fix format issue
diff --git a/target/ast10x0/peripherals/spimonitor/controller.rs b/target/ast10x0/peripherals/spimonitor/controller.rs
index 777eee0..39b1a1e 100644
--- a/target/ast10x0/peripherals/spimonitor/controller.rs
+++ b/target/ast10x0/peripherals/spimonitor/controller.rs
@@ -142,14 +142,16 @@
     ///
     /// Mirrors Zephyr's `spim_monitor_enable(dev, true)`.
     pub fn enable(&self) {
-        self.regs.modify_ctrl(|bits| *bits |= CTRL_MONITOR_ENABLE_BIT);
+        self.regs
+            .modify_ctrl(|bits| *bits |= CTRL_MONITOR_ENABLE_BIT);
     }
 
     /// Disable the monitor filter (SPIPF000 bit 0).
     ///
     /// Mirrors Zephyr's `spim_monitor_enable(dev, false)`.
     pub fn disable(&self) {
-        self.regs.modify_ctrl(|bits| *bits &= !CTRL_MONITOR_ENABLE_BIT);
+        self.regs
+            .modify_ctrl(|bits| *bits &= !CTRL_MONITOR_ENABLE_BIT);
     }
 
     /// Configure passthrough mode (SPIPF000 passthrough bit).
@@ -172,19 +174,19 @@
     /// for each SPIPF instance, following the aspeed-rust pattern.
     pub fn set_ext_mux(&self, sel: ExtMuxSel) {
         use crate::scu::types::{ScuExtMuxSelect, SpiMonitorInstance};
-        
+
         let mux_sel = match sel {
             ExtMuxSel::Sel0 => ScuExtMuxSelect::Mux0,
             ExtMuxSel::Sel1 => ScuExtMuxSelect::Mux1,
         };
-        
+
         let instance = match self.controller {
             SpiMonitorController::Spim0 => SpiMonitorInstance::Spim0,
             SpiMonitorController::Spim1 => SpiMonitorInstance::Spim1,
             SpiMonitorController::Spim2 => SpiMonitorInstance::Spim2,
             SpiMonitorController::Spim3 => SpiMonitorInstance::Spim3,
         };
-        
+
         self.scu.set_spim_ext_mux(instance, mux_sel);
     }
 
@@ -328,19 +330,19 @@
 /// Confirmed from aspeed-rust implementation (src/spimonitor/hardware.rs).
 /// Register field names from ast1060_pac provide safe typed accessors.
 const CTRL_MONITOR_ENABLE_BIT: u32 = 1 << 0; // enbl_filter_fn() in SPIPF000[0]
-const CTRL_PASSTHROUGH_BIT: u32 = 1 << 1;   // enbl_single_bit_passthrough() in SPIPF000[1]
+const CTRL_PASSTHROUGH_BIT: u32 = 1 << 1; // enbl_single_bit_passthrough() in SPIPF000[1]
 #[allow(dead_code)]
-const CTRL_SW_RESET_BIT: u32 = 1 << 0;       // sweng_rst() in SPIPF000[?] - uses PAC field
+const CTRL_SW_RESET_BIT: u32 = 1 << 0; // sweng_rst() in SPIPF000[?] - uses PAC field
 #[allow(dead_code)]
-const CTRL_EXT_MUX_SEL_BIT: u32 = 1 << 2;    // PLACEHOLDER - NOT in SPIPF000! See note below.
+const CTRL_EXT_MUX_SEL_BIT: u32 = 1 << 2; // PLACEHOLDER - NOT in SPIPF000! See note below.
 #[allow(dead_code)]
-const CTRL_LOCK_BIT: u32 = 1 << 31;          // PLACEHOLDER - NOT in SPIPF000! See note below.
-//
-// NOTE: CTRL_EXT_MUX_SEL and CTRL_LOCK are NOT in SPIPF000 register:
-// - ExtMux is controlled via SCU0F0 register (ext_mux_select_sig_of_spipfN bits)
-//   See aspeed-rust: spim_ext_mux_config()
-// - Lock is controlled via SPIPF07C write-disable bits and individual command
-//   table entry lock bits. See aspeed-rust: spim_lock_common(), spim_lock_rw_priv_table()
+const CTRL_LOCK_BIT: u32 = 1 << 31; // PLACEHOLDER - NOT in SPIPF000! See note below.
+                                    //
+                                    // NOTE: CTRL_EXT_MUX_SEL and CTRL_LOCK are NOT in SPIPF000 register:
+                                    // - ExtMux is controlled via SCU0F0 register (ext_mux_select_sig_of_spipfN bits)
+                                    //   See aspeed-rust: spim_ext_mux_config()
+                                    // - Lock is controlled via SPIPF07C write-disable bits and individual command
+                                    //   table entry lock bits. See aspeed-rust: spim_lock_common(), spim_lock_rw_priv_table()
 
 /// Shared drain-log implementation used by both `Configured` and `Locked`.
 fn drain_log_impl<'a>(
@@ -357,9 +359,7 @@
     for i in 0..count {
         // SAFETY: log_base is a hardware RAM address validated by the PAC
         // base-address mapping. Offset stays within [0, max_entries) words.
-        let word = unsafe {
-            core::ptr::read_volatile((log_base as *const u32).add(i))
-        };
+        let word = unsafe { core::ptr::read_volatile((log_base as *const u32).add(i)) };
         buf[i] = ViolationLogEntry::parse(word);
     }
 
diff --git a/target/ast10x0/peripherals/spimonitor/mod.rs b/target/ast10x0/peripherals/spimonitor/mod.rs
index 049a4a8..8f649e1 100644
--- a/target/ast10x0/peripherals/spimonitor/mod.rs
+++ b/target/ast10x0/peripherals/spimonitor/mod.rs
@@ -3,25 +3,25 @@
 
 //! AST10x0 SPI monitor (SPIPF) module.
 
