From 48b00ed3b83db5205b848f152f6e3139f5dea4b9 Mon Sep 17 00:00:00 2001
From: Ian McIntyre <me@mciantyre.dev>
Date: Thu, 17 Jul 2025 18:10:17 -0400
Subject: Let clippy fix warnings

---
 src/bd.rs  | 8 +++++++-
 src/lib.rs | 6 ++----
 2 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/src/bd.rs b/src/bd.rs
index 1bfe9f7..5508770 100644
--- a/src/bd.rs
+++ b/src/bd.rs
@@ -76,6 +76,12 @@ unsafe impl<D, const COUNT: usize, const MTU: usize> Sync for IoBuffers<D, COUNT
 pub type TransmitBuffers<const COUNT: usize, const MTU: usize> = IoBuffers<txbd::TxBD, COUNT, MTU>;
 pub type ReceiveBuffers<const COUNT: usize, const MTU: usize> = IoBuffers<rxbd::RxBD, COUNT, MTU>;
 
+impl<D, const COUNT: usize, const MTU: usize> Default for IoBuffers<D, COUNT, MTU> {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 impl<D, const COUNT: usize, const MTU: usize> IoBuffers<D, COUNT, MTU> {
     const MTU_IS_MULTIPLE_OF_16: () = assert!(MTU % 16 == 0);
 
@@ -91,7 +97,7 @@ impl<D, const COUNT: usize, const MTU: usize> IoBuffers<D, COUNT, MTU> {
     fn init(
         &'static mut self,
         init_descriptors: impl Fn(&mut [D], &mut [DataBuffer<MTU>]),
-    ) -> IoSlices<D> {
+    ) -> IoSlices<'static, D> {
         // Safety: by taking 'static mut reference, we
         // ensure that we can only be called once.
         let ring = unsafe { self.ring.init() };
diff --git a/src/lib.rs b/src/lib.rs
index 895288c..e24ccb7 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -75,10 +75,8 @@ impl<const N: u8> Enet<N> {
         ral::write_reg!(ral::enet, enet, RDSR, rx_ring.as_ptr() as _);
 
         const SMI_MDC_FREQUENCY_HZ: u32 = 2_500_000;
-        let mii_speed =
-            (source_clock_hz + 2 * SMI_MDC_FREQUENCY_HZ - 1) / (2 * SMI_MDC_FREQUENCY_HZ) - 1;
-        let hold_time =
-            (10 + 1_000_000_000 / source_clock_hz - 1) / (1_000_000_000 / source_clock_hz) - 1;
+        let mii_speed = source_clock_hz.div_ceil(2 * SMI_MDC_FREQUENCY_HZ) - 1;
+        let hold_time = 10_u32.div_ceil(1_000_000_000 / source_clock_hz) - 1;
         // TODO no way to enable / disable the MII management frame preamble. Maybe a new method
         // for the user?
         ral::modify_reg!(ral::enet, enet, MSCR, HOLDTIME: hold_time, MII_SPEED: mii_speed);
-- 
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