Thread (3 messages) 3 messages, 2 authors, 2007-05-19

Re: [PATCH] sata_sil: Greatly improve DMA support

From: Jeff Garzik <hidden>
Date: 2007-05-19 21:27:24
Also in: lkml

Robert Hancock wrote:
Jeff Garzik wrote:
quoted
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


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