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From: Jeff Garzik <jeff@garzik.org>
To: Tejun Heo <htejun@gmail.com>
Cc: IDE/ATA development list <linux-ide@vger.kernel.org>,
	mark.paulus@technologist.com, sveint@gmail.com,
	bug-track@fisher-privat.net
Subject: Re: [PATCH #upstream-fixes] sata_sil: fix spurious IRQ handling
Date: Mon, 17 Dec 2007 20:37:20 -0500	[thread overview]
Message-ID: <47672450.70703@garzik.org> (raw)
In-Reply-To: <4759DB17.9010505@gmail.com>

Tejun Heo wrote:
> Interestingly, sata_sil raises spurious interrupts if it's coupled
> with Sil SATA_PATA bridge.  Currently, sata_sil interrupt handler is
> strict about spurious interrupts and freezes the port when it occurs.
> This patch makes it more forgiving.
> 
> * On SATA PHY event interrupt, serror value is checked to see whether
>   it really is PHYRDY CHG event.  If not, SATA PHY event interrupt is
>   ignored.
> 
> * If ATA interrupt occurs while no command is in progress, it's
>   cleared and ignored.
> 
> This fixes bugzilla bug 9505.
> 
>   http://bugzilla.kernel.org/show_bug.cgi?id=9505
> 
> Signed-off-by: Tejun Heo <htejun@gmail.com>

applied #upstream-fixes



      parent reply	other threads:[~2007-12-18  1:37 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-12-07 23:45 [PATCH #upstream-fixes] sata_sil: fix spurious IRQ handling Tejun Heo
2007-12-07 23:47 ` [PATCH #upstream-fixes] libata: clear link->eh_info.serror from ata_std_postreset() Tejun Heo
2007-12-07 23:53   ` Jeff Garzik
2007-12-08  0:05     ` Tejun Heo
2007-12-18  1:37   ` Jeff Garzik
2007-12-18  1:37 ` Jeff Garzik [this message]

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