linux-kernel - Re: ahci driver cannot suspend a CF card, ata

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Date:	Fri, 19 Apr 2013 23:14:36 +0800
From:	Aaron Lu <aaron.lwe@...il.com>
To:	Boszormenyi Zoltan <zboszor@...hu>
CC:	lkml <linux-kernel@...r.kernel.org>,
	Jeff Garzik <jgarzik@...ox.com>, linux-ide@...r.kernel.org
Subject: Re: ahci driver cannot suspend a CF card, ata_piix can

On 04/16/2013 07:58 PM, Boszormenyi Zoltan wrote:
> Hi,
>
> The SATA interface can be switched between AHCI and legacy modes as usual:
>
> 00:1f.2 SATA controller: Intel Corporation NM10/ICH7 Family SATA
> Controller [AHCI mode] (rev 02)
>
> The device attached to the SATA controller is always a CF card via a
> SiI3811 Serial ATA to Parallel ATA Device Bridge based converter board.

Can you please attach a normal sata disk and try again with the
controller set to AHCI mode? I suspect it may be the SiI3811 bridge that
caused this command.

Thanks,
Aaron

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