remove redundant imports

Newer compiler versions warn about these.

arch/cortex-m/src/mpu.rs

@@ -10,7 +10,6 @@ use core::cmp;
 use core::fmt;
 use core::num::NonZeroUsize;
 
-use kernel;
 use kernel::platform::mpu;
 use kernel::utilities::cells::OptionalCell;
 use kernel::utilities::math;

arch/cortex-m/src/support.rs

@@ -3,7 +3,6 @@
 // Copyright Tock Contributors 2022.
 
 use crate::scb;
-use core::ops::FnOnce;
 
 #[cfg(all(target_arch = "arm", target_os = "none"))]
 #[inline(always)]

arch/rv32i/src/support.rs

@@ -5,7 +5,6 @@
 //! Core low-level operations.
 
 use crate::csr::{mstatus::mstatus, CSR};
-use core::ops::FnOnce;
 
 #[cfg(all(target_arch = "riscv32", target_os = "none"))]
 #[inline(always)]

arch/rv32i/src/syscall.rs

@@ -4,13 +4,11 @@
 
 //! Kernel-userland system call interface for RISC-V architecture.
 
-use core::convert::TryInto;
 use core::fmt::Write;
 use core::mem::size_of;
 use core::ops::Range;
 
 use crate::csr::mcause;
-use kernel;
 use kernel::errorcode::ErrorCode;
 use kernel::syscall::ContextSwitchReason;
 

boards/apollo3/lora_things_plus/src/io.rs

@@ -8,7 +8,6 @@ use core::panic::PanicInfo;
 use crate::CHIP;
 use crate::PROCESSES;
 use crate::PROCESS_PRINTER;
-use apollo3;
 use kernel::debug;
 use kernel::debug::IoWrite;
 use kernel::hil::led;

boards/apollo3/redboard_artemis_atp/src/io.rs

@@ -8,7 +8,6 @@ use core::panic::PanicInfo;
 use crate::CHIP;
 use crate::PROCESSES;
 use crate::PROCESS_PRINTER;
-use apollo3;
 use kernel::debug;
 use kernel::debug::IoWrite;
 use kernel::hil::led;

boards/apollo3/redboard_artemis_nano/src/io.rs

@@ -8,7 +8,6 @@ use core::panic::PanicInfo;
 use crate::CHIP;
 use crate::PROCESSES;
 use crate::PROCESS_PRINTER;
-use apollo3;
 use kernel::debug;
 use kernel::debug::IoWrite;
 use kernel::hil::led;

boards/arty_e21/src/io.rs

@@ -2,16 +2,13 @@
 // SPDX-License-Identifier: Apache-2.0 OR MIT
 // Copyright Tock Contributors 2022.
 
-use arty_e21_chip;
 use core::fmt::Write;
 use core::panic::PanicInfo;
 use core::str;
 use kernel::debug;
 use kernel::debug::IoWrite;
 use kernel::hil::gpio;
 use kernel::hil::led;
-use rv32i;
-use sifive;
 
 use crate::CHIP;
 use crate::PROCESSES;

boards/clue_nrf52840/src/io.rs

@@ -6,7 +6,6 @@ use core::fmt::Write;
 use core::panic::PanicInfo;
 use kernel::ErrorCode;
 
-use cortexm4;
 use kernel::debug;
 use kernel::debug::IoWrite;
 use kernel::hil::led;

boards/components/src/analog_comparator.rs

@@ -25,7 +25,6 @@
 
 use capsules_extra::analog_comparator::AnalogComparator;
 use core::mem::MaybeUninit;
-use kernel;
 use kernel::capabilities;
 use kernel::component::Component;
 use kernel::create_capability;

boards/components/src/ble.rs

@@ -10,7 +10,6 @@
 //! let ble_radio = BLEComponent::new(board_kernel, &nrf52::ble_radio::RADIO, mux_alarm).finalize();
 //! ```
 
