linux-kernel - Re: [PATCH v9 03/10] serial: sc16is7xx: remove obsolete out

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Date:   Tue, 1 Aug 2023 13:29:59 -0400
From:   Hugo Villeneuve <hugo@...ovil.com>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     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>,
        Lech Perczak <lech.perczak@...lingroup.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>
Subject: Re: [PATCH v9 03/10] serial: sc16is7xx: remove obsolete out_thread
 label

On Mon, 31 Jul 2023 17:53:10 +0200
Greg KH <gregkh@...uxfoundation.org> wrote:

> On Tue, Jul 25, 2023 at 10:23:35AM -0400, Hugo Villeneuve wrote:
> > From: Hugo Villeneuve <hvilleneuve@...onoff.com>
> > 
> > Commit c8f71b49ee4d ("serial: sc16is7xx: setup GPIO controller later
> > in probe") moved GPIO setup code later in probe function. Doing so
> > also required to move ports cleanup code (out_ports label) after the
> > GPIO cleanup code.
> > 
> > After these moves, the out_thread label becomes misplaced and makes
> > part of the cleanup code illogical.
> > 
> > This patch remove the now obsolete out_thread label and make GPIO
> > setup code jump to out_ports label if it fails.
> > 
> > Fixes: c8f71b49ee4d ("serial: sc16is7xx: setup GPIO controller later in probe")
> > Signed-off-by: Hugo Villeneuve <hvilleneuve@...onoff.com>
> > Reviewed-by: Lech Perczak <lech.perczak@...lingroup.com>
> > Tested-by: Lech Perczak <lech.perczak@...lingroup.com>
> > Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>
> 
> Why is this not ok for stable kernels yet it has a Fixes: tag?
> 
> Please fix.
> 
> thanks,
> 
> greg k-h

Hi,
this is a somewhat particular case. It is a change that "fixes" some
previously unseen consequence in original commit, but that does not
result in any binary change in the end. That is why I decided not to
put in a "stable" tag.

If you want, maybe it would be simpler to remove the "Fixes" tag? I
originally put this tag to have a reference to the original commit, but
since it is already mentioned in the commit log message body, it can be
removed.

Hugo.