9 files changed, 45 insertions, 32 deletions

diff --git a/embassy-rp/src/spi.rs b/embassy-rp/src/spi.rs
index 906fa23e9..491082188 100644
--- a/embassy-rp/src/spi.rs
+++ b/embassy-rp/src/spi.rs
@@ -62,11 +62,11 @@ fn calc_prescs(freq: u32) -> (u8, u8) {
 
 impl<'d, T: Instance> Spi<'d, T> {
     pub fn new(
-        inner: impl Unborrow<Target = T>,
-        clk: impl Unborrow<Target = impl ClkPin<T>>,
-        mosi: impl Unborrow<Target = impl MosiPin<T>>,
-        miso: impl Unborrow<Target = impl MisoPin<T>>,
-        cs: impl Unborrow<Target = impl CsPin<T>>,
+        inner: impl Unborrow<Target = T> + 'd,
+        clk: impl Unborrow<Target = impl ClkPin<T>> + 'd,
+        mosi: impl Unborrow<Target = impl MosiPin<T>> + 'd,
+        miso: impl Unborrow<Target = impl MisoPin<T>> + 'd,
+        cs: impl Unborrow<Target = impl CsPin<T>> + 'd,
         config: Config,
     ) -> Self {
         unborrow!(inner, clk, mosi, miso, cs);
diff --git a/embassy-rp/src/uart.rs b/embassy-rp/src/uart.rs
index 3f5c49079..0d85be860 100644
--- a/embassy-rp/src/uart.rs
+++ b/embassy-rp/src/uart.rs
@@ -30,11 +30,11 @@ pub struct Uart<'d, T: Instance> {
 
 impl<'d, T: Instance> Uart<'d, T> {
     pub fn new(
-        inner: impl Unborrow<Target = T>,
-        tx: impl Unborrow<Target = impl TxPin<T>>,
-        rx: impl Unborrow<Target = impl RxPin<T>>,
-        cts: impl Unborrow<Target = impl CtsPin<T>>,
-        rts: impl Unborrow<Target = impl RtsPin<T>>,
+        inner: impl Unborrow<Target = T> + 'd,
+        tx: impl Unborrow<Target = impl TxPin<T>> + 'd,
+        rx: impl Unborrow<Target = impl RxPin<T>> + 'd,
+        cts: impl Unborrow<Target = impl CtsPin<T>> + 'd,
+        rts: impl Unborrow<Target = impl RtsPin<T>> + 'd,
         config: Config,
     ) -> Self {
         unborrow!(inner, tx, rx, cts, rts);
diff --git a/embassy-stm32/src/crc/v1.rs b/embassy-stm32/src/crc/v1.rs
index c33eea316..c657192e2 100644
--- a/embassy-stm32/src/crc/v1.rs
+++ b/embassy-stm32/src/crc/v1.rs
@@ -1,16 +1,19 @@
+use core::marker::PhantomData;
+
 use crate::pac::CRC as PAC_CRC;
 use crate::peripherals::CRC;
 use crate::rcc::sealed::RccPeripheral;
 use embassy::util::Unborrow;
 use embassy_hal_common::unborrow;
 
-pub struct Crc {
+pub struct Crc<'d> {
     _peripheral: CRC,
+    _phantom: PhantomData<&'d mut CRC>,
 }
 
-impl Crc {
+impl<'d> Crc<'d> {
     /// Instantiates the CRC32 peripheral and initializes it to default values.
-    pub fn new(peripheral: impl Unborrow<Target = CRC>) -> Self {
+    pub fn new(peripheral: impl Unborrow<Target = CRC> + 'd) -> Self {
         // Note: enable and reset come from RccPeripheral.
         // enable CRC clock in RCC.
         CRC::enable();
@@ -20,6 +23,7 @@ impl Crc {
         unborrow!(peripheral);
         let mut instance = Self {
             _peripheral: peripheral,
+            _phantom: PhantomData,
         };
         instance.reset();
         instance
diff --git a/embassy-stm32/src/crc/v2v3.rs b/embassy-stm32/src/crc/v2v3.rs
index 1ca529568..77cd3da1a 100644
--- a/embassy-stm32/src/crc/v2v3.rs
+++ b/embassy-stm32/src/crc/v2v3.rs
@@ -1,3 +1,5 @@
+use core::marker::PhantomData;
+
 use crate::pac::crc::vals;
 use crate::pac::CRC as PAC_CRC;
 use crate::peripherals::CRC;
@@ -5,8 +7,9 @@ use crate::rcc::sealed::RccPeripheral;
 use embassy::util::Unborrow;
 use embassy_hal_common::unborrow;
 
-pub struct Crc {
+pub struct Crc<'d> {
     _peripheral: CRC,
+    _phantom: PhantomData<&'d mut CRC>,
     _config: Config,
 }
 
