On Thu, 8 Aug 2019 16:14:48 +0300 Tomer Maimon <tmaimon77@xxxxxxxxx> wrote: > + > +static const struct spi_controller_mem_ops npcm_fiu_mem_ops = { > + .exec_op = npcm_fiu_exec_op, No npcm_supports_op()? That's suspicious, especially after looking at the npcm_fiu_exec_op() (and the functions called from there) where the requested ->buswidth seems to be completely ignored... > + .dirmap_create = npcm_fiu_dirmap_create, > + .dirmap_read = npcm_fiu_direct_read, > + .dirmap_write = npcm_fiu_direct_write, > +}; > +