On 2020-01-20 05:08, Bean Huo wrote: > Without variable is_init_prefetch, the current logic can guarantee > ufshcd_init_icc_levels() will execute only once, delete it now. How about changing this description into the following: A previous patch in this series introduced ufshcd_add_lus(). That function is called once per HBA which makes the is_init_prefetch member superfluous. Hence remove the is_init_prefetch member. Anyway: Reviewed-by: Bart Van Assche <bvanassche@xxxxxxx>