@@ -64,9 +67,9 @@ pub enum PolySize {
     Width32,
 }
 
-impl Crc {
+impl<'d> Crc<'d> {
     /// Instantiates the CRC32 peripheral and initializes it to default values.
-    pub fn new(peripheral: impl Unborrow<Target = CRC>, config: Config) -> Self {
+    pub fn new(peripheral: impl Unborrow<Target = CRC> + 'd, config: Config) -> Self {
         // Note: enable and reset come from RccPeripheral.
         // enable CRC clock in RCC.
         CRC::enable();
@@ -75,6 +78,7 @@ impl Crc {
         unborrow!(peripheral);
         let mut instance = Self {
             _peripheral: peripheral,
+            _phantom: PhantomData,
             _config: config,
         };
         CRC::reset();
diff --git a/embassy-stm32/src/i2c/v1.rs b/embassy-stm32/src/i2c/v1.rs
index aa5268987..922c1c7e8 100644
--- a/embassy-stm32/src/i2c/v1.rs
+++ b/embassy-stm32/src/i2c/v1.rs
@@ -15,8 +15,8 @@ pub struct I2c<'d, T: Instance> {
 impl<'d, T: Instance> I2c<'d, T> {
     pub fn new<F>(
         _peri: impl Unborrow<Target = T> + 'd,
-        scl: impl Unborrow<Target = impl SclPin<T>>,
-        sda: impl Unborrow<Target = impl SdaPin<T>>,
+        scl: impl Unborrow<Target = impl SclPin<T>> + 'd,
+        sda: impl Unborrow<Target = impl SdaPin<T>> + 'd,
         freq: F,
     ) -> Self
     where
diff --git a/embassy-stm32/src/rng.rs b/embassy-stm32/src/rng.rs
index bfacdeefa..032fee011 100644
--- a/embassy-stm32/src/rng.rs
+++ b/embassy-stm32/src/rng.rs
@@ -1,5 +1,6 @@
 #![macro_use]
 
+use core::marker::PhantomData;
 use core::task::Poll;
 use embassy::util::Unborrow;
 use embassy::waitqueue::AtomicWaker;
@@ -18,16 +19,20 @@ pub enum Error {
     ClockError,
 }
 
-pub struct Rng<T: Instance> {
+pub struct Rng<'d, T: Instance> {
     _inner: T,
+    _phantom: PhantomData<&'d mut T>,
 }
 
-impl<T: Instance> Rng<T> {
-    pub fn new(inner: impl Unborrow<Target = T>) -> Self {
+impl<'d, T: Instance> Rng<'d, T> {
+    pub fn new(inner: impl Unborrow<Target = T> + 'd) -> Self {
         T::enable();
         T::reset();
         unborrow!(inner);
-        let mut random = Self { _inner: inner };
+        let mut random = Self {
+            _inner: inner,
+            _phantom: PhantomData,
+        };
         random.reset();
         random
     }
@@ -88,7 +93,7 @@ impl<T: Instance> Rng<T> {
     }
 }
 
-impl<T: Instance> RngCore for Rng<T> {
+impl<'d, T: Instance> RngCore for Rng<'d, T> {
     fn next_u32(&mut self) -> u32 {
         loop {
             let bits = unsafe { T::regs().sr().read() };
@@ -119,7 +124,7 @@ impl<T: Instance> RngCore for Rng<T> {
     }
 }
 
-impl<T: Instance> CryptoRng for Rng<T> {}
+impl<'d, T: Instance> CryptoRng for Rng<'d, T> {}
 
 pub(crate) mod sealed {
     use super::*;
diff --git a/embassy-stm32/src/sdmmc/v2.rs b/embassy-stm32/src/sdmmc/v2.rs
index 74382ce64..784a07f5b 100644
--- a/embassy-stm32/src/sdmmc/v2.rs
+++ b/embassy-stm32/src/sdmmc/v2.rs
@@ -189,7 +189,7 @@ impl<'d, T: Instance, P: Pins<T>> Sdmmc<'d, T, P> {
     pub unsafe fn new(
         _peripheral: impl Unborrow<Target = T> + 'd,
         pins: impl Unborrow<Target = P> + 'd,
-        irq: impl Unborrow<Target = T::Interrupt>,
+        irq: impl Unborrow<Target = T::Interrupt> + 'd,
         config: Config,
     ) -> Self {
         unborrow!(irq, pins);
diff --git a/embassy-stm32/src/spi/mod.rs b/embassy-stm32/src/spi/mod.rs
index 469216236..c0cd56fc3 100644
--- a/embassy-stm32/src/spi/mod.rs
+++ b/embassy-stm32/src/spi/mod.rs
@@ -202,8 +202,8 @@ impl<'d, T: Instance, Tx, Rx> Spi<'d, T, Tx, Rx> {
         sck: Option<AnyPin>,
         mosi: Option<AnyPin>,
         miso: Option<AnyPin>,
-        txdma: impl Unborrow<Target = Tx>,
-        rxdma: impl Unborrow<Target = Rx>,
+        txdma: impl Unborrow<Target = Tx> + 'd,
+        rxdma: impl Unborrow<Target = Rx> + 'd,
         freq: F,
         config: Config,
     ) -> Self
diff --git a/embassy-stm32/src/usart/mod.rs b/embassy-stm32/src/usart/mod.rs
index a391379c8..5f0281f46 100644
--- a/embassy-stm32/src/usart/mod.rs
+++ b/embassy-stm32/src/usart/mod.rs
@@ -81,11 +81,11 @@ pub struct Uart<'d, T: Instance, TxDma = NoDma, RxDma = NoDma> {
 
 impl<'d, T: Instance, TxDma, RxDma> Uart<'d, T, TxDma, RxDma> {
     pub fn new(
-        inner: impl Unborrow<Target = T>,
-        rx: impl Unborrow<Target = impl RxPin<T>>,
-        tx: impl Unborrow<Target = impl TxPin<T>>,
-        tx_dma: impl Unborrow<Target = TxDma>,
-        rx_dma: impl Unborrow<Target = RxDma>,
+        inner: impl Unborrow<Target = T> + 'd,
+        rx: impl Unborrow<Target = impl RxPin<T>> + 'd,
+        tx: impl Unborrow<Target = impl TxPin<T>> + 'd,
+        tx_dma: impl Unborrow<Target = TxDma> + 'd,
+        rx_dma: impl Unborrow<Target = RxDma> + 'd,
         config: Config,
     ) -> Self {
         unborrow!(inner, rx, tx, tx_dma, rx_dma);