11 files changed, 26 insertions, 37 deletions

diff --git a/embassy-boot/boot/Cargo.toml b/embassy-boot/boot/Cargo.toml
index 0b0c77b1e..3312c2f9f 100644
--- a/embassy-boot/boot/Cargo.toml
+++ b/embassy-boot/boot/Cargo.toml
@@ -28,7 +28,7 @@ log = { version = "0.4", optional = true  }
 ed25519-dalek = { version = "1.0.1", default_features = false, features = ["u32_backend"], optional = true }
 embassy-sync = { version = "0.1.0", path = "../../embassy-sync" }
 embedded-storage = "0.3.0"
-embedded-storage-async = "0.3.0"
+embedded-storage-async = "0.4.0"
 salty = { git = "https://github.com/ycrypto/salty.git", rev = "a9f17911a5024698406b75c0fac56ab5ccf6a8c7", optional = true }
 signature = { version = "1.6.4", default-features = false }
 
diff --git a/embassy-boot/boot/src/lib.rs b/embassy-boot/boot/src/lib.rs
index be254e9d7..b5dad5046 100644
--- a/embassy-boot/boot/src/lib.rs
+++ b/embassy-boot/boot/src/lib.rs
@@ -5,7 +5,7 @@
 mod fmt;
 
 use embedded_storage::nor_flash::{ErrorType, NorFlash, NorFlashError, NorFlashErrorKind, ReadNorFlash};
-use embedded_storage_async::nor_flash::AsyncNorFlash;
+use embedded_storage_async::nor_flash::NorFlash as AsyncNorFlash;
 
 const BOOT_MAGIC: u8 = 0xD0;
 const SWAP_MAGIC: u8 = 0xF0;
@@ -1199,7 +1199,7 @@ mod tests {
     use core::future::Future;
 
     use embedded_storage::nor_flash::ErrorType;
-    use embedded_storage_async::nor_flash::AsyncReadNorFlash;
+    use embedded_storage_async::nor_flash::ReadNorFlash as AsyncReadNorFlash;
     use futures::executor::block_on;
 
     use super::*;
diff --git a/embassy-boot/nrf/Cargo.toml b/embassy-boot/nrf/Cargo.toml
index c6af70144..c1a127518 100644
--- a/embassy-boot/nrf/Cargo.toml
+++ b/embassy-boot/nrf/Cargo.toml
@@ -22,7 +22,7 @@ embassy-boot = { path = "../boot", default-features = false }
 cortex-m = { version = "0.7.6" }
 cortex-m-rt = { version = "0.7" }
 embedded-storage = "0.3.0"
-embedded-storage-async = "0.3.0"
+embedded-storage-async = "0.4.0"
 cfg-if = "1.0.0"
 
 nrf-softdevice-mbr = { version = "0.1.0", git = "https://github.com/embassy-rs/nrf-softdevice.git", branch = "master", optional = true }
diff --git a/embassy-boot/rp/Cargo.toml b/embassy-boot/rp/Cargo.toml
index ffc36a4e0..96024cdda 100644
--- a/embassy-boot/rp/Cargo.toml
+++ b/embassy-boot/rp/Cargo.toml
@@ -25,7 +25,7 @@ embassy-time = { path = "../../embassy-time", features = ["nightly"] }
 cortex-m = { version = "0.7.6" }
 cortex-m-rt = { version = "0.7" }
 embedded-storage = "0.3.0"
-embedded-storage-async = "0.3.0"
+embedded-storage-async = "0.4.0"
 cfg-if = "1.0.0"
 
 [features]
diff --git a/embassy-boot/stm32/Cargo.toml b/embassy-boot/stm32/Cargo.toml
index 2fc169b32..7061063bb 100644
--- a/embassy-boot/stm32/Cargo.toml
+++ b/embassy-boot/stm32/Cargo.toml
@@ -24,7 +24,7 @@ embassy-boot = { path = "../boot", default-features = false }
 cortex-m = { version = "0.7.6" }
 cortex-m-rt = { version = "0.7" }
 embedded-storage = "0.3.0"
-embedded-storage-async = "0.3.0"
+embedded-storage-async = "0.4.0"
 cfg-if = "1.0.0"
 
