28.08.2020 04:47, Chanwoo Choi пишет: > Hi, ... >> Hence the NULL-checking is unnecessary. >> >> When I first encountered the of_device_get_match_data(), I was also >> thinking that adding the NULL-checks is a good idea, but later on >> somebody pointed out to me (maybe Thierry) that it's unnecessary to do. > > OK. Thanks. > >> >>>> + >>>> + mc = tegra_get_memory_controller(soc_data->mc_compatible); >>>> + if (IS_ERR(mc)) >>>> + return PTR_ERR(mc); >>> >>> You better to add error log. >> >> In practice we should get only -EPROBE_DEFER here ever. I'll consider >> adding the message in the next revision, at least just for consistency. > > In order to handle -EPROBE_DEFER, recommend the using of dev_err_probe(). Hello, Chanwoo! Thank you for the suggestion! I wasn't aware about the dev_err_probe() until recently and will use this new helper in the v6! Thanks!
