10.03.2020 18:19, Thierry Reding пишет:
> From: Joseph Lo <josephl@xxxxxxxxxx>
>
> The EMC clock needs to carefully coordinate with the EMC controller
> programming to make sure external memory can be properly clocked. Do so
> by hooking up the EMC clock with an EMC provider that will specify which
> rates are supported by the EMC and provide a callback to use for setting
> the clock rate at the EMC.
>
> Based on work by Peter De Schrijver <pdeschrijver@xxxxxxxxxx>.
>
> Signed-off-by: Joseph Lo <josephl@xxxxxxxxxx>
> Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
> ---
> Changes in v5:
> - major rework and cleanup
...
> +EXPORT_SYMBOL_GPL(tegra210_clk_emc_attach);
> +
> +void tegra210_clk_emc_detach(struct clk *clk)
> +{
> + struct tegra210_clk_emc *emc = to_tegra210_clk_emc(__clk_get_hw(clk));
> +
> + emc->provider = NULL;
> +}
> +EXPORT_SYMBOL_GPL(tegra210_clk_emc_detach);...
> +config TEGRA210_EMC
> + bool "NVIDIA Tegra210 External Memory Controller driver"
I'd remove all the exports for now, given that the driver is built-in.
