linux-kernel - Re: [PATCH v9 06/10] serial: sc16is7xx: fix regression with GPIO configuration

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Message-ID: <CAHp75VdCqqZfQXRRWUkbDTf_gd3T60Stp+m59Q34iWxddLiG5g@mail.gmail.com>
Date:   Fri, 4 Aug 2023 00:04:29 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Hugo Villeneuve <hugo@...ovil.com>
Cc:     Greg KH <gregkh@...uxfoundation.org>, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        jirislaby@...nel.org, jringle@...dpoint.com,
        isaac.true@...onical.com, jesse.sung@...onical.com,
        l.perczak@...lintechnologies.com, tomasz.mon@...lingroup.com,
        linux-serial@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
        Hugo Villeneuve <hvilleneuve@...onoff.com>,
        stable@...r.kernel.org, Lech Perczak <lech.perczak@...lingroup.com>
Subject: Re: [PATCH v9 06/10] serial: sc16is7xx: fix regression with GPIO configuration

On Thu, Aug 3, 2023 at 5:18 PM Hugo Villeneuve <hugo@...ovil.com> wrote:
> On Mon, 31 Jul 2023 17:58:41 +0200
> Greg KH <gregkh@...uxfoundation.org> wrote:
> > On Tue, Jul 25, 2023 at 10:23:38AM -0400, Hugo Villeneuve wrote:

...

> > > Fixes: 679875d1d880 ("sc16is7xx: Separate GPIOs from modem control lines")
> > > Fixes: 21144bab4f11 ("sc16is7xx: Handle modem status lines")
> > > Cc: <stable@...r.kernel.org> # 6.1.x: 95982fad dt-bindings: sc16is7xx: Add property to change GPIO function
> > > Cc: <stable@...r.kernel.org> # 6.1.x: 1584d572 serial: sc16is7xx: refactor GPIO controller registration
> > > Cc: <stable@...r.kernel.org> # 6.1.x: ac2caa5a serial: sc16is7xx: remove obsolete out_thread label
> > > Cc: <stable@...r.kernel.org> # 6.1.x: d90961ad serial: sc16is7xx: mark IOCONTROL register as volatile
> > > Cc: <stable@...r.kernel.org> # 6.1.x: 6dae3bad serial: sc16is7xx: fix broken port 0 uart init
> >
> > Where are these git commit ids from?  I don't see them in Linus's tree,
> > how are they supposed to be picked up by the stable developers if they
> > are not valid ones?
> >
> > confused,

...

> I wrongly assumed that, for example, this patch had, as a prerequisite,
> all the patches before it in this series, and that is why I listed
> them.

The problem, as I understand it, is not that you listed them (how else
will the backporter know that this patch requires something else?) but
the format (you used wrong SHA-1 sums).

...

> So I will remove them all, since this patch doesn't have any other
> requisites other than the previous patches in this series.
>
> Maybe it would be good to add some notes about that in
> stable-kernel-rules.rst?

This probably is a good idea. Briefly looking at it I see no examples
like yours there.

-- 
With Best Regards,
Andy Shevchenko