Migrate CPUSpeed to new entity naming style (#75080)

homeassistant/components/cpuspeed/sensor.py

@@ -7,8 +7,11 @@ from homeassistant.components.sensor import SensorEntity
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import FREQUENCY_GIGAHERTZ
 from homeassistant.core import HomeAssistant
+from homeassistant.helpers.entity import DeviceInfo
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
+from .const import DOMAIN
+
 ATTR_BRAND = "brand"
 ATTR_HZ = "ghz_advertised"
 ATTR_ARCH = "arch"
@@ -30,12 +33,16 @@ class CPUSpeedSensor(SensorEntity):
     """Representation of a CPU sensor."""
 
     _attr_icon = "mdi:pulse"
-    _attr_name = "CPU Speed"
+    _attr_has_entity_name = True
     _attr_native_unit_of_measurement = FREQUENCY_GIGAHERTZ
 
     def __init__(self, entry: ConfigEntry) -> None:
         """Initialize the CPU sensor."""
         self._attr_unique_id = entry.entry_id
+        self._attr_device_info = DeviceInfo(
+            name="CPU Speed",
+            identifiers={(DOMAIN, entry.entry_id)},
+        )
 
     def update(self) -> None:
         """Get the latest data and updates the state."""