On Thu, Dec 07, 2023 at 04:29:34PM -0600, Pierre-Louis Bossart wrote: > DP0 (Data Port 0) is very similar to regular data ports, with minor > tweaks we can reuse the same code. > > Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx> > --- > - dpn_prop = sdw_get_slave_dpn_prop(s_rt->slave, > - s_rt->direction, > - t_params->port_num); > - if (!dpn_prop) > - return -EINVAL; > + if (t_params->port_num) { > + struct sdw_dpn_prop *dpn_prop; > + > + dpn_prop = sdw_get_slave_dpn_prop(s_rt->slave, > + s_rt->direction, > + t_params->port_num); > + if (!dpn_prop) > + return -EINVAL; > + > + read_only_wordlength = dpn_prop->read_only_wordlength; > + port_type = dpn_prop->type; > + } else { > + read_only_wordlength = false; > + port_type = SDW_DPN_FULL; > + } Would it be nicer to just add a special case sdw_get_slave_dpn_prop to return dp0_prop and avoid all this special casing in the rest of the code? Thanks, Charles