rm debug, delint

src/eth/mod.rs

@@ -176,16 +176,17 @@ impl<'r> Eth<'r, (), ()> {
         };
         inner.init();
         inner.configure(macaddr);
+
         let phy = Phy::find(&mut inner).expect("phy");
         phy.reset(&mut inner);
         phy.restart_autoneg(&mut inner);
-        let mut eth = Eth {
+
+        Eth {
             rx: (),
             tx: (),
             inner,
             phy,
-        };
+        }
-        eth
     }
 }
 
@@ -341,7 +342,7 @@ impl<'r, 'rx, 'tx: 'a, 'a> smoltcp::phy::Device<'a> for &mut Eth<'r, rx::DescLis
 
     fn receive(&'a mut self) -> Option<(Self::RxToken, Self::TxToken)> {
         match self.rx.recv_next() {
-            Ok(Some(mut pktref)) => {
+            Ok(Some(pktref)) => {
                 let tx_token = tx::Token {
                     regs: self.inner.regs,
                     desc_list: &mut self.tx,
@@ -441,7 +442,7 @@ impl<'r> EthInner<'r> {
 
     fn configure(&mut self, macaddr: [u8; 6]) {
         let clocks = CpuClocks::get();
-        let mut mdc_clk_div = (clocks.cpu_1x() / MAX_MDC) + 1;
+        let mdc_clk_div = (clocks.cpu_1x() / MAX_MDC) + 1;
 
         self.regs.net_cfg.write(
             regs::NetCfg::zeroed()

src/eth/rx.rs

@@ -124,7 +124,7 @@ impl<'a> Deref for PktRef<'a> {
 }
 
 impl<'a> smoltcp::phy::RxToken for PktRef<'a> {
-    fn consume<R, F>(mut self, _timestamp: smoltcp::time::Instant, f: F) -> smoltcp::Result<R>
+    fn consume<R, F>(self, _timestamp: smoltcp::time::Instant, f: F) -> smoltcp::Result<R>
     where
         F: FnOnce(&[u8]) -> smoltcp::Result<R>
     {

src/eth/tx.rs

@@ -1,6 +1,5 @@
 use core::ops::{Deref, DerefMut};
 use crate::{register, register_bit, register_bits, regs::*};
-use crate::println;
 use super::{MTU, regs};
 
 /// Descriptor entry
@@ -101,7 +100,6 @@ impl<'a> Drop for PktRef<'a> {
     fn drop(&mut self) {
         self.entry.word1.modify(|_, w| w.used(false));
         if ! self.regs.tx_status.read().tx_go() {
-            println!("tx start_tx");
             self.regs.net_ctrl.modify(|_, w|
                                       w.start_tx(true)
             );

src/main.rs

@@ -88,7 +88,7 @@ fn main() {
              clocks.cpu_2x() / 1_000_000,
              clocks.cpu_1x() / 1_000_000);
 
-    let mut eth = eth::Eth::default(HWADDR.clone());
+    let eth = eth::Eth::default(HWADDR.clone());
     println!("Eth on");
 
     const RX_LEN: usize = 2;