13 files changed, 25 insertions, 44 deletions
diff --git a/build_test.mk b/build_test.mk
index 4c09bf0278..b6b8782174 100644
--- a/build_test.mk
+++ b/build_test.mk
@@ -63,7 +63,7 @@ endif
 $(TEST)_SRC += \
 	tests/test_common/main.c \
 	$(LIB_PATH)/printf/printf.c \
-	$(COMMON_DIR)/printf.c
+	$(QUANTUM_PATH)/logging/print.c
 
 $(TEST_OBJ)/$(TEST)_SRC := $($(TEST)_SRC)
 $(TEST_OBJ)/$(TEST)_INC := $($(TEST)_INC) $(VPATH) $(GTEST_INC)
diff --git a/common_features.mk b/common_features.mk
index 75a9e1f2eb..15b7b464fd 100644
--- a/common_features.mk
+++ b/common_features.mk
@@ -21,7 +21,15 @@ QUANTUM_SRC += \
     $(QUANTUM_DIR)/bitwise.c \
     $(QUANTUM_DIR)/led.c \
     $(QUANTUM_DIR)/keymap_common.c \
-    $(QUANTUM_DIR)/keycode_config.c
+    $(QUANTUM_DIR)/keycode_config.c \
+    $(QUANTUM_DIR)/logging/debug.c \
+    $(QUANTUM_DIR)/logging/sendchar.c \
+
+VPATH += $(QUANTUM_DIR)/logging
+# Fall back to lib/printf if there is no platform provided print
+ifeq ("$(wildcard $(TMK_PATH)/common/$(PLATFORM_KEY)/printf.mk)","")
+    include $(QUANTUM_PATH)/logging/print.mk
+endif
 
 ifeq ($(strip $(DEBUG_MATRIX_SCAN_RATE_ENABLE)), yes)
     OPT_DEFS += -DDEBUG_MATRIX_SCAN_RATE
diff --git a/tmk_core/common/debug.c b/quantum/logging/debug.c
index ea62deaa8c..ea62deaa8c 100644
--- a/tmk_core/common/debug.c
+++ b/quantum/logging/debug.c
diff --git a/tmk_core/common/debug.h b/quantum/logging/debug.h
index 3d2e2315ef..8415310356 100644
--- a/tmk_core/common/debug.h
+++ b/quantum/logging/debug.h
@@ -67,7 +67,7 @@ extern debug_config_t debug_config;
         do {                                               \
             if (debug_enable) xprintf(fmt, ##__VA_ARGS__); \
         } while (0)
-#    define dmsg(s) dprintf("%s at %s: %S\n", __FILE__, __LINE__, PSTR(s))
+#    define dmsg(s) dprintf("%s at %d: %s\n", __FILE__, __LINE__, s)
 
 /* Deprecated. DO NOT USE these anymore, use dprintf instead. */
 #    define debug(s)                    \
diff --git a/tmk_core/common/nodebug.h b/quantum/logging/nodebug.h
index 0b176684bd..0b176684bd 100644
--- a/tmk_core/common/nodebug.h
+++ b/quantum/logging/nodebug.h
diff --git a/tmk_core/common/printf.c b/quantum/logging/print.c
index e8440e55ee..e8440e55ee 100644
--- a/tmk_core/common/printf.c
+++ b/quantum/logging/print.c
diff --git a/tmk_core/common/print.h b/quantum/logging/print.h
index 8c055f549e..8c055f549e 100644
--- a/tmk_core/common/print.h
+++ b/quantum/logging/print.h
diff --git a/quantum/logging/print.mk b/quantum/logging/print.mk
new file mode 100644
index 0000000000..67c004192d
--- /dev/null
+++ b/quantum/logging/print.mk
@@ -0,0 +1,9 @@
+PRINTF_PATH = $(LIB_PATH)/printf
+
+VPATH += $(PRINTF_PATH)
+SRC += $(PRINTF_PATH)/printf.c
+QUANTUM_SRC +=$(QUANTUM_DIR)/logging/print.c
+OPT_DEFS += -DPRINTF_DISABLE_SUPPORT_FLOAT
+OPT_DEFS += -DPRINTF_DISABLE_SUPPORT_EXPONENTIAL
+OPT_DEFS += -DPRINTF_DISABLE_SUPPORT_LONG_LONG
+OPT_DEFS += -DPRINTF_DISABLE_SUPPORT_PTRDIFF_T
diff --git a/tmk_core/common/sendchar_null.c b/quantum/logging/sendchar.c
index fb67f70866..9422382f6f 100644
--- a/tmk_core/common/sendchar_null.c
+++ b/quantum/logging/sendchar.c
@@ -16,4 +16,5 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 #include "sendchar.h"
 
