From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Wed, 25 Apr 2018 10:57:49 +0200
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Johan Hovold <johan@kernel.org>
Cc: Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>,
	Andreas Kemnade <andreas@kemnade.info>,
	Arnd Bergmann <arnd@arndb.de>,
	"H . Nikolaus Schaller" <hns@goldelico.com>,
	Pavel Machek <pavel@ucw.cz>, linux-kernel@vger.kernel.org,
	devicetree@vger.kernel.org
Subject: Re: [PATCH 3/7] gnss: add generic serial driver
Message-ID: <20180425085749.GC13295@kroah.com>
References: <20180424163458.11947-1-johan@kernel.org>
 <20180424163458.11947-4-johan@kernel.org>
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On Tue, Apr 24, 2018 at 06:34:54PM +0200, Johan Hovold wrote:
> Add a generic serial GNSS driver (library) which provides a common
> implementation for the gnss interface and power management (runtime and
> system suspend). This allows GNSS drivers for specific chip to be
> implemented by simply providing a set_power() callback to handle three
> states: ACTIVE, STANDBY and OFF.
> 
> Signed-off-by: Johan Hovold <johan@kernel.org>
> ---
>  drivers/gnss/Kconfig  |   7 +
>  drivers/gnss/Makefile |   3 +
>  drivers/gnss/serial.c | 288 ++++++++++++++++++++++++++++++++++++++++++
>  drivers/gnss/serial.h |  47 +++++++
>  4 files changed, 345 insertions(+)
>  create mode 100644 drivers/gnss/serial.c
>  create mode 100644 drivers/gnss/serial.h
> 
> diff --git a/drivers/gnss/Kconfig b/drivers/gnss/Kconfig
> index 103fcc70992e..f8ee54f99a8d 100644
> --- a/drivers/gnss/Kconfig
> +++ b/drivers/gnss/Kconfig
> @@ -9,3 +9,10 @@ menuconfig GNSS
>  
>  	  To compile this driver as a module, choose M here: the module will
>  	  be called gnss.
> +
> +if GNSS
> +
> +config GNSS_SERIAL
> +	tristate
> +

Maybe a real help entry?  Or is this only selected from child drivers?
I haven't gotten that far in the series, sorry...