Explain Other(0)

esp-rs · Feb 4, 2025 · 452539e · 452539e
1 parent 5e86590
commit 452539e
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/esp-hal/src/clock/mod.rs b/esp-hal/src/clock/mod.rs
@@ -341,7 +341,7 @@ impl Clocks {
         } else {
             const {
                 match esp_config::esp_config_str!("ESP_HAL_CONFIG_XTAL_FREQUENCY").as_bytes() {
-                    b"auto" => XtalClock::Other(0),
+                    b"auto" => XtalClock::Other(0), // Can't be `unreachable!` due to const eval.
                     b"26" => XtalClock::_26M,
                     b"40" => XtalClock::_40M,
                     other => XtalClock::Other(esp_config::esp_config_int_parse!(u32, other)),
@@ -392,7 +392,7 @@ impl Clocks {
         } else {
             const {
                 match esp_config::esp_config_str!("ESP_HAL_CONFIG_XTAL_FREQUENCY").as_bytes() {
-                    b"auto" => XtalClock::Other(0),
+                    b"auto" => XtalClock::Other(0), // Can't be `unreachable!` due to const eval.
                     b"26" => XtalClock::_26M,
                     b"40" => XtalClock::_40M,
                     other => XtalClock::Other(esp_config::esp_config_int_parse!(u32, other)),