linux-kernel - Re: [PATCH] sp5100_tco: Remove code that may cause a boot failure

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Message-ID: <20130223144047.GA29325@kroah.com>
Date:	Sat, 23 Feb 2013 06:40:47 -0800
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Takahisa Tanaka <mc74hc00@...il.com>
Cc:	linux-watchdog@...r.kernel.org, Wim Van Sebroeck <wim@...ana.be>,
	Paul Menzel <paulepanter@...rs.sourceforge.net>,
	Arkadiusz Miskiewicz <arekm@...en.pl>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jonathan Nieder <jrnieder@...il.com>,
	linux-kernel@...r.kernel.org,
	Florian Mickler <florian@...kler.org>,
	Joseph Salisbury <joseph.salisbury@...onical.com>,
	Joseph Salisbury <josephtsalisbury@...il.com>,
	stable@...r.kernel.org
Subject: Re: [PATCH] sp5100_tco: Remove code that may cause a boot failure

On Sat, Feb 23, 2013 at 08:31:52PM +0900, Takahisa Tanaka wrote:
> The critical problem which can't boot OS until the power is completely
> cut off found on PC with SB700 chipset. This patch fix the problem, but,
> this patch prevents the sp5100_tco driver from using watchdog timer
> function of chipset on PC with SP5100 or SB7x0 chipset.
> 
> Re-programming the MMIO address registers for the watchdog timer must
> have generated the problem. However, I don't know root cause so far.
> So, I decided to remove the concerned codes.
> 
> Link: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1116835
> Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=43176
> 
> Signed-off-by: Takahisa Tanaka <mc74hc00@...il.com>
> ---
>  drivers/watchdog/sp5100_tco.c | 140 ++++--------------------------------------
>  drivers/watchdog/sp5100_tco.h |   2 +-
>  2 files changed, 14 insertions(+), 128 deletions(-)


<formletter>

This is not the correct way to submit patches for inclusion in the
stable kernel tree.  Please read Documentation/stable_kernel_rules.txt
for how to do this properly.

</formletter>
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