diff --git a/include/linux/scpi_protocol.h b/include/linux/scpi_protocol.h
index 72ce932..ecd248d 100644
--- a/include/linux/scpi_protocol.h
+++ b/include/linux/scpi_protocol.h
@@ -68,7 +68,7 @@
 	struct scpi_dvfs_info *(*dvfs_get_info)(u8);
 	int (*sensor_get_capability)(u16 *sensors);
 	int (*sensor_get_info)(u16 sensor_id, struct scpi_sensor_info *);
-	int (*sensor_get_value)(u16, u32 *);
+	int (*sensor_get_value)(u16, u64 *);
 };
 
 #if IS_REACHABLE(CONFIG_ARM_SCPI_PROTOCOL)