From: Jeff Garzik <jgarzik@pobox.com>
To: Tejun Heo <htejun@gmail.com>
Cc: linux-ide@vger.kernel.org
Subject: Re: [PATCH] ata_piix: fix ghost device probing by honoring PCS present bits
Date: Sat, 19 Aug 2006 17:35:23 -0400 [thread overview]
Message-ID: <44E7841B.6050004@pobox.com> (raw)
In-Reply-To: <20060810052347.GC6371@htj.dyndns.org>
Tejun Heo wrote:
> Move out PCS handling from piix_sata_prereset() into
> piix_sata_present_mask() and use it from newly implemented
> piix_sata_softreset(). Class codes for devices which are indicated to
> be absent by PCS are cleared to ATA_DEV_NONE. This fixes ghost device
> problem reported on ICH6 and 7 (and probably 8).
>
> This patch moves PCS handling from prereset to softreset, which makes
> ata_piix perform softreset even when PCS indicates no device.
>
> Signed-off-by: Tejun Heo <htejun@gmail.com>
ACK, but doesn't apply to upstream-fixes
next prev parent reply other threads:[~2006-08-19 21:35 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-10 5:23 [PATCH] ata_piix: fix ghost device probing by honoring PCS present bits Tejun Heo
2006-08-17 7:52 ` Unicorn Chang
2006-08-19 21:35 ` Jeff Garzik [this message]
2006-08-20 6:27 ` Tejun Heo
2006-08-20 8:56 ` [RESEND][PATCH] " Tejun Heo
-- strict thread matches above, loose matches on Subject: below --
2006-05-29 11:55 [PATCH] " Tejun Heo
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