From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mark Brown <broonie@kernel.org>
Subject: Re: [PATCH 7/8] ASoC: rsnd: Request/Release DMA
	channel each time
Date: Tue, 25 Oct 2016 15:02:31 +0100
Message-ID: <20161025140231.GU17252@sirena.org.uk>
References: <878ttdcm17.wl%kuninori.morimoto.gx@renesas.com>
 <87y41db7c0.wl%kuninori.morimoto.gx@renesas.com>
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To: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
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On Tue, Oct 25, 2016 at 12:37:59AM +0000, Kuninori Morimoto wrote:

> Current Renesas Sound driver requests DMA channel when .probe timing,
> and release it when .remove timing. And use DMA on .start/.stop
> But, Audio DMAC power ON was handled when request timing (= .probe),
> and power OFF was when release timing (= .remove).
> This means Audio DMAC power is always ON during driver was enabled.
> This patch fixup to request/release DMA channel each time.

Isn't this something which should be handled by better power management
in the DMA driver rather than this?

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