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From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
To: Michael Ellerman <mpe@ellerman.id.au>
Cc: linux-input@vger.kernel.org,
	Nathan Chancellor <natechancellor@gmail.com>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
	clang-built-linux@googlegroups.com,
	kbuild test robot <lkp@intel.com>
Subject: Re: [PATCH] input: i8042: Remove special PowerPC handling
Date: Wed, 20 May 2020 10:16:18 -0700	[thread overview]
Message-ID: <20200520171618.GT89269@dtor-ws> (raw)
In-Reply-To: <87ftbv87i3.fsf@mpe.ellerman.id.au>

Hi Michael,

On Wed, May 20, 2020 at 04:07:00PM +1000, Michael Ellerman wrote:
> [ + Dmitry & linux-input ]
> 
> Nathan Chancellor <natechancellor@gmail.com> writes:
> > This causes a build error with CONFIG_WALNUT because kb_cs and kb_data
> > were removed in commit 917f0af9e5a9 ("powerpc: Remove arch/ppc and
> > include/asm-ppc").
> >
> > ld.lld: error: undefined symbol: kb_cs
> >> referenced by i8042-ppcio.h:28 (drivers/input/serio/i8042-ppcio.h:28)
> >> input/serio/i8042.o:(__i8042_command) in archive drivers/built-in.a
> >> referenced by i8042-ppcio.h:28 (drivers/input/serio/i8042-ppcio.h:28)
> >> input/serio/i8042.o:(__i8042_command) in archive drivers/built-in.a
> >> referenced by i8042-ppcio.h:28 (drivers/input/serio/i8042-ppcio.h:28)
> >> input/serio/i8042.o:(__i8042_command) in archive drivers/built-in.a
> >
> > ld.lld: error: undefined symbol: kb_data
> >> referenced by i8042.c:309 (drivers/input/serio/i8042.c:309)
> >> input/serio/i8042.o:(__i8042_command) in archive drivers/built-in.a
> >> referenced by i8042-ppcio.h:33 (drivers/input/serio/i8042-ppcio.h:33)
> >> input/serio/i8042.o:(__i8042_command) in archive drivers/built-in.a
> >> referenced by i8042.c:319 (drivers/input/serio/i8042.c:319)
> >> input/serio/i8042.o:(__i8042_command) in archive drivers/built-in.a
> >> referenced 15 more times
> >
> > Presumably since nobody has noticed this for the last 12 years, there is
> > not anyone actually trying to use this driver so we can just remove this
> > special walnut code and use the generic header so it builds for all
> > configurations.
> >
> > Fixes: 917f0af9e5a9 ("powerpc: Remove arch/ppc and include/asm-ppc")
> > Reported-by: kbuild test robot <lkp@intel.com>
> > Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
> > ---
> >  drivers/input/serio/i8042-ppcio.h | 57 -------------------------------
> >  drivers/input/serio/i8042.h       |  2 --
> >  2 files changed, 59 deletions(-)
> >  delete mode 100644 drivers/input/serio/i8042-ppcio.h
> 
> This LGTM.
> 
> Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
> 
> I assumed drivers/input/serio would be pretty quiet, but there's
> actually some commits to it in linux-next. So perhaps this should go via
> the input tree.
> 
> Dmitry do you want to take this, or should I take it via powerpc?
> 
> Original patch is here:
>   https://lore.kernel.org/lkml/20200518181043.3363953-1-natechancellor@gmail.com

I'm fine with you taking it through powerpc.

Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

Also, while I have your attention ;), could you please ack or take
https://lore.kernel.org/lkml/20191002214854.GA114387@dtor-ws/ as I
believe this is the last user or input_polled_dev API and I would like
to drop it from the tree.

Thanks!

-- 
Dmitry

  reply	other threads:[~2020-05-20 17:16 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-14  0:13 ld.lld: error: undefined symbol: kb_cs kbuild test robot
2020-05-14  3:01 ` Nathan Chancellor
2020-05-18 13:20   ` Remove WALNUT hacks in serio/i8042 (was Re: ld.lld: error: undefined symbol: kb_cs) Michael Ellerman
2020-05-18 18:10     ` [PATCH] input: i8042: Remove special PowerPC handling Nathan Chancellor
2020-05-20  6:07       ` Michael Ellerman
2020-05-20 17:16         ` Dmitry Torokhov [this message]
2020-05-21  7:39           ` Michael Ellerman
2020-06-09  5:29       ` Michael Ellerman

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