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From: Tejun Heo <htejun@gmail.com>
To: Soeren Sonnenburg <sonne@nn7.de>
Cc: Matteo Croce <rootkit85@yahoo.it>, linux-ide@vger.kernel.org
Subject: Re: [PATCH] AHCI PCI ID for MacBook Pro
Date: Sat, 10 Feb 2007 12:10:17 -0500	[thread overview]
Message-ID: <45CDFC79.1040301@gmail.com> (raw)
In-Reply-To: <1171123622.31813.9.camel@localhost>

Soeren Sonnenburg wrote:
> I don't get it. Why is it rejected then ? If I'd like to use the ahci
> mode of the ich7 r/m driver I just compile it into the kernel, else the
> piix ?!

Well, it's probably okay if you know what you want but when ich's are 
present, most distributions choose to load both ahci and ata_piix while 
usually preferring ahci.  That should generally work.  If BIOS didn't 
set it up properly, ahci will fail to load then ata_piix is loaded 
instead.  The thing is that BIOSen are weird and it's quite possible 
that switching to ahci mode might have other side effects.  For one, 
ACPI methods could have been written assuming certain mode and 
suspend/resume might choke if the controller is put into different mode 
from what BIOS has configured.

-- 
tejun

  reply	other threads:[~2007-02-10 17:10 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-08 17:33 [PATCH] AHCI PCI ID for MacBook Pro Root Kit
2007-02-09  9:33 ` Tejun Heo
2007-02-09 14:27   ` Matteo Croce
2007-02-09 14:54     ` David M. Lloyd
2007-02-09 17:39       ` Matteo Croce
2007-02-09 18:15         ` David M. Lloyd
2007-02-09 18:51           ` Matteo Croce
2007-02-10 10:22           ` Soeren Sonnenburg
2007-02-10 14:03         ` Tejun Heo
2007-02-10 16:07           ` Soeren Sonnenburg
2007-02-10 17:10             ` Tejun Heo [this message]
2007-02-11 15:40           ` David M. Lloyd
2007-02-09 15:45   ` Soeren Sonnenburg
2007-02-09 17:41     ` Matteo Croce
2007-02-10 10:19       ` Soeren Sonnenburg
2007-02-10 13:17         ` Tejun Heo
2007-02-10 16:03           ` Soeren Sonnenburg
2007-02-10 17:17             ` Tejun Heo

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