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Date:   Mon, 23 Dec 2019 16:40:32 +0000
From:   Jonathan Cameron <jic23@jic23.retrosnub.co.uk>
To:     Tomasz Duszynski <tduszyns@gmail.com>
Cc:     linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] iio: chemical: pms7003: fix unmet triggered buffer
 dependency
Message-ID: <20191223164032.78498e6b@archlinux>
In-Reply-To: <20191213213808.124603-1-tduszyns@gmail.com>
References: <20191213213808.124603-1-tduszyns@gmail.com>
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On Fri, 13 Dec 2019 22:38:08 +0100
Tomasz Duszynski <tduszyns@gmail.com> wrote:

> IIO triggered buffer depends on IIO buffer which is missing from Kconfig
> file. This should go unnoticed most of the time because there's a
> chance something else has already enabled buffers. In some rare cases
> though one might experience kbuild warnings about unmet direct
> dependencies and build failures due to missing symbols.
> 
> Fix this by selecting IIO_BUFFER explicitly.
> 
> Signed-off-by: Tomasz Duszynski <tduszyns@gmail.com>
Applied to the fixes-togreg branch of iio.git. Marked for stable and
with the addition of a fixes tag.

Thanks,

Jonathan

> ---
>  drivers/iio/chemical/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/iio/chemical/Kconfig b/drivers/iio/chemical/Kconfig
> index fa4586037bb8..0b91de4df8f4 100644
> --- a/drivers/iio/chemical/Kconfig
> +++ b/drivers/iio/chemical/Kconfig
> @@ -65,6 +65,7 @@ config IAQCORE
>  config PMS7003
>  	tristate "Plantower PMS7003 particulate matter sensor"
>  	depends on SERIAL_DEV_BUS
> +	select IIO_BUFFER
>  	select IIO_TRIGGERED_BUFFER
>  	help
>  	  Say Y here to build support for the Plantower PMS7003 particulate