add comment on dma2 init
@@ -134,6 +134,7 @@ pub fn setup(
let dma_streams =
hal::dma::dma::StreamsTuple::new(device.DMA1, ccdr.peripheral.DMA1);
+ // Early, before the DMA1 peripherals (#272)
#[cfg(feature = "pounder_v1_1")]
let dma2_streams =
hal::dma::dma::StreamsTuple::new(device.DMA2, ccdr.peripheral.DMA2);
