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From: Paul Fulghum <paulkf@microgate.com>
To: "Burkhard Schölpen" <bschoelpen@web.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: PCI DMA burst delay
Date: Thu, 29 Dec 2005 10:55:37 -0600	[thread overview]
Message-ID: <43B41509.1000507@microgate.com> (raw)
In-Reply-To: <395603262@web.de>

Burkhard Schölpen wrote:
> why I cannot get longer bursts than 512 Bits...

What value is written by the system into the
PCI configuration space of your device for
the latency timer?
(8 bits at offset 0x0d, units = clock cycles)

You can try setting that value in your
driver to a higher value.

-- 
Paul Fulghum
Microgate Systems, Ltd.

  reply	other threads:[~2005-12-29 16:55 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-12-29 16:03 PCI DMA burst delay Burkhard Schölpen
2005-12-29 16:55 ` Paul Fulghum [this message]
  -- strict thread matches above, loose matches on Subject: below --
2005-12-30 13:23 Burkhard Schölpen
2005-12-30 18:45 ` Robert Hancock
     [not found] <5p7gt-3lu-5@gated-at.bofh.it>
2005-12-29 18:40 ` Robert Hancock
2005-12-29 14:43 Burkhard Schölpen
2005-12-29 15:23 ` Paul Fulghum

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