mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
To: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Randy Dunlap <randy.dunlap@oracle.com>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: Bugzilla # 16395: Regression in 2.6.35-rc4 since commit 0b28bac5aef7bd1ab213723df031e61db9ff151a on HP Mini 110 Netbook
Date: Wed, 14 Jul 2010 18:07:35 -0700	[thread overview]
Message-ID: <20100715010735.GA22418@core.coreip.homeip.net> (raw)
In-Reply-To: <4C3E59CD.7050901@lwfinger.net>

On Wed, Jul 14, 2010 at 07:43:57PM -0500, Larry Finger wrote:
> On 07/14/2010 07:07 PM, Dmitry Torokhov wrote:
> >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_CYes, AYMAN)&&  !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?
> 
> Yes. I got lost in the negative logic. Since !X86_MRST is false,
> then X86_MRST has to be defined. In fact, .config has
> CONFIG_X86_MRST=y.
> 

Good. HPA posted a patch series that should fix the problem, in the mean
time just disable Moorestown support - you do not need it anyway.

-- 
Dmitry

      reply	other threads:[~2010-07-15  1:07 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-14 23:58 Larry Finger
2010-07-15  0:07 ` Dmitry Torokhov
2010-07-15  0:43   ` Larry Finger
2010-07-15  1:07     ` Dmitry Torokhov [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20100715010735.GA22418@core.coreip.homeip.net \
    --to=dmitry.torokhov@gmail.com \
    --cc=Larry.Finger@lwfinger.net \
    --cc=linux-kernel@vger.kernel.org \
    --cc=randy.dunlap@oracle.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®