1 files changed, 16 insertions, 8 deletions

diff --git a/embassy-stm32/src/flash/f4.rs b/embassy-stm32/src/flash/f4.rs
index 62e0492b5..9c5051492 100644
--- a/embassy-stm32/src/flash/f4.rs
+++ b/embassy-stm32/src/flash/f4.rs
@@ -1,10 +1,10 @@
 use core::ptr::write_volatile;
-use core::sync::atomic::{fence, AtomicBool, Ordering};
+use core::sync::atomic::{AtomicBool, Ordering, fence};
 
 use embassy_sync::waitqueue::AtomicWaker;
 use pac::flash::regs::Sr;
 
-use super::{get_flash_regions, FlashBank, FlashSector, WRITE_SIZE};
+use super::{FlashBank, FlashSector, WRITE_SIZE, get_flash_regions};
 use crate::_generated::FLASH_SIZE;
 use crate::flash::Error;
 use crate::pac;
@@ -246,7 +246,9 @@ pub(crate) fn assert_not_corrupted_read(end_address: u32) {
         feature = "stm32f439zi",
     ))]
     if second_bank_read && pac::DBGMCU.idcode().read().rev_id() < REVISION_3 && !pa12_is_output_pull_low() {
-        panic!("Read corruption for stm32f42xxI and stm32f43xxI when PA12 is in use for chips below revision 3, see errata 2.2.11");
+        panic!(
+            "Read corruption for stm32f42xxI and stm32f43xxI when PA12 is in use for chips below revision 3, see errata 2.2.11"
+        );
     }
 
     #[cfg(any(
@@ -270,14 +272,16 @@ pub(crate) fn assert_not_corrupted_read(end_address: u32) {
         feature = "stm32f439zg",
     ))]
     if second_bank_read && pac::DBGMCU.idcode().read().rev_id() < REVISION_3 && !pa12_is_output_pull_low() {
-        panic!("Read corruption for stm32f42xxG and stm32f43xxG in dual bank mode when PA12 is in use for chips below revision 3, see errata 2.2.11");
+        panic!(
+            "Read corruption for stm32f42xxG and stm32f43xxG in dual bank mode when PA12 is in use for chips below revision 3, see errata 2.2.11"
+        );
     }
 }
 
 #[allow(unused)]
 fn pa12_is_output_pull_low() -> bool {
-    use pac::gpio::vals;
     use pac::GPIOA;
+    use pac::gpio::vals;
     const PIN: usize = 12;
     GPIOA.moder().read().moder(PIN) == vals::Moder::OUTPUT
         && GPIOA.pupdr().read().pupdr(PIN) == vals::Pupdr::PULL_DOWN
@@ -287,7 +291,7 @@ fn pa12_is_output_pull_low() -> bool {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use crate::flash::{get_sector, FlashBank};
+    use crate::flash::{FlashBank, get_sector};
 
     #[test]
     #[cfg(stm32f429)]
@@ -370,9 +374,13 @@ mod tests {
 #[cfg(all(bank_setup_configurable))]
 pub(crate) fn check_bank_setup() {
     if cfg!(feature = "single-bank") && pac::FLASH.optcr().read().db1m() {
-        panic!("Embassy is configured as single-bank, but the hardware is running in dual-bank mode. Change the hardware by changing the db1m value in the user option bytes or configure embassy to use dual-bank config");
+        panic!(
+            "Embassy is configured as single-bank, but the hardware is running in dual-bank mode. Change the hardware by changing the db1m value in the user option bytes or configure embassy to use dual-bank config"
+        );
     }
     if cfg!(feature = "dual-bank") && !pac::FLASH.optcr().read().db1m() {
-        panic!("Embassy is configured as dual-bank, but the hardware is running in single-bank mode. Change the hardware by changing the db1m value in the user option bytes or configure embassy to use single-bank config");
+        panic!(
+            "Embassy is configured as dual-bank, but the hardware is running in single-bank mode. Change the hardware by changing the db1m value in the user option bytes or configure embassy to use single-bank config"
+        );
     }
 }