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SubjectRe: [RFC 4/4] firewire: add mem1394
I wrote:
(ohci1394's programming of physical DMA filters)
> The else clause is BTW bogus [...], but this is only
> important if an IEEE 1394.1 bus bridge was present.

I had a closer look. Physical DMA _is_ reliably disabled for all nodes
(including nodes on bridged buses) if ohci1394 was loaded with phys_dma=0.
Stefan Richter
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