Define STM32_DMA_REQUIRED when using DMA-based WS2812 driver on STM32. (#10127)

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

keyboards/zvecr/split_blackpill/rules.mk

@@ -31,6 +31,5 @@ FAUXCLICKY_ENABLE = no      # Use buzzer to emulate clicky switches
 SPLIT_KEYBOARD = yes
 SERIAL_DRIVER = usart
 WS2812_DRIVER = pwm
-OPT_DEFS += -DSTM32_DMA_REQUIRED=TRUE
 
 LAYOUTS = ortho_4x12

keyboards/zvecr/zv48/rules.mk

@@ -22,7 +22,6 @@ FAUXCLICKY_ENABLE = no      # Use buzzer to emulate clicky switches
 SPLIT_KEYBOARD = yes
 SERIAL_DRIVER = usart
 WS2812_DRIVER = pwm
-OPT_DEFS += -DSTM32_DMA_REQUIRED=TRUE
 
 DEFAULT_FOLDER = zvecr/zv48/f401