Re: [RFC PATCH v10 6/9] media: tegra: Add Tegra210 Video input driver

Dmitry Osipenko
2020-04-25T23:13:49Z

24.04.2020 06:55, Sowjanya Komatineni пишет:
> +static int __maybe_unused vi_runtime_resume(struct device *dev)
> +{
> + struct tegra_vi *vi = dev_get_drvdata(dev);
> + int ret;
> +
> + ret = regulator_enable(vi->vdd);
> + if (ret) {
> + dev_err(dev, "failed to enable VDD supply: %d\n", ret);
> + return ret;
> + }
> +
> + ret = clk_set_rate(vi->clk, vi->soc->vi_max_clk_hz);
> + if (ret) {
> + dev_err(dev, "failed to set vi clock rate: %d\n", ret);
> + goto disable_vdd;
> + }

Isn't setting clock rate using assigned-clocks in a device-tree enough?
Could you please clarify why this vi_max_clk_hz is needed?