Re: [PATCH v5 05/14] ASoC: rsnd: Add audmacpp clock and reset support for RZ/G3E

[Mark Brown]

On Wed, Apr 15, 2026 at 12:47:22PM +0000, John Madieu wrote:

> +	/*
> +	 * Audio DMAC peri-peri clock and reset for RZ/G3E.
> +	 * These use optional APIs, so they gracefully return NULL
> +	 * (no error) on platforms whose DT does not provide them.
> +	 */
> +	dmac->audmapp_rstc =
> +		devm_reset_control_get_optional_exclusive_deasserted(dev, "audmapp");
> +	if (IS_ERR(dmac->audmapp_rstc)) {
> +		return dev_err_probe(dev, PTR_ERR(dmac->audmapp_rstc),
> +				     "failed to get audmapp reset\n");
> +	}
> +
> +	dmac->audmapp_clk = devm_clk_get_optional_enabled(dev, "audmapp");
> +	if (IS_ERR(dmac->audmapp_clk)) {
> +		return dev_err_probe(dev, PTR_ERR(dmac->audmapp_clk),
> +				     "failed to get audmapp clock\n");
> +	}

Do we need the clock running before deasserting reset?  Usually the flow
is to get the resources the hardware requires stable before we release,
that helps everything start up cleanly.

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