 [features]
diff --git a/embassy-embedded-hal/Cargo.toml b/embassy-embedded-hal/Cargo.toml
index fa74be8c4..45eb0d43d 100644
--- a/embassy-embedded-hal/Cargo.toml
+++ b/embassy-embedded-hal/Cargo.toml
@@ -22,7 +22,7 @@ embedded-hal-02 = { package = "embedded-hal", version = "0.2.6", features = ["un
 embedded-hal-1 = { package = "embedded-hal", version = "=1.0.0-alpha.9" }
 embedded-hal-async = { version = "=0.2.0-alpha.0", optional = true }
 embedded-storage = "0.3.0"
-embedded-storage-async = { version = "0.3.0", optional = true }
+embedded-storage-async = { version = "0.4.0", optional = true }
 nb = "1.0.0"
 
 defmt = { version = "0.3", optional = true }
diff --git a/embassy-embedded-hal/src/adapter.rs b/embassy-embedded-hal/src/adapter.rs
index 3680984f1..a49f8df4b 100644
--- a/embassy-embedded-hal/src/adapter.rs
+++ b/embassy-embedded-hal/src/adapter.rs
@@ -1,7 +1,5 @@
 //! Adapters between embedded-hal traits.
 
-use core::future::Future;
-
 use embedded_hal_02::{blocking, serial};
 
 /// Wrapper that implements async traits using blocking implementations.
@@ -182,7 +180,7 @@ where
 
 /// NOR flash wrapper
 use embedded_storage::nor_flash::{ErrorType, NorFlash, ReadNorFlash};
-use embedded_storage_async::nor_flash::{AsyncNorFlash, AsyncReadNorFlash};
+use embedded_storage_async::nor_flash::{NorFlash as AsyncNorFlash, ReadNorFlash as AsyncReadNorFlash};
 
 impl<T> ErrorType for BlockingAsync<T>
 where
@@ -198,14 +196,12 @@ where
     const WRITE_SIZE: usize = <T as NorFlash>::WRITE_SIZE;
     const ERASE_SIZE: usize = <T as NorFlash>::ERASE_SIZE;
 
-    type WriteFuture<'a> = impl Future<Output = Result<(), Self::Error>> + 'a where Self: 'a;
-    fn write<'a>(&'a mut self, offset: u32, data: &'a [u8]) -> Self::WriteFuture<'a> {
-        async move { self.wrapped.write(offset, data) }
+    async fn write(&mut self, offset: u32, data: &[u8]) -> Result<(), Self::Error> {
+        self.wrapped.write(offset, data)
     }
 
-    type EraseFuture<'a> = impl Future<Output = Result<(), Self::Error>> + 'a where Self: 'a;
-    fn erase<'a>(&'a mut self, from: u32, to: u32) -> Self::EraseFuture<'a> {
-        async move { self.wrapped.erase(from, to) }
+    async fn erase(&mut self, from: u32, to: u32) -> Result<(), Self::Error> {
+        self.wrapped.erase(from, to)
     }
 }
 
@@ -214,9 +210,8 @@ where
     T: ReadNorFlash,
 {
     const READ_SIZE: usize = <T as ReadNorFlash>::READ_SIZE;
-    type ReadFuture<'a> = impl Future<Output = Result<(), Self::Error>> + 'a where Self: 'a;
-    fn read<'a>(&'a mut self, address: u32, data: &'a mut [u8]) -> Self::ReadFuture<'a> {
-        async move { self.wrapped.read(address, data) }
+    async fn read(&mut self, address: u32, data: &mut [u8]) -> Result<(), Self::Error> {
+        self.wrapped.read(address, data)
     }
 
     fn capacity(&self) -> usize {
diff --git a/embassy-nrf/Cargo.toml b/embassy-nrf/Cargo.toml
index c31ce199b..4e62ca89e 100644
--- a/embassy-nrf/Cargo.toml
+++ b/embassy-nrf/Cargo.toml
@@ -100,7 +100,7 @@ critical-section = "1.1"
 rand_core = "0.6.3"
 fixed = "1.10.0"
 embedded-storage = "0.3.0"
-embedded-storage-async = { version = "0.3.0", optional = true }
+embedded-storage-async = { version = "0.4.0", optional = true }
 cfg-if = "1.0.0"
 
