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SubjectRe: [PATCH 10/12] clk: tegra: move fixed clocks to common file
On 09/18/2013 08:41 AM, Peter De Schrijver wrote:
> Introduce a new file for fixed clocks common between several Tegra
> SoCs and move Tegra114 to this new infrastructure.

> diff --git a/drivers/clk/tegra/clk-tegra-fixed.c b/drivers/clk/tegra/clk-tegra-fixed.c

> +void __init tegra_fixed_clk_init(struct tegra_clk *tegra_clks)

> + /* clk_m_div2 */
> + dt_clk = tegra_lookup_dt_id(tegra_clk_clk_m_div2, tegra_clks);
> + if (dt_clk) {
> + clk = clk_register_fixed_factor(NULL, "clk_m_div2", "clk_m",
> + CLK_SET_RATE_PARENT, 1, 2);
> + clk_register_clkdev(clk, "clk_m_div2", NULL);
> + *dt_clk = clk;
> + }

I guess "fixed" means "fixed at run-time", not "identical rate in all
systems"? Since this is the crystal rate, it can vary between boards,
but I supposed if "fixed" means "fixed at run-time", considering this as
a fixed clock is fine.

But, isn't clk_m also a fixed clock then? I would expect one or two more
clocks in this file. What about clk_s, or is that known as clk_32k here?


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