linux-kernel - Re: [PATCH] sata_sil: Greatly improve DMA support

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Date:	Sat, 19 May 2007 11:01:55 -0600
From:	Robert Hancock <hancockr@...w.ca>
To:	Jeff Garzik <jeff@...zik.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Cc:	linux-ide@...r.kernel.org
Subject: Re: [PATCH] sata_sil: Greatly improve DMA support

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.

-- 
Robert Hancock      Saskatoon, SK, Canada
To email, remove "nospam" from hancockr@...pamshaw.ca
Home Page: http://www.roberthancock.com/

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