diff --git a/embassy-stm32/src/dma/gpdma/mod.rs b/embassy-stm32/src/dma/gpdma/mod.rs
index 16e51781e..b987f1ede 100644
--- a/embassy-stm32/src/dma/gpdma/mod.rs
+++ b/embassy-stm32/src/dma/gpdma/mod.rs
@@ -382,23 +382,21 @@ impl AnyChannel {
 /// Linked-list DMA transfer.
 #[must_use = "futures do nothing unless you `.await` or poll them"]
 pub struct LinkedListTransfer<'a, const ITEM_COUNT: usize> {
-    channel: PeripheralRef<'a, AnyChannel>,
+    channel: Peri<'a, AnyChannel>,
 }
 
 impl<'a, const ITEM_COUNT: usize> LinkedListTransfer<'a, ITEM_COUNT> {
     /// Create a new linked-list transfer.
     pub unsafe fn new_linked_list<const N: usize>(
-        channel: impl Peripheral<P = impl Channel> + 'a,
+        channel: Peri<'a, impl Channel>,
         table: Table<ITEM_COUNT>,
         options: TransferOptions,
     ) -> Self {
-        into_ref!(channel);
-
-        Self::new_inner_linked_list(channel.map_into(), table, options)
+        Self::new_inner_linked_list(channel.into(), table, options)
     }
 
     unsafe fn new_inner_linked_list(
-        channel: PeripheralRef<'a, AnyChannel>,
+        channel: Peri<'a, AnyChannel>,
         table: Table<ITEM_COUNT>,
         options: TransferOptions,
     ) -> Self {
@@ -576,7 +574,7 @@ impl<'a> Transfer<'a> {
         assert!(mem_len > 0 && mem_len <= 0xFFFF);
 
         channel.configure(
-            _request,
+            request,
             dir,
             peri_addr,
             mem_addr,
diff --git a/embassy-stm32/src/dma/gpdma/ringbuffered.rs b/embassy-stm32/src/dma/gpdma/ringbuffered.rs
index a5d2c700c..88ec666dc 100644
--- a/embassy-stm32/src/dma/gpdma/ringbuffered.rs
+++ b/embassy-stm32/src/dma/gpdma/ringbuffered.rs
@@ -5,7 +5,7 @@ use core::future::poll_fn;
 use core::sync::atomic::{fence, Ordering};
 use core::task::Waker;
 
-use embassy_hal_internal::{into_ref, Peripheral, PeripheralRef};
+use embassy_hal_internal::Peri;
 
 use super::{AnyChannel, TransferOptions, STATE};
 use crate::dma::gpdma::linked_list::{LinearItem, RunMode, Table};
@@ -13,7 +13,7 @@ use crate::dma::ringbuffer::{DmaCtrl, Error, ReadableDmaRingBuffer, WritableDmaR
 use crate::dma::word::Word;
 use crate::dma::{Channel, Request};
 
-struct DmaCtrlImpl<'a>(PeripheralRef<'a, AnyChannel>);
+struct DmaCtrlImpl<'a>(Peri<'a, AnyChannel>);
 
 impl<'a> DmaCtrl for DmaCtrlImpl<'a> {
     fn get_remaining_transfers(&self) -> usize {
@@ -48,7 +48,7 @@ impl<'a> DmaCtrl for DmaCtrlImpl<'a> {
 
 /// Ringbuffer for receiving data using GPDMA linked-list mode.
 pub struct ReadableRingBuffer<'a, W: Word> {
-    channel: PeripheralRef<'a, AnyChannel>,
+    channel: Peri<'a, AnyChannel>,
     ringbuf: ReadableDmaRingBuffer<'a, W>,
     table: Table<2>,
 }
@@ -58,14 +58,13 @@ impl<'a, W: Word> ReadableRingBuffer<'a, W> {
     ///
     /// Transfer options are applied to the individual linked list items.
     pub unsafe fn new(
-        channel: impl Peripheral<P = impl Channel> + 'a,
+        channel: Peri<'a, impl Channel>,
         request: Request,
         peri_addr: *mut W,
         buffer: &'a mut [W],
         _options: TransferOptions,
     ) -> Self {
-        into_ref!(channel);
-        let channel: PeripheralRef<'a, AnyChannel> = channel.map_into();
+        let channel: Peri<'a, AnyChannel> = channel.into();
 
         // Buffer halves should be the same length.
         let half_len = buffer.len() / 2;
@@ -195,7 +194,7 @@ impl<'a, W: Word> Drop for ReadableRingBuffer<'a, W> {
 
 /// Ringbuffer for writing data using DMA circular mode.
 pub struct WritableRingBuffer<'a, W: Word> {
-    channel: PeripheralRef<'a, AnyChannel>,
+    channel: Peri<'a, AnyChannel>,
     ringbuf: WritableDmaRingBuffer<'a, W>,
     table: Table<2>,
 }
@@ -203,14 +202,13 @@ pub struct WritableRingBuffer<'a, W: Word> {
 impl<'a, W: Word> WritableRingBuffer<'a, W> {
     /// Create a new ring buffer.
     pub unsafe fn new(
-        channel: impl Peripheral<P = impl Channel> + 'a,
+        channel: Peri<'a, impl Channel>,
         request: Request,
         peri_addr: *mut W,
         buffer: &'a mut [W],
         _options: TransferOptions,
     ) -> Self {
-        into_ref!(channel);
-        let channel: PeripheralRef<'a, AnyChannel> = channel.map_into();
+        let channel: Peri<'a, AnyChannel> = channel.into();
 
         // Buffer halves should be the same length.
         let half_len = buffer.len() / 2;