rebased from master

Author: theonlytruealex

chips/stm32u545/src/entropy.rs

@@ -1,3 +1,7 @@
+// Licensed under the Apache License, Version 2.0 or the MIT License.
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+// Copyright OxidOS Automotive 2026.
+
 // specified in the documentation (NIST compliant RNG configuration table in AN4230 available from www.st.com.)
 // that values for the CR, HTCR and NSCR should be 0x00F11F00, 0x76B3 and 0x24C2 respectivly. CR config
 // is that value, 0x00F11F00, plus the CONDRST bit

chips/stm32u5xx/src/chip.rs

@@ -38,7 +38,6 @@ pub struct Stm32u5xxDefaultPeripherals<'a> {
     pub gpio_a: gpio::Port<'a>,
     pub gpio_c: gpio::Port<'a>,
     pub dac: dac::Dac,
-    pub trng: &'a entropy::Trng<'a>,
 }
 
 fn enable_tim2_clock() {
@@ -62,7 +61,6 @@ impl<'a> Stm32u5xxDefaultPeripherals<'a> {
             gpio_a: gpio::Port::new(gpio::GPIO_A_BASE, exti, gpio::GpioPort::PortA),
             gpio_c: gpio::Port::new(gpio::GPIO_C_BASE, exti, gpio::GpioPort::PortC),
             dac: dac::Dac::new(dac::DAC_BASE, enable_dac1_clock),
-            trng,
         }
     }
 

chips/stm32u5xx/src/entropy.rs

@@ -6,10 +6,10 @@ use core::cell::Cell;
 
 use kernel::deferred_call::{DeferredCall, DeferredCallClient};
 use kernel::hil::entropy::{Client32, Continue, Entropy32};
+use kernel::utilities::StaticRef;
 use kernel::utilities::cells::OptionalCell;
 use kernel::utilities::registers::interfaces::{ReadWriteable, Readable, Writeable};
-use kernel::utilities::registers::{register_bitfields, register_structs, ReadOnly, ReadWrite};
-use kernel::utilities::StaticRef;
+use kernel::utilities::registers::{ReadOnly, ReadWrite, register_bitfields, register_structs};
 
 register_structs! {
     /// Random number generator