-pub mod registers;
-pub mod types;
+pub mod controller;
 pub mod policy;
 pub mod profile;
-pub mod controller;
+pub mod registers;
 pub mod traits;
+pub mod types;
 
+pub use controller::{
+    Configured, ConfiguredSpiMonitor, Locked, LockedSpiMonitor, SpiMonitor, UninitSpiMonitor,
+    Uninitialized,
+};
+pub use policy::{MonitorPolicy, MAX_CMD_SLOTS, MAX_REGION_SLOTS};
 pub use registers::{
     SpiMonitorController, SpiMonitorRegisters, SPIPF1_BASE, SPIPF2_BASE, SPIPF3_BASE, SPIPF4_BASE,
     SPIPF_REG_SIZE,
 };
+pub use traits::Monitor;
 pub use types::{
     BootConfig, BootError, BootPhase, BootResult, ExtMuxSel, LockState, MonitorInstance,
     MonitorState, MonitorStatus, MuxSelect, PassthroughMode, PrivilegeDirection, PrivilegeOp,
     RegionPolicy, Result as SpiMonitorResult, SpiMonitorError, ViolationLogEntry,
 };
-pub use policy::{MonitorPolicy, MAX_CMD_SLOTS, MAX_REGION_SLOTS};
-pub use controller::{
-    Configured, ConfiguredSpiMonitor, Locked, LockedSpiMonitor, SpiMonitor, Uninitialized,
-    UninitSpiMonitor,
-};
-pub use traits::Monitor;
diff --git a/target/ast10x0/peripherals/spimonitor/policy.rs b/target/ast10x0/peripherals/spimonitor/policy.rs
index f6e5117..fee1082 100644
--- a/target/ast10x0/peripherals/spimonitor/policy.rs
+++ b/target/ast10x0/peripherals/spimonitor/policy.rs
@@ -42,7 +42,12 @@
         if self.region_count >= MAX_REGION_SLOTS {
             return false;
         }
-        self.regions[self.region_count] = Some(RegionPolicy { start, length, direction, op });
+        self.regions[self.region_count] = Some(RegionPolicy {
+            start,
+            length,
+            direction,
+            op,
+        });
         self.region_count += 1;
         true
     }
diff --git a/target/ast10x0/peripherals/spimonitor/traits.rs b/target/ast10x0/peripherals/spimonitor/traits.rs
index ca95e57..af455d6 100644
--- a/target/ast10x0/peripherals/spimonitor/traits.rs
+++ b/target/ast10x0/peripherals/spimonitor/traits.rs
@@ -7,8 +7,8 @@
 //! with SPI monitor hardware during platform initialization.
 
 use super::types::{
-    BootError, BootResult, MuxSelect, MonitorInstance, MonitorStatus,
-    PrivilegeDirection, PrivilegeOp,
+    BootError, BootResult, MonitorInstance, MonitorStatus, MuxSelect, PrivilegeDirection,
+    PrivilegeOp,
 };
 
 /// Abstract hardware interface for SPI monitor boot operations.
@@ -89,14 +89,8 @@
 
     #[test]
     fn test_mux_select_conversion() {
-        assert_eq!(
-            ExtMuxSel::from(MuxSelect::RotControl),
-            ExtMuxSel::Sel0
-        );
-        assert_eq!(
-            ExtMuxSel::from(MuxSelect::HostControl),
-            ExtMuxSel::Sel1
-        );
+        assert_eq!(ExtMuxSel::from(MuxSelect::RotControl), ExtMuxSel::Sel0);
+        assert_eq!(ExtMuxSel::from(MuxSelect::HostControl), ExtMuxSel::Sel1);
     }
 
     #[test]
diff --git a/target/ast10x0/peripherals/spimonitor/types.rs b/target/ast10x0/peripherals/spimonitor/types.rs
index 43150c0..4be2d82 100644
--- a/target/ast10x0/peripherals/spimonitor/types.rs
+++ b/target/ast10x0/peripherals/spimonitor/types.rs
@@ -72,13 +72,23 @@
     /// Construct a region that grants access in the given direction.
     #[must_use]
     pub const fn allow(start: u32, length: u32, direction: PrivilegeDirection) -> Self {
-        Self { start, length, direction, op: PrivilegeOp::Enable }
+        Self {
+            start,
+            length,
+            direction,
+            op: PrivilegeOp::Enable,
+        }
     }
 
     /// Construct a region that denies access in the given direction.
     #[must_use]
     pub const fn deny(start: u32, length: u32, direction: PrivilegeDirection) -> Self {
-        Self { start, length, direction, op: PrivilegeOp::Disable }
+        Self {
+            start,
+            length,
+            direction,
+            op: PrivilegeOp::Disable,
+        }
     }
 }