linux-kernel - Re: [PATCH] ata_piix: add Asus Eee 701 controller to short cable list

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Date:	Thu, 24 Apr 2008 15:48:11 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Dan McGee <dpmcgee@...il.com>
Cc:	htejun@...il.com, jeff@...zik.org, linux-kernel@...r.kernel.org,
	Dan McGee <dpmcgee@...il.com>
Subject: Re: [PATCH] ata_piix: add Asus Eee 701 controller to short cable
 list

On Sun, 20 Apr 2008 22:03:27 -0500
Dan McGee <dpmcgee@...il.com> wrote:

> The drive is directly soldered to the controller, so there is no cable at
> all. Remove the 40-wire assumption so the drive can operate at max speed.
> 
> Before patch:
> $ dd if=/dev/sda of=/dev/null bs=2M count=64 iflag=direct
> 134217728 bytes (134 MB) copied, 5.29612 s, 25.3 MB/s
> 
> After patch:
> $ dd if=/dev/sda of=/dev/null bs=2M count=64 iflag=direct
> 134217728 bytes (134 MB) copied, 3.94955 s, 34.0 MB/s
> 
> Signed-off-by: Dan McGee <dpmcgee@...il.com>

Acked-by: Alan Cox <alan@...hat.com>
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