-use capsules_core;
 use capsules_core::virtualizers::virtual_alarm::VirtualMuxAlarm;
 use core::mem::MaybeUninit;
 use kernel::capabilities;

boards/components/src/thread_network.rs

@@ -26,7 +26,6 @@
 //!         ));
 //! ```
 
-use capsules_core;
 use capsules_core::virtualizers::virtual_aes_ccm::MuxAES128CCM;
 use capsules_core::virtualizers::virtual_alarm::VirtualMuxAlarm;
 use capsules_extra::net::ipv6::ipv6_send::IP6SendStruct;
@@ -42,7 +41,6 @@ use capsules_extra::net::udp::udp_recv::MuxUdpReceiver;
 use capsules_extra::net::udp::udp_recv::UDPReceiver;
 use capsules_extra::net::udp::udp_send::{MuxUdpSender, UDPSendStruct, UDPSender};
 use core::mem::MaybeUninit;
-use kernel;
 use kernel::capabilities;
 use kernel::capabilities::NetworkCapabilityCreationCapability;
 use kernel::component::Component;

boards/components/src/udp_driver.rs

@@ -21,7 +21,6 @@
 //!     .finalize(components::udp_driver_component_static!());
 //! ```
 
-use capsules_core;
 use capsules_core::virtualizers::virtual_alarm::VirtualMuxAlarm;
 use capsules_extra::net::ipv6::ip_utils::IPAddr;
 use capsules_extra::net::ipv6::ipv6_send::IP6SendStruct;
@@ -33,7 +32,6 @@ use capsules_extra::net::udp::udp_recv::MuxUdpReceiver;
 use capsules_extra::net::udp::udp_recv::UDPReceiver;
 use capsules_extra::net::udp::udp_send::{MuxUdpSender, UDPSendStruct, UDPSender};
 use core::mem::MaybeUninit;
-use kernel;
 use kernel::capabilities;
 use kernel::capabilities::NetworkCapabilityCreationCapability;
 use kernel::component::Component;

boards/components/src/udp_mux.rs

@@ -27,7 +27,6 @@
 // Author: Hudson Ayers <[email protected]>
 // Last Modified: 5/21/2019
 
-use capsules_core;
 use capsules_core::virtualizers::virtual_alarm::{MuxAlarm, VirtualMuxAlarm};
 use capsules_extra::ieee802154::device::MacDevice;
 use capsules_extra::net::ieee802154::MacAddress;
@@ -46,7 +45,6 @@ use capsules_extra::net::udp::udp_recv::MuxUdpReceiver;
 use capsules_extra::net::udp::udp_send::MuxUdpSender;
 use capsules_extra::net::udp::UDPHeader;
 use core::mem::MaybeUninit;
-use kernel;
 use kernel::capabilities;
 use kernel::component::Component;
 use kernel::create_capability;

boards/hail/src/io.rs

@@ -5,7 +5,6 @@
 use core::fmt::Write;
 use core::panic::PanicInfo;
 use core::str;
-use cortexm4;
 use kernel::debug;
 use kernel::debug::IoWrite;
 use kernel::hil::led;

boards/hifive1/src/io.rs

@@ -5,12 +5,10 @@
 use core::fmt::Write;
 use core::panic::PanicInfo;
 use core::str;
-use e310_g002;
 use kernel::debug;
 use kernel::debug::IoWrite;
 use kernel::hil::gpio;
 use kernel::hil::led;
-use rv32i;
 
 use crate::CHIP;
 use crate::PROCESSES;

boards/hifive_inventor/src/io.rs

@@ -5,11 +5,9 @@
 use core::fmt::Write;
 use core::panic::PanicInfo;
 use core::str;
-use e310_g003;
 use kernel::debug;
 use kernel::debug::IoWrite;
 use kernel::hil::led;
-use rv32i;
 
 use crate::CHIP;
 use crate::PROCESSES;

boards/imix/src/io.rs

@@ -4,12 +4,10 @@
 
 use core::fmt::Write;
 use core::panic::PanicInfo;
-use cortexm4;
 use kernel::debug;
 use kernel::debug::IoWrite;
 use kernel::hil::led;
 use kernel::hil::uart::{self, Configure};
-use sam4l;
 
 use crate::CHIP;
 use crate::PROCESSES;

boards/microbit_v2/src/io.rs

@@ -5,7 +5,6 @@
 use core::fmt::Write;
 use core::panic::PanicInfo;
 
