linux-kernel - Re: [PATCH 3/7] gnss: add generic serial driver

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Date:   Wed, 25 Apr 2018 10:57:49 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Johan Hovold <johan@...nel.org>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Andreas Kemnade <andreas@...nade.info>,
        Arnd Bergmann <arnd@...db.de>,
        "H . Nikolaus Schaller" <hns@...delico.com>,
        Pavel Machek <pavel@....cz>, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH 3/7] gnss: add generic serial driver

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@...nel.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...