> > > + put_unaligned_be64(ppn, &cdb[6]); > > > > You are assuming the HPB entries read out by "HPB Read Buffer" cmd > > are > > in Little > > Endian, which is why you are using put_unaligned_be64 here. However, > > this assumption > > is not right for all the other flash vendors - HPB entries read out > > by > > "HPB Read Buffer" > > cmd may come in Big Endian, if so, their random read performance are > > screwed. > > For this question, it is very hard to make a correct format since the > Spec doesn't give a clear definition. Should we have a default format, > if there is conflict, and then add quirk or add a vendor-specific > table? > > Hi Avri > Do you have a good idea? I don't know. Better let Daejun answer this. This was working for me for both Galaxy S20 (Exynos) as well as Xiaomi Mi10 (8250). Thanks, Avri