+/* default noop "null" implementation */
 __attribute__((weak)) int8_t sendchar(uint8_t c) { return 0; }
diff --git a/tmk_core/common/sendchar.h b/quantum/logging/sendchar.h
index edcddaa6bb..edcddaa6bb 100644
--- a/tmk_core/common/sendchar.h
+++ b/quantum/logging/sendchar.h
diff --git a/tmk_core/common.mk b/tmk_core/common.mk
index 2f8f81126a..bd4142364c 100644
--- a/tmk_core/common.mk
+++ b/tmk_core/common.mk
@@ -8,22 +8,16 @@ TMK_COMMON_SRC +=	$(COMMON_DIR)/host.c \
 	$(COMMON_DIR)/action_macro.c \
 	$(COMMON_DIR)/action_layer.c \
 	$(COMMON_DIR)/action_util.c \
-	$(COMMON_DIR)/debug.c \
-	$(COMMON_DIR)/sendchar_null.c \
 	$(COMMON_DIR)/eeconfig.c \
 	$(COMMON_DIR)/report.c \
+	$(COMMON_DIR)/sync_timer.c \
 	$(COMMON_DIR)/usb_util.c \
 	$(PLATFORM_COMMON_DIR)/suspend.c \
 	$(PLATFORM_COMMON_DIR)/timer.c \
-	$(COMMON_DIR)/sync_timer.c \
 	$(PLATFORM_COMMON_DIR)/bootloader.c \
 
-# Use platform provided print - fall back to lib/printf
-ifneq ("$(wildcard $(TMK_PATH)/$(PLATFORM_COMMON_DIR)/printf.mk)","")
-    include $(TMK_PATH)/$(PLATFORM_COMMON_DIR)/printf.mk
-else
-    include $(TMK_PATH)/$(COMMON_DIR)/lib_printf.mk
-endif
+# Use platform provided print if it exists
+-include $(TMK_PATH)/$(PLATFORM_COMMON_DIR)/printf.mk
 
 SHARED_EP_ENABLE = no
 MOUSE_SHARED_EP ?= yes
@@ -55,6 +49,7 @@ endif
 ifeq ($(strip $(CONSOLE_ENABLE)), yes)
     TMK_COMMON_DEFS += -DCONSOLE_ENABLE
 else
+    # TODO: decouple this so other print backends can exist
     TMK_COMMON_DEFS += -DNO_PRINT
     TMK_COMMON_DEFS += -DNO_DEBUG
 endif
diff --git a/tmk_core/common/lib_printf.mk b/tmk_core/common/lib_printf.mk
deleted file mode 100644
index 10d2d8468d..0000000000
--- a/tmk_core/common/lib_printf.mk
+++ /dev/null
@@ -1,9 +0,0 @@
-PRINTF_PATH = $(LIB_PATH)/printf
-
-TMK_COMMON_SRC += $(PRINTF_PATH)/printf.c
-TMK_COMMON_SRC += $(COMMON_DIR)/printf.c
-TMK_COMMON_DEFS += -DPRINTF_DISABLE_SUPPORT_FLOAT
-TMK_COMMON_DEFS += -DPRINTF_DISABLE_SUPPORT_EXPONENTIAL
-TMK_COMMON_DEFS += -DPRINTF_DISABLE_SUPPORT_LONG_LONG
-TMK_COMMON_DEFS += -DPRINTF_DISABLE_SUPPORT_PTRDIFF_T
-VPATH += $(PRINTF_PATH)
diff --git a/tmk_core/common/sendchar_uart.c b/tmk_core/common/sendchar_uart.c
deleted file mode 100644
index 2fc48bafff..0000000000
--- a/tmk_core/common/sendchar_uart.c
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
-Copyright 2011 Jun Wako <wakojun@gmail.com>
-
-This program is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-#include "uart.h"
-#include "sendchar.h"
-
-int8_t sendchar(uint8_t c) {
-    uart_putchar(c);
-    return 0;
-}