From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Ryan Mack <lists@mackman.net>
Cc: Markus Plail <linux-kernel@gitteundmarkus.de>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: 2.4.21 ServerWorks DMA Bugs
Date: 06 Jul 2003 08:40:38 +0100 [thread overview]
Message-ID: <1057477237.700.6.camel@dhcp22.swansea.linux.org.uk> (raw)
In-Reply-To: <Pine.LNX.4.53.0307050956060.2029@mackman.net>
On Sad, 2003-07-05 at 17:58, Ryan Mack wrote:
> That at least explains the lack of DMA, but why does non-DMA IO result in
> such significant clock skew?
Because for PIO we default to I/O with IRQ blocked (which is needed for
some older 486 type hardware). I really should make setup_pci set the
unmask flag
> Also, does anybody know what the status of the failure to recognize higher
> UDMA modes on the CSB5 chipset? Is there a working patch out there?
CSB5 UDMA works properly to all my knowledge
next prev parent reply other threads:[~2003-07-06 7:28 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-05 6:45 Ryan Mack
2003-07-05 6:49 ` Andre Hedrick
2003-07-05 7:21 ` Markus Plail
2003-07-05 16:58 ` Ryan Mack
2003-07-05 17:07 ` Jeff Garzik
2003-07-06 7:40 ` Alan Cox [this message]
2003-07-06 9:06 ` Tomas Szepe
2003-07-06 9:10 ` Alan Cox
2003-07-06 11:10 ` Tomas Szepe
2003-07-06 11:38 ` Alan Cox
2003-07-06 16:42 ` Vojtech Pavlik
2003-07-06 17:49 ` Alan Cox
2003-07-07 0:42 ` Andre Hedrick
2003-07-07 3:42 ` Tomas Szepe
2003-07-07 6:42 ` Alan Cox
2003-07-07 8:49 ` Tomas Szepe
2003-07-07 8:13 ` Andre Hedrick
2003-07-07 8:17 ` Andre Hedrick
2003-07-07 8:45 ` Tomas Szepe
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