ISA DMA controller hangs

[Pierre Ossman]

I've been having some problems with ISA DMA transfers failing. They work
fine until the machine does a suspend-to-ram. After that all DMA
transfers stall. Does perhaps the DMA controller need a kick in the ***
after a suspend? I'm no expert on the ISA DMA controller so I could use
some help here.

Rgds
Pierre
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