On Tue, 2021-03-02 at 13:15 +0000, Avri Altman wrote: > > > > On Fri, 2021-02-26 at 16:35 +0900, Daejun Park wrote: > > > +static void ufshpb_set_unmap_cmd(unsigned char *cdb, struct > > > ufshpb_region *rgn) > > > +{ > > > + cdb[0] = UFSHPB_WRITE_BUFFER; > > > + cdb[1] = rgn ? UFSHPB_WRITE_BUFFER_INACT_SINGLE_ID : > > > + UFSHPB_WRITE_BUFFER_INACT_ALL_ID; > > > > Here is wrong, > > Valid HPB Region is (0 ~ (Ceiling( Region size calculated by > > bHPBRegionSize )- 1) ). how do you know the region==0 is not > > a single normal region? > > Please note that rgn here is a ufshpb_region *rgn > I see, thanks. > Thanks, > Avri