Reduce use of the full `futures` crate.

6 files changed, 8 insertions, 8 deletions

diff --git a/embassy-stm32/Cargo.toml b/embassy-stm32/Cargo.toml
index da8978599..669e6537a 100644
--- a/embassy-stm32/Cargo.toml
+++ b/embassy-stm32/Cargo.toml
@@ -67,7 +67,7 @@ defmt = { version = "0.3", optional = true }
 log = { version = "0.4.14", optional = true }
 cortex-m-rt = ">=0.6.15,<0.8"
 cortex-m = "0.7.6"
-futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
+futures-util = { version = "0.3.30", default-features = false }
 rand_core = "0.6.3"
 sdio-host = "0.5.0"
 critical-section = "1.1"
diff --git a/embassy-stm32/src/eth/generic_smi.rs b/embassy-stm32/src/eth/generic_smi.rs
index 9c26e90f1..3b43051f4 100644
--- a/embassy-stm32/src/eth/generic_smi.rs
+++ b/embassy-stm32/src/eth/generic_smi.rs
@@ -1,10 +1,11 @@
 //! Generic SMI Ethernet PHY
 
+use core::task::Context;
+
 #[cfg(feature = "time")]
 use embassy_time::{Duration, Timer};
-use futures::task::Context;
 #[cfg(feature = "time")]
-use futures::FutureExt;
+use futures_util::FutureExt;
 
 use super::{StationManagement, PHY};
 
diff --git a/embassy-stm32/src/flash/f4.rs b/embassy-stm32/src/flash/f4.rs
index 90f13ff29..2634fba37 100644
--- a/embassy-stm32/src/flash/f4.rs
+++ b/embassy-stm32/src/flash/f4.rs
@@ -338,10 +338,9 @@ pub(crate) fn clear_all_err() {
 }
 
 pub(crate) async fn wait_ready() -> Result<(), Error> {
+    use core::future::poll_fn;
     use core::task::Poll;
 
-    use futures::future::poll_fn;
-
     poll_fn(|cx| {
         WAKER.register(cx.waker());
 
diff --git a/embassy-stm32/src/i2c/mod.rs b/embassy-stm32/src/i2c/mod.rs
index ccbea9831..6931beac7 100644
--- a/embassy-stm32/src/i2c/mod.rs
+++ b/embassy-stm32/src/i2c/mod.rs
@@ -191,7 +191,7 @@ impl Timeout {
     fn with<R>(self, fut: impl Future<Output = Result<R, Error>>) -> impl Future<Output = Result<R, Error>> {
         #[cfg(feature = "time")]
         {
-            use futures::FutureExt;
+            use futures_util::FutureExt;
 
             embassy_futures::select::select(embassy_time::Timer::at(self.deadline), fut).map(|r| match r {
                 embassy_futures::select::Either::First(_) => Err(Error::Timeout),
diff --git a/embassy-stm32/src/usart/mod.rs b/embassy-stm32/src/usart/mod.rs
index 169db1b5b..c00317983 100644
--- a/embassy-stm32/src/usart/mod.rs
+++ b/embassy-stm32/src/usart/mod.rs
@@ -11,7 +11,7 @@ use embassy_embedded_hal::SetConfig;
 use embassy_hal_internal::drop::OnDrop;
 use embassy_hal_internal::PeripheralRef;
 use embassy_sync::waitqueue::AtomicWaker;
-use futures::future::{select, Either};
+use futures_util::future::{select, Either};
 
 use crate::dma::ChannelAndRequest;
 use crate::gpio::{AFType, AnyPin, SealedPin};
diff --git a/embassy-stm32/src/usart/ringbuffered.rs b/embassy-stm32/src/usart/ringbuffered.rs
index 8eb18fe5b..7ab6cbda7 100644
--- a/embassy-stm32/src/usart/ringbuffered.rs
+++ b/embassy-stm32/src/usart/ringbuffered.rs
@@ -5,7 +5,7 @@ use core::sync::atomic::{compiler_fence, Ordering};
 use core::task::Poll;
 
 use embassy_embedded_hal::SetConfig;
-use futures::future::{select, Either};
+use futures_util::future::{select, Either};
 
 use super::{clear_interrupt_flags, rdr, reconfigure, sr, BasicInstance, Config, ConfigError, Error, UartRx};
 use crate::dma::ReadableRingBuffer;