd/menu/menu.cpp

 /////////// Common Menu Actions ////////////
 ////////////////////////////////////////////
 
-void MenuItem_gcode::action(PGM_P pgcode) { queue.inject_P(pgcode); }
+void MenuItem_gcode::action(PGM_P const pgcode) { queue.inject_P(pgcode); }
 
 ////////////////////////////////////////////
 /////////// Menu Editing Actions ///////////

Marlin/src/lcd/menu/menu_filament.cpp

     case PAUSE_MESSAGE_HEAT:     return lcd_pause_heat_message;
     case PAUSE_MESSAGE_HEATING:  return lcd_pause_heating_message;
     case PAUSE_MESSAGE_OPTION:   pause_menu_response = PAUSE_RESPONSE_WAIT_FOR;
-                                          return menu_pause_option;
+                                 return menu_pause_option;
     case PAUSE_MESSAGE_STATUS:
     default: break;
   }