linux-kernel - Re: [PATCH] iio: adc: STM32_DFSDM_ADC should depend on HAS

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Message-ID: <20180130150337.GC10525@sirena.org.uk>
Date:   Tue, 30 Jan 2018 15:03:37 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Jonathan Cameron <jic23@...nel.org>,
        Arnaud Pouliquen <arnaud.pouliquen@...com>,
        linux-iio@...r.kernel.org, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] iio: adc: STM32_DFSDM_ADC should depend on HAS_DMA

On Tue, Jan 30, 2018 at 02:21:46PM +0100, Geert Uytterhoeven wrote:
> If NO_DMA=y:
> 
>     ERROR: "bad_dma_ops" [drivers/iio/adc/stm32-dfsdm-adc.ko] undefined!
> 
> Add a dependency on HAS_DMA to fix this.

Once again I have to ask why we're doing this per driver and not having
the few architectures that have this issue set something up.

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