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From: Jeff Garzik <jgarzik@pobox.com>
To: Tejun Heo <htejun@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>, linux-ide@vger.kernel.org
Subject: Re: [PATCH RESEND] libata: always use polling IDENTIFY
Date: Sun, 03 Dec 2006 07:58:37 -0500	[thread overview]
Message-ID: <4572C9FD.7040108@pobox.com> (raw)
In-Reply-To: <20061203123413.GA9027@htj.dyndns.org>

Tejun Heo wrote:
> libata switched to IRQ-driven IDENTIFY when IRQ-driven PIO was
> introduced.  This has caused a lot of problems including device
> misdetection and phantom device.
> 
> ATA_FLAG_DETECT_POLLING was added recently to selectively use polling
> IDENTIFY on problemetic drivers but many controllers and devices are
> affected by this problem and trying to adding ATA_FLAG_DETECT_POLLING
> for each such case is diffcult and not very rewarding.
> 
> This patch makes libata always use polling IDENTIFY.  This is
> consistent with libata's original behavior and drivers/ide's behavior.
> 
> Signed-off-by: Tejun Heo <htejun@gmail.com>

applied




  reply	other threads:[~2006-12-03 12:58 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-12-03 10:30 [PATCH] libata: always use polling IDENTIFY Tejun Heo
2006-12-03 11:14 ` Jeff Garzik
2006-12-03 12:34 ` [PATCH RESEND] " Tejun Heo
2006-12-03 12:58   ` Jeff Garzik [this message]
2006-12-03 12:56 ` [PATCH] " Alan
2006-12-03 13:02   ` Jeff Garzik

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