 nrf52805-pac  = { version = "0.12.0", optional = true, features = [ "rt" ] }
diff --git a/embassy-nrf/src/qspi.rs b/embassy-nrf/src/qspi.rs
index d434327fc..1b379002b 100644
--- a/embassy-nrf/src/qspi.rs
+++ b/embassy-nrf/src/qspi.rs
@@ -528,34 +528,28 @@ impl<'d, T: Instance, const FLASH_SIZE: usize> NorFlash for Qspi<'d, T, FLASH_SI
 cfg_if::cfg_if! {
     if #[cfg(feature = "nightly")]
     {
-        use embedded_storage_async::nor_flash::{AsyncNorFlash, AsyncReadNorFlash};
-        use core::future::Future;
+        use embedded_storage_async::nor_flash::{NorFlash as AsyncNorFlash, ReadNorFlash as AsyncReadNorFlash};
 
         impl<'d, T: Instance, const FLASH_SIZE: usize> AsyncNorFlash for Qspi<'d, T, FLASH_SIZE> {
             const WRITE_SIZE: usize = <Self as NorFlash>::WRITE_SIZE;
             const ERASE_SIZE: usize = <Self as NorFlash>::ERASE_SIZE;
 
-            type WriteFuture<'a> = impl Future<Output = Result<(), Self::Error>> + 'a where Self: 'a;
-            fn write<'a>(&'a mut self, offset: u32, data: &'a [u8]) -> Self::WriteFuture<'a> {
-                async move { self.write(offset as usize, data).await }
+            async fn write(&mut self, offset: u32, data: &[u8]) -> Result<(), Self::Error> {
+                self.write(offset as usize, data).await
             }
 
-            type EraseFuture<'a> = impl Future<Output = Result<(), Self::Error>> + 'a where Self: 'a;
-            fn erase<'a>(&'a mut self, from: u32, to: u32) -> Self::EraseFuture<'a> {
-                async move {
-                    for address in (from as usize..to as usize).step_by(<Self as AsyncNorFlash>::ERASE_SIZE) {
-                        self.erase(address).await?
-                    }
-                    Ok(())
+            async fn erase(&mut self, from: u32, to: u32) -> Result<(), Self::Error> {
+                for address in (from as usize..to as usize).step_by(<Self as AsyncNorFlash>::ERASE_SIZE) {
+                    self.erase(address).await?
                 }
+                Ok(())
             }
         }
 
         impl<'d, T: Instance, const FLASH_SIZE: usize> AsyncReadNorFlash for Qspi<'d, T, FLASH_SIZE> {
             const READ_SIZE: usize = 4;
-            type ReadFuture<'a> = impl Future<Output = Result<(), Self::Error>> + 'a where Self: 'a;
-            fn read<'a>(&'a mut self, address: u32, data: &'a mut [u8]) -> Self::ReadFuture<'a> {
-                async move { self.read(address as usize, data).await }
+            async fn read(&mut self, address: u32, data: &mut [u8]) -> Result<(), Self::Error> {
+                self.read(address as usize, data).await
             }
 
             fn capacity(&self) -> usize {
diff --git a/examples/boot/bootloader/rp/Cargo.toml b/examples/boot/bootloader/rp/Cargo.toml
index c0b576cff..a16cebe31 100644
--- a/examples/boot/bootloader/rp/Cargo.toml
+++ b/examples/boot/bootloader/rp/Cargo.toml
@@ -16,7 +16,7 @@ embassy-time = { path = "../../../../embassy-time", features = ["nightly"] }
 cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
 cortex-m-rt = { version = "0.7" }
 embedded-storage = "0.3.0"
-embedded-storage-async = "0.3.0"
+embedded-storage-async = "0.4.0"
 cfg-if = "1.0.0"
 
 [features]
diff --git a/examples/boot/bootloader/stm32/Cargo.toml b/examples/boot/bootloader/stm32/Cargo.toml
index be659e02a..b1791620f 100644
--- a/examples/boot/bootloader/stm32/Cargo.toml
+++ b/examples/boot/bootloader/stm32/Cargo.toml
@@ -14,7 +14,7 @@ embassy-boot-stm32 = { path = "../../../../embassy-boot/stm32", default-features
 cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
 cortex-m-rt = { version = "0.7" }
 embedded-storage = "0.3.0"
-embedded-storage-async = "0.3.0"
+embedded-storage-async = "0.4.0"
 cfg-if = "1.0.0"
 
 [features]