linux-kernel - Re: [RFC PATCH 08/14] ASoC: qcom: add dma channel control offset to variant data

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Date:	Tue, 05 May 2015 08:16:56 +0100
From:	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:	Patrick Lai <plai@...eaurora.org>, Mark Brown <broonie@...nel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Banajit Goswami <bgoswami@...eaurora.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.de>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	alsa-devel@...a-project.org, linux-arm-msm@...r.kernel.org
Subject: Re: [RFC PATCH 08/14] ASoC: qcom: add dma channel control offset
 to variant data



On 03/05/15 00:59, Kenneth Westfield wrote:
> On Thu, Apr 30, 2015 at 06:17:32PM +0100, Srinivas Kandagatla wrote:
>> This patch adds ability to pass dma channel control bits start offset, which
>> differ in differnet qcom SOCs. On apq8016 dma channel control bits start
>> after an offset of 1.
>
> Alot of the SOCs have similar small differences in the LPASS register
> map.  For now, this is fine, but we will probably want to add some
> system of quirks to handle these differences; as more SOCs drivers
> are implemented.
>
Yes, I agree, only reason for adding it in to variant data could be that 
I was looking at drivers/mmc/host/mmmci.c file a lot :-)

--srini
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