From: Jeff Garzik <jeff@garzik.org>
To: Robert Hancock <hancockr@shaw.ca>
Cc: linux-kernel <linux-kernel@vger.kernel.org>, linux-ide@vger.kernel.org
Subject: Re: [PATCH] sata_sil: Greatly improve DMA support
Date: Sat, 19 May 2007 17:27:13 -0400 [thread overview]
Message-ID: <464F6BB1.9050609@garzik.org> (raw)
In-Reply-To: <464F2D83.6000506@shaw.ca>
Robert Hancock wrote:
> Jeff Garzik wrote:
>> Since Alan expressed a desire to see Large Block Transfer (LBT) support
>> in pata_sil680, I though I would re-post my patch for adding LBT support
>> to sata_sil.
>>
>> Silicon Image's Large Block Transfer (LBT) support is a vendor-specific
>> DMA scatter/gather engine, which enables 64-bit DMA addresses (where
>> supported by platform) and eliminates the annoying 64k DMA boundary
>> found in legacy PCI IDE BMDMA engines.
>
> Looks like it doesn't allow 64-bit DMA addresses, it only gets rid of
> the 64K boundary limitation.
rotfl. Boy am I dumb. I -thought- my patch, written months ago,
included that bit. But obviously it does not. Let's add that...
Jeff
next prev parent reply other threads:[~2007-05-19 21:27 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <fa.SqfRJHzGgf3m6sdJPwJTwHDPSuw@ifi.uio.no>
2007-05-19 17:01 ` [PATCH] sata_sil: Greatly improve DMA support Robert Hancock
2007-05-19 21:27 ` Jeff Garzik [this message]
2007-05-19 21:31 ` Jeff Garzik
2007-05-19 5:35 Jeff Garzik
2007-05-19 16:20 ` Indan Zupancic
2007-05-19 22:03 ` Jeff Garzik
2007-05-19 23:22 ` Indan Zupancic
2007-05-20 10:19 ` Tejun Heo
2007-05-20 13:38 ` Indan Zupancic
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