-use cortexm4;
 use kernel::debug;
 use kernel::debug::IoWrite;
 use kernel::hil::led;

boards/nano33ble/src/io.rs

@@ -5,7 +5,6 @@
 use core::fmt::Write;
 use core::panic::PanicInfo;
 
-use cortexm4;
 use kernel::debug;
 use kernel::debug::IoWrite;
 use kernel::hil::led;

boards/nordic/nrf52840_dongle/src/io.rs

@@ -4,7 +4,6 @@
 
 use core::fmt::Write;
 use core::panic::PanicInfo;
-use cortexm4;
 use kernel::debug;
 use kernel::debug::IoWrite;
 use kernel::hil::led;

boards/nordic/nrf52840_dongle/src/main.rs

@@ -26,7 +26,7 @@ use kernel::scheduler::round_robin::RoundRobinSched;
 use kernel::{capabilities, create_capability, debug, debug_gpio, debug_verbose, static_init};
 use nrf52840::gpio::Pin;
 use nrf52840::interrupt_service::Nrf52840DefaultPeripherals;
-use nrf52_components::{self, UartChannel, UartPins};
+use nrf52_components::{UartChannel, UartPins};
 
 // The nRF52840 Dongle LEDs
 const LED1_PIN: Pin = Pin::P0_06;

boards/nordic/nrf52840dk/src/io.rs

@@ -4,7 +4,6 @@
 
 use core::fmt::Write;
 use core::panic::PanicInfo;
-use cortexm4;
 use kernel::debug;
 use kernel::debug::IoWrite;
 use kernel::hil::led;

boards/nordic/nrf52840dk/src/main.rs

@@ -87,7 +87,7 @@ use kernel::scheduler::round_robin::RoundRobinSched;
 use kernel::{capabilities, create_capability, debug, debug_gpio, debug_verbose, static_init};
 use nrf52840::gpio::Pin;
 use nrf52840::interrupt_service::Nrf52840DefaultPeripherals;
-use nrf52_components::{self, UartChannel, UartPins};
+use nrf52_components::{UartChannel, UartPins};
 
 #[allow(dead_code)]
 mod test;

boards/nordic/nrf52_components/src/startup.rs

@@ -9,7 +9,6 @@
 
 use capsules_core::virtualizers::virtual_alarm::{MuxAlarm, VirtualMuxAlarm};
 use capsules_extra::segger_rtt::SeggerRtt;
-use components;
 use core::mem::MaybeUninit;
 use kernel::component::Component;
 use nrf52::gpio::Pin;

boards/nordic/nrf52dk/src/io.rs

@@ -4,7 +4,6 @@
 
 use core::fmt::Write;
 use core::panic::PanicInfo;
-use cortexm4;
 use kernel::debug;
 use kernel::debug::IoWrite;
 use kernel::hil::led;

boards/nordic/nrf52dk/src/main.rs

@@ -82,7 +82,7 @@ use kernel::{capabilities, create_capability, debug, debug_gpio, debug_verbose,
 use nrf52832::gpio::Pin;
 use nrf52832::interrupt_service::Nrf52832DefaultPeripherals;
 use nrf52832::rtc::Rtc;
-use nrf52_components::{self, UartChannel, UartPins};
+use nrf52_components::{UartChannel, UartPins};
 
