On Fri, 2021-02-26 at 16:35 +0900, Daejun Park wrote: > + > +/* > + * In this driver, WRITE_BUFFER CMD support 36KB (len=9) ~ 512KB > (len=128) as > + * default. It is possible to change range of transfer_len through > sysfs. > + */ > +static inline bool ufshpb_is_required_wb(struct ufshpb_lu *hpb, int > len) > +{ > + return (len >= hpb->pre_req_min_tr_len && Here is wrong, should be : len > hpb->pre_req_min_tr_len. Bean > + len <= hpb->pre_req_max_tr_len); > }