1 files changed, 6 insertions, 0 deletions

diff --git a/common_features.mk b/common_features.mk
index 2806544f8..088db89ca 100644
--- a/common_features.mk
+++ b/common_features.mk
@@ -304,6 +304,12 @@ ifeq ($(strip $(WS2812_DRIVER_REQUIRED)), yes)
         SRC += ws2812.c
     else
         SRC += ws2812_$(strip $(WS2812_DRIVER)).c
+
+        ifeq ($(strip $(PLATFORM)), CHIBIOS)
+            ifeq ($(strip $(WS2812_DRIVER)), pwm)
+                OPT_DEFS += -DSTM32_DMA_REQUIRED=TRUE
+            endif
+        endif
     endif
 
     # add extra deps