 // The nRF52 DK LEDs (see back of board)
 const LED1_PIN: Pin = Pin::P0_17;

boards/nucleo_f429zi/src/io.rs

@@ -5,15 +5,12 @@
 use core::fmt::Write;
 use core::panic::PanicInfo;
 
-use cortexm4;
-
 use kernel::debug;
 use kernel::debug::IoWrite;
 use kernel::hil::led;
 use kernel::hil::uart;
 use kernel::hil::uart::Configure;
 
-use stm32f429zi;
 use stm32f429zi::gpio::PinId;
 
 use crate::CHIP;

boards/nucleo_f446re/src/io.rs

@@ -5,15 +5,12 @@
 use core::fmt::Write;
 use core::panic::PanicInfo;
 
-use cortexm4;
-
 use kernel::debug;
 use kernel::debug::IoWrite;
 use kernel::hil::led;
 use kernel::hil::uart;
 use kernel::hil::uart::Configure;
 
-use stm32f446re;
 use stm32f446re::gpio::PinId;
 
 use crate::CHIP;

boards/particle_boron/src/io.rs

@@ -4,7 +4,6 @@
 
 use core::fmt::Write;
 use core::panic::PanicInfo;
-use cortexm4;
 use kernel::debug;
 use kernel::debug::IoWrite;
 use kernel::hil::led;

boards/redboard_redv/src/io.rs

@@ -5,12 +5,10 @@
 use core::fmt::Write;
 use core::panic::PanicInfo;
 use core::str;
-use e310_g002;
 use kernel::debug;
 use kernel::debug::IoWrite;
 use kernel::hil::gpio;
 use kernel::hil::led;
-use rv32i;
 
 use crate::CHIP;
 use crate::PROCESSES;

boards/sma_q3/src/io.rs

@@ -4,7 +4,6 @@
 
 use core::fmt::Write;
 use core::panic::PanicInfo;
-use cortexm4;
 use kernel::debug;
 use kernel::debug::IoWrite;
 use kernel::hil::led;

boards/stm32f3discovery/src/io.rs

@@ -11,7 +11,6 @@ use kernel::hil::led;
 use kernel::hil::uart;
 use kernel::hil::uart::Configure;
 
-use stm32f303xc;
 use stm32f303xc::gpio::PinId;
 
 use crate::CHIP;

boards/stm32f412gdiscovery/src/io.rs

@@ -5,15 +5,12 @@
 use core::fmt::Write;
 use core::panic::PanicInfo;
 
-use cortexm4;
-
 use kernel::debug;
 use kernel::debug::IoWrite;
 use kernel::hil::led;
 use kernel::hil::uart;
 use kernel::hil::uart::Configure;
 
-use stm32f412g;
 use stm32f412g::gpio::PinId;
 
 use crate::CHIP;

boards/stm32f429idiscovery/src/io.rs

@@ -5,15 +5,12 @@
 use core::fmt::Write;
 use core::panic::PanicInfo;
 
-use cortexm4;
-
 use kernel::debug;
 use kernel::debug::IoWrite;
 use kernel::hil::led;
 use kernel::hil::uart;
 use kernel::hil::uart::Configure;
 
-use stm32f429zi;
 use stm32f429zi::gpio::PinId;
 
 use crate::CHIP;

boards/weact_f401ccu6/src/io.rs

@@ -5,15 +5,12 @@
 use core::fmt::Write;
 use core::panic::PanicInfo;
 
-use cortexm4;
-
 use kernel::debug;
 use kernel::debug::IoWrite;
 use kernel::hil::led;
 use kernel::hil::uart;
 use kernel::hil::uart::Configure;
 
-use stm32f401cc;
 use stm32f401cc::gpio::PinId;
 
 use crate::CHIP;

boards/wm1110dev/src/io.rs

@@ -5,7 +5,6 @@
 use core::fmt::Write;
 use core::panic::PanicInfo;
 
-use cortexm4;
 use kernel::debug;
 use kernel::debug::IoWrite;
 use kernel::hil::led;