diff --git a/examples/stm32f4/src/bin/eth.rs b/examples/stm32f4/src/bin/eth.rs
index baed96449..a3af8f75c 100644
--- a/examples/stm32f4/src/bin/eth.rs
+++ b/examples/stm32f4/src/bin/eth.rs
@@ -76,7 +76,7 @@ async fn main(spawner: Spawner) -> ! {
         p.PG13,
         p.PB13,
         p.PG11,
-        GenericSMI::new(0),
+        GenericSMI::new_auto(),
         mac_addr,
     );
 
diff --git a/examples/stm32f7/src/bin/eth.rs b/examples/stm32f7/src/bin/eth.rs
index 1f1eadf37..f353af674 100644
--- a/examples/stm32f7/src/bin/eth.rs
+++ b/examples/stm32f7/src/bin/eth.rs
@@ -77,7 +77,7 @@ async fn main(spawner: Spawner) -> ! {
         p.PG13,
         p.PB13,
         p.PG11,
-        GenericSMI::new(0),
+        GenericSMI::new_auto(),
         mac_addr,
     );
 
diff --git a/examples/stm32h5/src/bin/eth.rs b/examples/stm32h5/src/bin/eth.rs
index eee1632f5..ead346741 100644
--- a/examples/stm32h5/src/bin/eth.rs
+++ b/examples/stm32h5/src/bin/eth.rs
@@ -80,7 +80,7 @@ async fn main(spawner: Spawner) -> ! {
         p.PG13,
         p.PB15,
         p.PG11,
-        GenericSMI::new(0),
+        GenericSMI::new_auto(),
         mac_addr,
     );
 
diff --git a/examples/stm32h7/src/bin/eth.rs b/examples/stm32h7/src/bin/eth.rs
index ec3f2c000..6665cd1d0 100644
--- a/examples/stm32h7/src/bin/eth.rs
+++ b/examples/stm32h7/src/bin/eth.rs
@@ -79,7 +79,7 @@ async fn main(spawner: Spawner) -> ! {
         p.PG13, // TX_D0: Transmit Bit 0
         p.PB13, // TX_D1: Transmit Bit 1
         p.PG11, // TX_EN: Transmit Enable
-        GenericSMI::new(0),
+        GenericSMI::new_auto(),
         mac_addr,
     );
 
diff --git a/examples/stm32h7/src/bin/eth_client.rs b/examples/stm32h7/src/bin/eth_client.rs
index a1558b079..4fbe10f31 100644
--- a/examples/stm32h7/src/bin/eth_client.rs
+++ b/examples/stm32h7/src/bin/eth_client.rs
@@ -81,7 +81,7 @@ async fn main(spawner: Spawner) -> ! {
         p.PG13,
         p.PB13,
         p.PG11,
-        GenericSMI::new(0),
+        GenericSMI::new_auto(),
         mac_addr,
     );
 
diff --git a/examples/stm32h7/src/bin/eth_client_mii.rs b/examples/stm32h7/src/bin/eth_client_mii.rs
index a352ef444..53f86ac80 100644
--- a/examples/stm32h7/src/bin/eth_client_mii.rs
+++ b/examples/stm32h7/src/bin/eth_client_mii.rs
@@ -86,7 +86,7 @@ async fn main(spawner: Spawner) -> ! {
         p.PC2,
         p.PE2,
         p.PG11,
-        GenericSMI::new(1),
+        GenericSMI::new_auto(),
         mac_addr,
     );
     info!("Device created");
diff --git a/tests/stm32/src/bin/eth.rs b/tests/stm32/src/bin/eth.rs
index bf1922dde..4ab6e234f 100644
--- a/tests/stm32/src/bin/eth.rs
+++ b/tests/stm32/src/bin/eth.rs
@@ -87,7 +87,7 @@ async fn main(spawner: Spawner) {
         #[cfg(feature = "stm32h563zi")]
         p.PB15,
         p.PG11,
-        GenericSMI::new(0),
+        GenericSMI::new_auto(),
         mac_addr,
     );