linux-kernel - Re: Bugzilla # 16395: Regression in 2.6.35-rc4 since commit 0b28bac5aef7bd1ab213723df031e61db9ff151a on HP Mini 110 Netbook

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Date:	Wed, 14 Jul 2010 17:07:35 -0700
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Larry Finger <Larry.Finger@...inger.net>
Cc:	Randy Dunlap <randy.dunlap@...cle.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: Bugzilla # 16395: Regression in 2.6.35-rc4 since commit 0b28bac5aef7bd1ab213723df031e61db9ff151a on HP Mini 110 Netbook

On Wednesday, July 14, 2010 04:58:39 pm Larry Finger wrote:
> Since the commit in the title, a kernel built on an HP Mini 110 Netbook no
> longer has keyboard input. The main difference is that CONFIG_SERIO_I8042
> is no longer defined. When this equal yes, the keyboard works. The faulty
> commit was located by bisection and has been verified by reverting the
> patch.
> 
> Further investigation shows that the faulty hunk is
> 
> diff --git a/drivers/input/serio/Kconfig b/drivers/input/serio/Kconfig
> index 3bfe8fa..256b9e9 100644
> --- a/drivers/input/serio/Kconfig
> +++ b/drivers/input/serio/Kconfig
> @@ -22,7 +22,7 @@ config SERIO_I8042
>          tristate "i8042 PC Keyboard controller" if EMBEDDED || !X86
>          default y
>          depends on !PARISC && (!ARM || ARCH_SHARK || FOOTBRIDGE_HOST) && \
> -                  (!SUPERH || SH_CAYMAN) && !M68K && !BLACKFIN
> +                  (!SUPERH || SH_CAYMAN) && !M68K && !BLACKFIN &&
> !X86_MRST help
>            i8042 is the chip over which the standard AT keyboard and PS/2
>            mouse are connected to the computer. If you use these devices,
> 
> Reverting this one hunk alone results in a working system. Obviously, this
> Netbook does not have X86_MRST set.


You meant to say "does have CONFIG_X86_MRST set", right?

Thanks.

-- 
Dmitry
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