Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Subject: Re: [PATCH v7 5/5] drivers/tty/serial: add LiteUART driver
To:     Mateusz Holenko <mholenko@antmicro.com>,
        Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Jiri Slaby <jslaby@suse.com>, devicetree@vger.kernel.org,
        linux-serial@vger.kernel.org
Cc:     Stafford Horne <shorne@gmail.com>,
        Karol Gugala <kgugala@antmicro.com>,
        Mauro Carvalho Chehab <mchehab+samsung@kernel.org>,
        "David S. Miller" <davem@davemloft.net>,
        "Paul E. McKenney" <paulmck@linux.ibm.com>,
        Filip Kokosinski <fkokosinski@antmicro.com>,
        Pawel Czarnecki <pczarnecki@internships.antmicro.com>,
        Joel Stanley <joel@jms.id.au>,
        Jonathan Cameron <Jonathan.Cameron@huawei.com>,
        Maxime Ripard <mripard@kernel.org>,
        Shawn Guo <shawnguo@kernel.org>,
        Heiko Stuebner <heiko@sntech.de>,
        Sam Ravnborg <sam@ravnborg.org>,
        Icenowy Zheng <icenowy@aosc.io>,
        Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
        linux-kernel@vger.kernel.org, "Gabriel L. Somlo" <gsomlo@gmail.com>
References: <20200604121142.2964437-0-mholenko@antmicro.com>
 <20200604121142.2964437-5-mholenko@antmicro.com>
From:   Randy Dunlap <rdunlap@infradead.org>
Message-ID: <418aa34e-af6c-3a3c-8d22-e7a122963b8f@infradead.org>
Date:   Thu, 4 Jun 2020 08:14:02 -0700
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101
 Thunderbird/68.8.0
MIME-Version: 1.0
In-Reply-To: <20200604121142.2964437-5-mholenko@antmicro.com>
Content-Type: text/plain; charset=utf-8
Content-Language: en-US
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Hi--

On 6/4/20 3:14 AM, Mateusz Holenko wrote:
> +config SERIAL_LITEUART
> +	tristate "LiteUART serial port support"
> +	depends on HAS_IOMEM
> +	depends on OF || COMPILE_TEST
> +	depends on LITEX_SOC_CONTROLLER
> +	select SERIAL_CORE
> +	help
> +	  This driver is for the FPGA-based LiteUART serial controller from LiteX
> +	  SoC builder.
> +
> +	  Say 'Y' here if you wish to use the LiteUART serial controller.
> +	  Otherwise, say 'N'.

That last paragraph seems to say that Y and N are the only choices here.
It can also be set to M ...

-- 
~Randy