linux-kernel - Re: [PATCH v5 10/15] clk: tegra: move audio clk to common file

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Date:	Fri, 18 Oct 2013 16:30:02 -0700
From:	Andrew Bresticker <abrestic@...omium.org>
To:	Peter De Schrijver <pdeschrijver@...dia.com>
Cc:	Prashant Gaikwad <pgaikwad@...dia.com>,
	Mike Turquette <mturquette@...aro.org>,
	Stephen Warren <swarren@...dotorg.org>,
	Thierry Reding <thierry.reding@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>, linux-tegra@...r.kernel.org
Subject: Re: [PATCH v5 10/15] clk: tegra: move audio clk to common file

Hi Peter,

> +#define PLL_BASE_LOCK BIT(27)
> +#define PLL_MISC_LOCK_ENABLE 18

It doesn't look like these are used anywhere.

> +static struct tegra_sync_source_initdata sync_source_clks[] __initdata = {
> +       { .name = "spdif_in_sync", .rate = 24000000, .max_rate = 24000000, .clk_id = tegra_clk_spdif_in_sync},

It's a little weird that we have macros for audio_clks and
audio2x_clks, but not for these.

> +       /* PLLA */
> +       dt_clk = tegra_lookup_dt_id(tegra_clk_pll_a, tegra_clks);
> +       if (dt_clk) {
> +               clk = tegra_clk_register_pll("pll_a", "pll_p_out1", clk_base,
> +                               pmc_base, 0, pll_a_params, NULL);
> +               clk_register_clkdev(clk, "pll_a", NULL);

Won't tegra_register_devclks() take care of this since there's an
entry for this in t114's devclks array?

> +               *dt_clk = clk;
> +       }
> +
> +       /* PLLA_OUT0 */
> +       dt_clk = tegra_lookup_dt_id(tegra_clk_pll_a_out0, tegra_clks);
> +       if (dt_clk) {
> +               clk = tegra_clk_register_divider("pll_a_out0_div", "pll_a",
> +                               clk_base + PLLA_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
> +                               8, 8, 1, NULL);
> +               clk = tegra_clk_register_pll_out("pll_a_out0", "pll_a_out0_div",
> +                               clk_base + PLLA_OUT, 1, 0, CLK_IGNORE_UNUSED |
> +                               CLK_SET_RATE_PARENT, 0, NULL);
> +               clk_register_clkdev(clk, "pll_a_out0", NULL);

Ditto.

Thanks,
Andrew
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