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
next prev parent 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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