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Message-ID: <555F18C8.8090902@linaro.org>
Date: Fri, 22 May 2015 12:53:44 +0100
From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
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To: Arnd Bergmann <arnd@arndb.de>
CC: Patrick Lai <plai@codeaurora.org>, Mark Brown <broonie@kernel.org>,
        Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>,
        Ian Campbell <ijc+devicetree@hellion.org.uk>,
        Kumar Gala <galak@codeaurora.org>,
        Banajit Goswami <bgoswami@codeaurora.org>,
        Kenneth Westfield <kwestfie@codeaurora.org>,
        Liam Girdwood <lgirdwood@gmail.com>, Jaroslav Kysela <perex@perex.cz>,
        Takashi Iwai <tiwai@suse.de>, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org,
        linux-arm-msm@vger.kernel.org
Subject: Re: [PATCH v3 01/10] ASoC: qcom: make lpass driver depend on OF
References: <1432245125-8939-1-git-send-email-srinivas.kandagatla@linaro.org> <1432245161-8990-1-git-send-email-srinivas.kandagatla@linaro.org> <2534276.hIjFJK74Zh@wuerfel>
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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
>
>