09.04.2020 20:52, Thierry Reding пишет:
...
> +static int tegra210_emc_set_rate(struct device *dev,
> + const struct tegra210_clk_emc_config *config)
> +{
> + struct tegra210_emc *emc = dev_get_drvdata(dev);
> + struct tegra210_emc_timing *timing = NULL;
> + unsigned long rate = config->rate;
> + s64 last_change_delay;
> + unsigned long flags;
> + unsigned int i;
> +
> + if (rate == emc->last->rate * 1000UL)
> + return 0;
Isn't it possible that parent is changed, while the rate is not? I think
the clock change should proceed in this case.
