Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Date:   Sat, 22 Jul 2023 17:15:26 +0200
From:   Greg KH <gregkh@linuxfoundation.org>
To:     Hugo Villeneuve <hugo@hugovil.com>
Cc:     Rob Herring <robh+dt@kernel.org>,
        krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org,
        jirislaby@kernel.org, jringle@gridpoint.com,
        isaac.true@canonical.com, jesse.sung@canonical.com,
        tomasz.mon@camlingroup.com, l.perczak@camlintechnologies.com,
        linux-serial@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org,
        Hugo Villeneuve <hvilleneuve@dimonoff.com>,
        stable@vger.kernel.org,
        Andy Shevchenko <andy.shevchenko@gmail.com>,
        Lech Perczak <lech.perczak@camlingroup.com>
Subject: Re: [RESEND PATCH v8 06/10] serial: sc16is7xx: fix regression with
 GPIO configuration
Message-ID: <2023072240-supremacy-shallot-a77f@gregkh>
References: <20230721161840.1393996-1-hugo@hugovil.com>
 <20230721161840.1393996-7-hugo@hugovil.com>
 <CAL_JsqJpdhtnZ8FcM7kGWnM+iuDs1fWiCVgf413evbw-o8TZGQ@mail.gmail.com>
 <20230722104724.ef0c5896c239e721794b9fe9@hugovil.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
Content-Transfer-Encoding: 8bit
In-Reply-To: <20230722104724.ef0c5896c239e721794b9fe9@hugovil.com>
Precedence: bulk

On Sat, Jul 22, 2023 at 10:47:24AM -0400, Hugo Villeneuve wrote:
> On Fri, 21 Jul 2023 13:24:19 -0600
> Rob Herring <robh+dt@kernel.org> wrote:
> 
> > On Fri, Jul 21, 2023 at 10:19 AM Hugo Villeneuve <hugo@hugovil.com> wrote:
> > >
> > > From: Hugo Villeneuve <hvilleneuve@dimonoff.com>
> > >
> > > Commit 679875d1d880 ("sc16is7xx: Separate GPIOs from modem control lines")
> > > and commit 21144bab4f11 ("sc16is7xx: Handle modem status lines")
> > > changed the function of the GPIOs pins to act as modem control
> > > lines without any possibility of selecting GPIO function.
> > 
> > Requiring a new DT property is not fixing a kernel regression. You
> > should be returning the kernel to original behavior and then have a
> > new DT property for new behavior.
> 
> Hi Rob,
> please read the entire patch history starting from V1
>  and you will understand why this course of action was
>  not selected.

That's not going to happen, sorry, you need to explain it here, in this
patch series, why a specific action is being taken over another one, as
no one has time to go dig through past history, sorry.

thanks,

greg k-h