Re: [PATCH v5 2/8] clk: tegra: Export functions for EMC clock scaling

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10.03.2020 18:19, Thierry Reding пишет:
> From: Joseph Lo <josephl@xxxxxxxxxx>
> 
> Export functions to allow accessing the CAR register required by EMC
> clock scaling. These functions will be used to access the CAR register
> as part of the scaling sequence.
> 
> Signed-off-by: Joseph Lo <josephl@xxxxxxxxxx>
> Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
> ---
> Changes in v5:
> - remove tegra210_clk_emc_update_setting() which is no longer needed
> 
...
> +EXPORT_SYMBOL_GPL(tegra210_clk_emc_update_setting);
...
> +extern void tegra210_clk_emc_dll_enable(bool flag);
> +extern void tegra210_clk_emc_dll_update_setting(u32 emc_dll_src_value);
> +extern void tegra210_clk_emc_update_setting(u32 emc_src_value);

Why these exports are needed given that the EMC driver is built-in?



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