23.03.2020 14:00, Thierry Reding пишет: ... >>> + if (!provider || !provider->configs || provider->num_configs == 0) >>> + return -EINVAL; >> >> Why all these checks are needed? I don't think it ever could fail, >> couldn't it? > > This could fail if no EMC provider is attached, which happens, for > example, when the EMC driver is not loaded. Requesting EMC clock should return EPROBE_DEFER until provider is available. Please see tegra20_clk_src_onecell_get for the example. Tegra124 should do the same, BTW.
