Hi Srini, > +static int __maybe_unused wsa881x_runtime_resume(struct device *dev) > +{ > + struct sdw_slave *slave = dev_to_sdw_dev(dev); > + struct regmap *regmap = dev_get_regmap(dev, NULL); > + struct wsa881x_priv *wsa881x = dev_get_drvdata(dev); > + > + gpiod_direction_output(wsa881x->sd_n, 1); > + > + wait_for_completion_timeout(&slave->initialization_complete, > + msecs_to_jiffies(WSA881X_PROBE_TIMEOUT)); while I was revisiting pm_runtime support, I also saw that this codec driver is the only one that doesn't check for errors max98373-sdw.c: time = wait_for_completion_timeout(&slave->initialization_complete, rt1308-sdw.c: time = wait_for_completion_timeout(&slave->initialization_complete, rt1316-sdw.c: time = wait_for_completion_timeout(&slave->initialization_complete, rt5682-sdw.c: time = wait_for_completion_timeout(&slave->initialization_complete, rt5682.c: &slave->initialization_complete, rt700-sdw.c: time = wait_for_completion_timeout(&slave->initialization_complete, rt711-sdca-sdw.c: time = wait_for_completion_timeout(&slave->initialization_complete, rt711-sdw.c: time = wait_for_completion_timeout(&slave->initialization_complete, rt715-sdw.c: time = wait_for_completion_timeout(&slave->initialization_complete, wsa881x.c: wait_for_completion_timeout(&slave->initialization_complete, If the attachment fails for some reason, you probably want to avoid starting regmap syncs that will fail by construction, no? > + > + regcache_cache_only(regmap, false); > + regcache_sync(regmap); > + > + return 0; > +}