> > + > > +/** > > + * ufshcd_exec_raw_upiu_cmd - API function for sending raw upiu > commands > > + * @hba: per-adapter instance > > + * @req_upiu: upiu request > > + * @rsp_upiu: upiu reply - only 8 DW as we do not support scsi > commands > > + * @msgcode: message code, one of UPIU Transaction Codes Initiator > to Target > > + * @desc_buff: pointer to descriptor buffer, NULL if NA > > + * @buff_len: descriptor size, 0 if NA > > + * @rw: either READ or WRITE > > Actually, this isn't a normal READ vs WRITE, but it is read/write or > none. Either we should move this to a enum dma_data_direction, > or still apply an arbitrary read vs write and check for a 0 buff_len > instead of passing the magic UFS_BSG_NOP later in this series. Done.
