linux-kernel - Re: [PATCH] Override 80-wire cable detection for Toshiba S1800-814

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Message-Id: <200708300731.20336.a1426z@gawab.com>
Date:	Thu, 30 Aug 2007 07:31:20 +0300
From:	Al Boldi <a1426z@...ab.com>
To:	linux-kernel@...r.kernel.org
Cc:	dex@...gonslave.de
Subject: Re: [PATCH] Override 80-wire cable detection for Toshiba S1800-814

Alan Cox wrote:
> Daniel Exner <dex@...gonslave.de> wrote:
>> Attached patch will add above mentioned Laptop Model to whitelist for both 
>> pata_ali and alim15x3, as it is correctly detected as 40-wire connected
>> but this cable is short enough to still do transfers higher than UDMA33.
>
> Looks good to me - does need a Signed-off-by: line however

Wow!  I have been running 80wire cable detection override on 40wire cables 
for quite some time without any problem, but I never thought it to be legal 
if the 40wire cable length is short enough.

How short does it have to be, and can't we have a kernel bootparm to override 
the cable detection?


Thanks!

--
Al

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