linux-kernel - Re: [PATCH] iio: adc: dln2-adc: fix build error

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Date:   Sun, 8 Oct 2017 11:44:03 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     LKML <linux-kernel@...r.kernel.org>, linux-iio@...r.kernel.org,
        Jack Andersen <jackoalan@...il.com>,
        kbuild test robot <fengguang.wu@...el.com>
Subject: Re: [PATCH] iio: adc: dln2-adc: fix build error

On Sat, 7 Oct 2017 16:53:20 -0700
Randy Dunlap <rdunlap@...radead.org> wrote:

> From: Randy Dunlap <rdunlap@...radead.org>
> 
> The dln2-adc driver uses interface(s) that are controlled by the
> IIO_TRIGGERED_BUFFER Kconfig symbol, so the driver needs to select
> that symbol to prevent the build error.
> 
> drivers/iio/adc/dln2-adc.o: In function `dln2_adc_probe':
> dln2-adc.c:(.text+0x528): undefined reference to `devm_iio_triggered_buffer_setup'
> 
> Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
> Reported-by: kbuild test robot <fengguang.wu@...el.com>
> Cc: Jonathan Cameron <jic23@...nel.org>
> Cc: linux-iio@...r.kernel.org
> Cc: Jack Andersen <jackoalan@...il.com>

Applied to the fixes-togreg branch of iio.git.

Thanks,

Jonathan

> ---
>  drivers/iio/adc/Kconfig |    2 ++
>  1 file changed, 2 insertions(+)
> 
> --- lnx-414-rc3.orig/drivers/iio/adc/Kconfig
> +++ lnx-414-rc3/drivers/iio/adc/Kconfig
> @@ -243,6 +243,8 @@ config DA9150_GPADC
>  config DLN2_ADC
>  	tristate "Diolan DLN-2 ADC driver support"
>  	depends on MFD_DLN2
> +	select IIO_BUFFER
> +	select IIO_TRIGGERED_BUFFER
>  	help
>  	  Say yes here to build support for Diolan DLN-2 ADC.
>  
> 
> 
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