> > > > + spi->mtd.writesize = SZ_1; /* 1 byte granularity */ > > > > > > You say writesize should be aligned with 4 in your next patch? > > > > We support unaligned write by reading aligned 4bytes, > > replacing changed bytes there and writing whole 4bytes back. > > Is there any problem with this approach? > > Is there a reason to do that manually rather than letting the core > handle the complexity? > I was not aware that core can do this. The core implements above logic if I put SZ_4 here and caller try to write, say, one byte? And sync multiple writers? If so, I can remove manual work, I think, and make the patches smaller. -- Thanks, Sasha