drivers: dma: stm32: avoid clear TE in case of hal_override

If hal_override is set, avoid reporting an error and clear the
transfer error (TE) bit so that HAL code can properly handle it.

Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>

Author: Alain Volmat

drivers/dma/dma_stm32.c

@@ -133,10 +133,13 @@ static void dma_stm32_irq_handler(const struct device *dev, uint32_t id)
 		stream->dma_callback(dev, stream->user_data,
 				     callback_arg, -EIO);
 	} else {
-		LOG_ERR("Transfer Error.");
-		stream->busy = false;
-		dma_stm32_dump_stream_irq(dev, id);
-		dma_stm32_clear_stream_irq(dev, id);
+		/* Let HAL DMA handle flags on its own */
+		if (!stream->hal_override) {
+			LOG_ERR("Transfer Error.");
+			stream->busy = false;
+			dma_stm32_dump_stream_irq(dev, id);
+			dma_stm32_clear_stream_irq(dev, id);
+		}
 		stream->dma_callback(dev, stream->user_data,
 				     callback_arg, -EIO);
 	}