linux-kernel - Re: [PATCH v3 1/4] dt-bindings: ttyvs: document serial null modem driver bindings

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Message-ID: <CAL_JsqL1_3ZZW1F=J6J0J1rhsKu4psc-OF6OUqJ9+-H+Jpb8WQ@mail.gmail.com>
Date:   Fri, 17 Apr 2020 08:22:52 -0500
From:   Rob Herring <robh+dt@...nel.org>
To:     rishi gupta <gupt21@...il.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jslaby@...e.com>, Jonathan Corbet <corbet@....net>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        devicetree@...r.kernel.org,
        "open list:SERIAL DRIVERS" <linux-serial@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Linux Doc Mailing List <linux-doc@...r.kernel.org>
Subject: Re: [PATCH v3 1/4] dt-bindings: ttyvs: document serial null modem
 driver bindings

On Fri, Apr 17, 2020 at 12:14 AM rishi gupta <gupt21@...il.com> wrote:
>

Please don't top post.

> Initially there was no DT support but later it was added as CONFIGFS
> is optional.

Make configfs required.

> DT is giving flexibility to use the driver.

The DT belongs in the firmware for a platform like BIOS/EFI on your
PC. Would you want to configure your driver in the BIOS?

Rob

>
> On Fri, Apr 17, 2020 at 2:08 AM Rob Herring <robh+dt@...nel.org> wrote:
> >
> > On Wed, Apr 15, 2020 at 11:56 PM Rishi Gupta <gupt21@...il.com> wrote:
> > >
> > > The ttyvs driver creates virtual tty devices. These devices can
> > > also be created through device tree. This commit document this.
> >
> > Device tree is for real h/w devices. You have a configfs interface to
> > set these up. I don't think we need both.
> >
> > Rob