linux-kernel - Re: [PATCH v16 1/4] tty: goldfish: introduce gf_ioread32()/gf

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Date:   Thu, 7 Apr 2022 08:18:35 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Laurent Vivier <laurent@...ier.eu>
Cc:     linux-kernel@...r.kernel.org,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        linux-m68k@...ts.linux-m68k.org,
        Jiaxun Yang <jiaxun.yang@...goat.com>,
        linux-rtc@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        John Stultz <john.stultz@...aro.org>,
        Stephen Boyd <sboyd@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Alessandro Zummo <a.zummo@...ertech.it>, stable@...r.kernel.org
Subject: Re: [PATCH v16 1/4] tty: goldfish: introduce
 gf_ioread32()/gf_iowrite32()

On Thu, Apr 07, 2022 at 08:00:08AM +0200, Laurent Vivier wrote:
> Le 07/04/2022 à 06:48, Greg KH a écrit :
> > On Wed, Apr 06, 2022 at 10:15:20PM +0200, Laurent Vivier wrote:
> > > Revert
> > > commit da31de35cd2f ("tty: goldfish: use __raw_writel()/__raw_readl()")
> > > 
> > > and define gf_ioread32()/gf_iowrite32() to be able to use accessors
> > > defined by the architecture.
> > > 
> > > Cc: stable@...r.kernel.org # v5.11+
> > > Fixes: da31de35cd2f ("tty: goldfish: use __raw_writel()/__raw_readl()")
> > > Signed-off-by: Laurent Vivier <laurent@...ier.eu>
> > > Reviewed-by: Geert Uytterhoeven <geert@...ux-m68k.org>
> > > ---
> > >   drivers/tty/goldfish.c   | 20 ++++++++++----------
> > >   include/linux/goldfish.h | 15 +++++++++++----
> > >   2 files changed, 21 insertions(+), 14 deletions(-)
> > > 
> > 
> > Why is this a commit for the stable trees?  What bug does it fix?  You
> > did not describe the problem in the changelog text at all, this looks
> > like a housekeeping change only.
> 
> Arnd asked for that in:
> 
>   Re: [PATCH v11 2/5] tty: goldfish: introduce gf_ioread32()/gf_iowrite32()
>   https://lore.kernel.org/lkml/CAK8P3a1oN8NrUjkh2X8jHQbyz42Xo6GSa=5n0gD6vQcXRjmq1Q@mail.gmail.com/

You did not provide a reason in this changelog to explain any of that :(