I have tested with generic 2.6.20.2 on on x86 (XEON)
platform and a similiar (but not exactly same) 2.6.20.x 
(git tree from Freescale) for my target CPU: MPC8548E

Its exactly the same SATA chip - the only difference
between 7042 & 6042 is the PCI bridge interface.

In the case of 6042 - its a PCI to PCI Bridge
In the case of 7042 - its a PCI to PCI Express Bridge

I do not believe there is any other difference - except
the physical bus interface.

I should have 'said' this in the patch request...

Tom Morrison




-----Original Message-----
From: Jeff Garzik [mailto:[EMAIL PROTECTED]
Sent: Tue 3/6/2007 7:01 AM
To: [EMAIL PROTECTED]
Cc: [email protected]; Morrison, Tom
Subject: Re: [patch 26/30] Support for Marvell 7042 Chip
 
[EMAIL PROTECTED] wrote:
> From: "Morrison, Tom" <[EMAIL PROTECTED]>
> 
> Added Support for Marvell 7042 Chip - 7042 has same capabilities & behavior
> as 6042.
> 
> Signed-off-by: Thomas A. Morrison <[EMAIL PROTECTED]>
> Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
> ---
> 
>  drivers/ata/sata_mv.c |    3 +++
>  1 file changed, 3 insertions(+)

applied, although it's questionable whether this works at all on PCI-Express



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