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ieee1394: sbp2: enforce 32bit DMA mapping
authorStefan Richter <stefanr@s5r6.in-berlin.de>
Sun, 4 Feb 2007 19:25:43 +0000 (20:25 +0100)
committerStefan Richter <stefanr@s5r6.in-berlin.de>
Sun, 29 Apr 2007 22:00:27 +0000 (00:00 +0200)
commit0555659d63c285ceb7ead3115532e1b71b0f27a7
tree45e8f594a9e8d738bd8966649433516790285df8tree | snapshot
parentf412bf440be2dfc0f0ded917410c599c002549e0commit | diff
ieee1394: sbp2: enforce 32bit DMA mapping

In order to use OHCI-1394 physical DMA, all s/g elements, s/g tables,
ORBs, and response buffers have to reside within the first 4 GB of the
FireWire controller's physical address space.  Set the correct mask for
DMA mappings.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
drivers/ieee1394/sbp2.c diff | blob | history
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