fix minor clippy lints in embassy_rp

2 files changed, 3 insertions, 3 deletions

diff --git a/embassy-rp/src/uart/buffered.rs b/embassy-rp/src/uart/buffered.rs
index 99c958129..7622539f1 100644
--- a/embassy-rp/src/uart/buffered.rs
+++ b/embassy-rp/src/uart/buffered.rs
@@ -467,7 +467,7 @@ impl<'d, T: Instance> Drop for BufferedUartRx<'d, T> {
 
         // TX is inactive if the the buffer is not available.
         // We can now unregister the interrupt handler
-        if state.tx_buf.len() == 0 {
+        if state.tx_buf.is_empty() {
             T::Interrupt::disable();
         }
     }
@@ -480,7 +480,7 @@ impl<'d, T: Instance> Drop for BufferedUartTx<'d, T> {
 
         // RX is inactive if the the buffer is not available.
         // We can now unregister the interrupt handler
-        if state.rx_buf.len() == 0 {
+        if state.rx_buf.is_empty() {
             T::Interrupt::disable();
         }
     }
diff --git a/embassy-rp/src/uart/mod.rs b/embassy-rp/src/uart/mod.rs
index f372cb640..65dcf4eb4 100644
--- a/embassy-rp/src/uart/mod.rs
+++ b/embassy-rp/src/uart/mod.rs
@@ -322,7 +322,7 @@ impl<'d, T: Instance, M: Mode> UartRx<'d, T, M> {
 
 impl<'d, T: Instance, M: Mode> Drop for UartRx<'d, T, M> {
     fn drop(&mut self) {
-        if let Some(_) = self.rx_dma {
+        if self.rx_dma.is_some() {
             T::Interrupt::disable();
             // clear dma flags. irq handlers use these to disambiguate among themselves.
             T::regs().uartdmacr().write_clear(|reg| {