1 files changed, 1 insertions, 22 deletions
diff --git a/testhal/STM32/STM32L4xx/GPT-ADC/main.c b/testhal/STM32/STM32L4xx/GPT-ADC/main.c
index ca691c205..bc695e55a 100644
--- a/testhal/STM32/STM32L4xx/GPT-ADC/main.c
+++ b/testhal/STM32/STM32L4xx/GPT-ADC/main.c
@@ -17,10 +17,6 @@
 #include "ch.h"
 #include "hal.h"
 
-/* TRUE means that DMA-accessible buffers are placed in a non-cached RAM
-   area and that no cache management is required.*/
-#define DMA_BUFFERS_COHERENCE TRUE
-
 /*===========================================================================*/
 /* GPT driver related.                                                       */
 /*===========================================================================*/
@@ -42,16 +38,7 @@ static const GPTConfig gpt4cfg1 = {
 #define ADC_GRP1_NUM_CHANNELS   2
 #define ADC_GRP1_BUF_DEPTH      64
 
-#if !DMA_BUFFERS_COHERENCE
-/* Note, the buffer is aligned to a 32 bytes boundary because limitations
-   imposed by the data cache. Note, this is GNU specific, it must be
-   handled differently for other compilers.
-   Only required if the ADC buffer is placed in a cache-able area.*/
-#if defined(__GNUC__)
-__attribute__((aligned (32)))
-#endif
-#endif
-static adcsample_t samples1[ADC_GRP1_NUM_CHANNELS * ADC_GRP1_BUF_DEPTH];
+adcsample_t samples1[ADC_GRP1_NUM_CHANNELS * ADC_GRP1_BUF_DEPTH];
 
 /*
  * ADC streaming callback.
@@ -59,15 +46,7 @@ static adcsample_t samples1[ADC_GRP1_NUM_CHANNELS * ADC_GRP1_BUF_DEPTH];
 size_t nx = 0, ny = 0;
 static void adccallback(ADCDriver *adcp, adcsample_t *buffer, size_t n) {
 
-#if !DMA_BUFFERS_COHERENCE
-  /* DMA buffer invalidation because data cache, only invalidating the
-     half buffer just filled.
-     Only required if the ADC buffer is placed in a cache-able area.*/
-  dmaBufferInvalidate(buffer,
-                      n * adcp->grpp->num_channels * sizeof (adcsample_t));
-#else
   (void)adcp;
-#endif
 
   /* Updating counters.*/
   if (samples1 == buffer) {