From: Andrew Morton <akpm@zip.com.au>
To: "Kevin P. Fleming" <kevin@labsysgrp.com>,
lkml <linux-kernel@vger.kernel.org>,
Grant <gcoady@bendigo.net.au>
Subject: Re: [CFT] Bus mastering support for IDE CDROM audio
Date: Sat, 26 Jan 2002 22:41:26 -0800 [thread overview]
Message-ID: <3C53A116.81432588@zip.com.au> (raw)
In-Reply-To: <3C5119E0.6E5C45B6@zip.com.au> <000701c1a5d5$812ef580$6caaa8c0@kevin> <3C53711B.F8D89811@zip.com.au>
Andrew Morton wrote:
>
> "Kevin P. Fleming" wrote:
> >
> > When reading from the N drive, get lots of "cdrom_pc_intr: read too
> > little data 0 < 2352",
>
> OK, thanks Kevin (Dan, Kristian, Grant..)
>
> Seems that some devices simply terminate their DMA in a normal
> manner, report no errors and don't tell us how much data they
> transferred. From my reading of the ATA spec, they're allowed
> to do that - they only need to report the transfer byte count
> in PIO mode.
>
There's an updated patch at
http://www.zip.com.au/~akpm/linux/2.4/2.4.18-pre7/ide-akpm.patch
It now supports multi-frame transfers and should fix the problem
which you observed.
-
next prev parent reply other threads:[~2002-01-27 6:49 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-01-25 8:40 [CFT] Bus mastering support for IDE CDROM audio Andrew Morton
2002-01-25 19:21 ` Kevin P. Fleming
2002-01-27 2:13 ` Dan Chen
2002-01-27 3:16 ` Andrew Morton
2002-01-27 6:41 ` Andrew Morton [this message]
2002-01-27 9:11 ` Kristian
2002-01-27 10:19 ` Kristian
2002-01-27 19:54 ` Ed Sweetman
2002-01-28 8:29 ` Andrew Morton
2002-01-28 9:51 ` benh
2002-01-28 9:51 ` Andrew Morton
2002-01-28 15:50 ` Ed Sweetman
2002-01-28 17:13 ` Kristian
2002-01-28 13:51 ` Kristian
2002-01-28 19:21 ` Kevin P. Fleming
2002-01-26 8:43 ` Dan Chen
2002-01-26 12:03 ` Kristian
2002-01-27 21:21 ` Robert Love
2002-01-27 21:25 ` Jens Axboe
2002-01-27 21:36 ` Andrew Morton
2002-01-27 21:40 ` Robert Love
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