diff --git a/vhost-device-spi/src/linux_spi.rs b/vhost-device-spi/src/linux_spi.rs
index 56cbad9..e003f7d 100644
--- a/vhost-device-spi/src/linux_spi.rs
+++ b/vhost-device-spi/src/linux_spi.rs
@@ -39,7 +39,8 @@ pub struct SpiIocTransfer {
 }
 
 /// Linux SPI definitions
-/// IOCTL commands, refer Linux's Documentation/spi/spidev.rst for further details.
+/// IOCTL commands, refer Linux's Documentation/spi/spidev.rst for further
+/// details.
 const _IOC_SIZEBITS: u32 = 14;
 const _IOC_SIZESHIFT: u32 = 16;
 const SPI_IOC_MESSAGE_BASE: u32 = 0x40006b00;
diff --git a/vhost-device-spi/src/main.rs b/vhost-device-spi/src/main.rs
index ebd510f..8548d10 100644
--- a/vhost-device-spi/src/main.rs
+++ b/vhost-device-spi/src/main.rs
@@ -22,12 +22,11 @@ use std::{
 
 use clap::Parser;
 use log::error;
+use spi::{PhysDevice, SpiController, SpiDevice};
 use thiserror::Error as ThisError;
 use vhost_user_backend::VhostUserDaemon;
-use vm_memory::{GuestMemoryAtomic, GuestMemoryMmap};
-
-use spi::{PhysDevice, SpiController, SpiDevice};
 use vhu_spi::VhostUserSpiBackend;
+use vm_memory::{GuestMemoryAtomic, GuestMemoryMmap};
 
 type Result<T> = std::result::Result<T, Error>;
 
@@ -49,7 +48,8 @@ enum Error {
 #[derive(Parser, Debug)]
 #[clap(author, version, about, long_about = None)]
 struct SpiArgs {
-    /// Location of vhost-user Unix domain socket. This is suffixed by 0,1,2..socket_count-1.
+    /// Location of vhost-user Unix domain socket. This is suffixed by
+    /// 0,1,2..socket_count-1.
     #[clap(short, long)]
     socket_path: PathBuf,
 
@@ -176,9 +176,10 @@ fn main() {
 
 #[cfg(test)]
 pub(crate) mod tests {
-    use assert_matches::assert_matches;
     use std::path::Path;
 
+    use assert_matches::assert_matches;
+
     use super::*;
     use crate::spi::tests::DummyDevice;
 
diff --git a/vhost-device-spi/src/spi.rs b/vhost-device-spi/src/spi.rs
index 3fd3095..e661657 100644
--- a/vhost-device-spi/src/spi.rs
+++ b/vhost-device-spi/src/spi.rs
@@ -13,8 +13,10 @@ use std::{
 };
 
 use thiserror::Error as ThisError;
-use vmm_sys_util::errno::Error as IoError;
-use vmm_sys_util::ioctl::{ioctl_with_mut_ptr, ioctl_with_mut_ref, ioctl_with_ref};
+use vmm_sys_util::{
+    errno::Error as IoError,
+    ioctl::{ioctl_with_mut_ptr, ioctl_with_mut_ref, ioctl_with_ref},
+};
 
 use crate::{linux_spi::*, vhu_spi::VirtioSpiConfig, virtio_spi::*};
 
@@ -676,10 +678,12 @@ impl<D: SpiDevice> SpiController<D> {
 
 #[cfg(test)]
 pub(crate) mod tests {
-    use super::*;
     use std::path::PathBuf;
+
     use vmm_sys_util::tempfile::TempFile;
 
+    use super::*;
+
     // Update read-buffer of each write-buffer with index + 1 value.
     pub fn update_rdwr_buf(buf: u64, len: u32) {
         let buf_ptr = buf as *mut u8;
diff --git a/vhost-device-spi/src/vhu_spi.rs b/vhost-device-spi/src/vhu_spi.rs
index ead3d1a..66caa8a 100644
--- a/vhost-device-spi/src/vhu_spi.rs
+++ b/vhost-device-spi/src/vhu_spi.rs
@@ -17,17 +17,18 @@ use log::warn;
 use thiserror::Error as ThisError;
 use vhost::vhost_user::message::{VhostUserProtocolFeatures, VhostUserVirtioFeatures};
 use vhost_user_backend::{VhostUserBackendMut, VringRwLock, VringT};
-use virtio_bindings::bindings::virtio_config::{VIRTIO_F_NOTIFY_ON_EMPTY, VIRTIO_F_VERSION_1};
-use virtio_bindings::bindings::virtio_ring::{
-    VIRTIO_RING_F_EVENT_IDX, VIRTIO_RING_F_INDIRECT_DESC,
+use virtio_bindings::bindings::{
+    virtio_config::{VIRTIO_F_NOTIFY_ON_EMPTY, VIRTIO_F_VERSION_1},
+    virtio_ring::{VIRTIO_RING_F_EVENT_IDX, VIRTIO_RING_F_INDIRECT_DESC},
 };
-use virtio_queue::DescriptorChain;
-use virtio_queue::QueueOwnedT;
+use virtio_queue::{DescriptorChain, QueueOwnedT};
 use vm_memory::{
     ByteValued, GuestAddressSpace, GuestMemoryAtomic, GuestMemoryLoadGuard, GuestMemoryMmap, Le32,
 };
-use vmm_sys_util::epoll::EventSet;
-use vmm_sys_util::eventfd::{EventFd, EFD_NONBLOCK};
+use vmm_sys_util::{
+    epoll::EventSet,
+    eventfd::{EventFd, EFD_NONBLOCK},
+};
 
 use crate::spi::*;
 
@@ -488,8 +489,8 @@ impl<D: 'static + SpiDevice + Sync + Send> VhostUserBackendMut for VhostUserSpiB
 
 #[cfg(test)]
 mod tests {
-    use std::path::PathBuf;
-    use std::slice::from_raw_parts;
+    use std::{path::PathBuf, slice::from_raw_parts};
+
     use virtio_bindings::bindings::virtio_ring::{VRING_DESC_F_NEXT, VRING_DESC_F_WRITE};
     use virtio_queue::{
         desc::{split::Descriptor as SplitDescriptor, RawDescriptor},
@@ -497,8 +498,7 @@ mod tests {
     };
     use vm_memory::{Bytes, GuestAddress, GuestMemoryAtomic, GuestMemoryMmap};
 
-    use super::Error;
-    use super::*;
+    use super::{Error, *};
     use crate::spi::tests::{verify_rdwr_buf, DummyDevice};
 
     // Prepares descriptor chains