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Date: Mon, 16 Jan 2012 21:26:40 +0000
From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>, Lin Ming <ming.m.lin@intel.com>,
        Jeff Garzik <jeff@garzik.org>,
        Andrew Morton <akpm@linux-foundation.org>, linux-ide@vger.kernel.org,
        LKML <linux-kernel@vger.kernel.org>
Subject: Re: [git patches] libata updates for 3.3
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On Mon, Jan 16, 2012 at 12:02:32PM -0800, Linus Torvalds wrote:
> On Mon, Jan 16, 2012 at 11:54 AM, Alan Cox <alan@lxorguk.ukuu.org.uk> wrote:
> >
> > Just ping Matthew about
> >
> > http://www.codon.org.uk/~mjg59/tmp/ahci_quirk_cleanup.diff
> 
> Hmm. This with just a setup option to enable it might well be good
> enough. No need for whitelists/blacklists, since we couldn't maintain
> those sanely anyway.
> 
> Matthew?

Last time I tested it it wasn't dealing well with setting up combination 
mode for devices with optical media, and I don't have much hardware 
lying around which still uses piix. But if I can find some time I'll dig 
something up and see if it still works. Or, if anyone else wants to do 
the same...

> Googling shows that there's a few old bugreports for this too (big
> surprise: macs):

Macs will come up with ahci if you boot via EFI rather than the BIOS 
compatibility module.

-- 
Matthew Garrett | mjg59@srcf.ucam.org