linux-kernel - Re: [PATCH v3 01/10] ASoC: qcom: make lpass driver depend on OF

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Date:	Fri, 22 May 2015 12:53:44 +0100
From:	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:	Arnd Bergmann <arnd@...db.de>
CC:	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>,
	Kenneth Westfield <kwestfie@...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: [PATCH v3 01/10] ASoC: qcom: make lpass driver depend on OF

Thanks for looking at this patch.

On 22/05/15 08:24, Arnd Bergmann wrote:
> On Thursday 21 May 2015 22:52:41 Srinivas Kandagatla wrote:
>>
>>   config SND_SOC_LPASS_CPU
>>          tristate
>> +       depends on OF
>>          select REGMAP_MMIO
>>
>>   config SND_SOC_LPASS_PLATFORM
>>          tristate
>> +       depends on OF
>>          select REGMAP_MMIO
>>
>>   config SND_SOC_LPASS_IPQ806X
>>
>
> Could you instead make the drivers compile without OF being set?
>
> I see that patch 7 and 8 introduces another two options doing
>
>
> +config SND_SOC_LPASS_APQ8016
> +       tristate
> +       depends on SND_SOC_QCOM
> +       select SND_SOC_LPASS_CPU
> +       select SND_SOC_LPASS_PLATFORM
> +
>
> +config SND_SOC_APQ8016_SBC
> +       tristate "SoC Audio support for APQ8016 SBC platforms"
> +       depends on (ARCH_QCOM && SND_SOC_QCOM) || COMPILE_TEST
> +       select SND_SOC_LPASS_APQ8016
> +       help
>
> so you get an obvious build failure here when SND_SOC_APQ8016_SBC
> gets selected with COMPILE_TEST on a platform that does not support OF.
>

Yes, this would fail.
I think moving of_device_id structures in drivers under #ifdef CONFIG_OF 
and removing the depends on OF would fix it.

--srini


> 	Arnd
>
>
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