2 files changed, 11 insertions, 5 deletions
diff --git a/tmk_core/common/keyboard.c b/tmk_core/common/keyboard.c
index 13b3cb4c0..a6a5fb56b 100644
--- a/tmk_core/common/keyboard.c
+++ b/tmk_core/common/keyboard.c
@@ -120,6 +120,14 @@ static inline bool has_ghost_in_row(uint8_t row, matrix_row_t rowdata)
 
 #endif
 
+void disable_jtag(void) {
+// To use PORTF disable JTAG with writing JTD bit twice within four cycles.
+#if (defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB1287__) || defined(__AVR_ATmega32U4__))
+    MCUCR |= _BV(JTD);
+    MCUCR |= _BV(JTD);
+#endif
+}
+
 /** \brief matrix_setup
  *
  * FIXME: needs doc
@@ -133,6 +141,7 @@ void matrix_setup(void) {
  * FIXME: needs doc
  */
 void keyboard_setup(void) {
+    disable_jtag();
     matrix_setup();
 }
 
@@ -151,11 +160,6 @@ bool is_keyboard_master(void) {
  */
 void keyboard_init(void) {
     timer_init();
-// To use PORTF disable JTAG with writing JTD bit twice within four cycles.
-#if  (defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB1287__) || defined(__AVR_ATmega32U4__))
-  MCUCR |= _BV(JTD);
-  MCUCR |= _BV(JTD);
-#endif
     matrix_init();
 #ifdef PS2_MOUSE_ENABLE
     ps2_mouse_init();
diff --git a/tmk_core/common/keyboard.h b/tmk_core/common/keyboard.h
index f17003c2f..71e594a89 100644
--- a/tmk_core/common/keyboard.h
+++ b/tmk_core/common/keyboard.h
@@ -57,6 +57,8 @@ static inline bool IS_RELEASED(keyevent_t event) { return (!IS_NOEVENT(event) &&
     .time = (timer_read() | 1)                          \
 }
 
+void disable_jtag(void);
+
 /* it runs once at early stage of startup before keyboard_init. */
 void keyboard_setup(void);
 /* it runs once after initializing host side protocol, debug and MCU peripherals. */