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From: Tejun Heo <htejun@gmail.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Stanislav Brabec <sbrabec@novell.com>,
	jeff@garzik.org, bzolnier@gmail.com, paul@paulbristow.net,
	linux-ide@vger.kernel.org
Subject: Re: regression: ide-floppy doesn't work with IOMEGA IDE ZIP	drive
Date: Tue, 13 Mar 2007 23:24:47 +0900	[thread overview]
Message-ID: <45F6B42F.80004@gmail.com> (raw)
In-Reply-To: <20070313134231.3d1a0263@lxorguk.ukuu.org.uk>

Alan Cox wrote:
>> It seems ide-floppy needs some special handlings in interrupt handling
>> too like delaying data transfer by several ticks after device indicates
>> readiness.  Apart from separate high level driver, we might have to
>> modify libata HSM implementation if we're gonna support these devices.
> 
> The data transfer delay may well be down to the DMA bug

I see.

>> Can someone more knowledgeable explain what needs to be done differently
>> from standard ATAPI for these devices?
> 
> In theory not a lot if anything. I don't have a ZIP drive but have got an
> old Iomega Clik! PCMCIA drive somewhere if you need an ide-floppy device
> Tejun.

If you've got a spare one, that would be great but otherwise I think
you're much better qualified for libata ide-floppy support. :-)

Thanks.

-- 
tejun

  reply	other threads:[~2007-03-13 14:24 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-13 11:17 regression: ide-floppy doesn't work with IOMEGA IDE ZIP drive Stanislav Brabec
2007-03-13 12:14 ` Tejun Heo
2007-03-13 13:42   ` Alan Cox
2007-03-13 14:24     ` Tejun Heo [this message]
  -- strict thread matches above, loose matches on Subject: below --
2007-03-14 10:19 Stanislav Brabec
2007-03-14 11:58 ` Tejun Heo
2007-03-14 13:30   ` Mark Lord
2007-03-14 13:48     ` Tejun Heo
2007-03-14 17:42     ` Jeff Garzik
2007-03-14 13:42 ` Bartlomiej Zolnierkiewicz
2007-03-14 13:44   ` Tejun Heo
2007-03-14 18:27     ` Mark Lord
2007-03-15  2:08       ` Tejun Heo
     [not found] ` <45F80841.EMEA5.EMEA5-1.100.1396E6E.1.3873.1@1:7.EMEA5.EMEA5-1.100.0.1.0.1@16>
2007-03-14 20:41   ` Stanislav Brabec
2007-03-15  4:29     ` Albert Lee
2007-03-15 19:58     ` Bartlomiej Zolnierkiewicz
2007-03-12 12:23 Tejun Heo
2007-03-12 13:27 ` Sergei Shtylyov
2007-03-13 11:50   ` Bartlomiej Zolnierkiewicz
2007-03-12 14:05 ` Jeff Garzik
2007-03-14  8:03   ` Albert Lee
2007-03-14  8:15     ` Tejun Heo
2007-03-14  9:01       ` Albert Lee

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