Date:   Mon, 20 Dec 2021 17:58:27 +0100
From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
Cc:     Russell King <linux@armlinux.org.uk>,
        Arnd Bergmann <arnd@arndb.de>, Joel Stanley <joel@jms.id.au>,
        Dmitry Osipenko <digetx@gmail.com>,
        Thierry Reding <treding@nvidia.com>,
        Manivannan Sadhasivam <mani@kernel.org>,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] ARM: multi_v7_defconfig: Enable CONFIG_RPMSG_TTY
Message-ID: <YcC2M/QseKewXDGw@kroah.com>
References: <20211220161155.32564-1-arnaud.pouliquen@foss.st.com>
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On Mon, Dec 20, 2021 at 05:11:55PM +0100, Arnaud Pouliquen wrote:
> The RPMsg TTY implements an inter-processor communication with a standard
> TTY interface on top of the RPMsg framework.
> This driver is a generic RPMsg client that can run on different platforms.
> 
> By enabling the RPMSG_TTY driver as module in multi_v7_defconfig, it makes
> possible to automatically probe the rpmsg_tty driver by the RPMsg bus,
> when the support of the RPMsg service is dynamically requested by the
> co-processor firmware.
> 
> Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
> ---
> delta vs V1:
> add
> ---

"add"?  What does that mean?

Do all v7 chips have this hardware?

thanks,

greg k-h