Re: [PATCH 2/7] clk: Add basic infrastructure for Pistachio clocks

[Stephen Boyd <sboyd-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>]

On 02/24/15 19:56, Andrew Bresticker wrote:
> +
> +void pistachio_clk_force_enable(struct pistachio_clk_provider *p,
> +				unsigned int *clk_ids, unsigned int num)
> +{
> +	unsigned int i;
> +	int err;
> +
> +	for (i = 0; i < num; i++) {
> +		struct clk *clk = p->clk_data.clks[clk_ids[i]];
> +
> +		if (IS_ERR(clk))
> +			continue;
> +
> +		err = clk_prepare_enable(clk);
> +		if (err)
> +			pr_err("Failed to enable clock %s: %d\n",
> +			       __clk_get_name(clk), err);
> +	}
> +}
>

Is this to workaround some problems in the framework where clocks are
turned off? Or is it that these clocks are already on before we boot
Linux and we need to make sure the framework knows that?

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a Linux Foundation Collaborative Project

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