[OpenBIOS] sparc esp scsi fixes

Blue Swirl blueswir1 at hotmail.com
Sat Aug 12 09:18:46 CEST 2006

>The ESP SCSI driver currently doesn't check whether a DMA requests has
>completed before checking its status. On older qemu versions this works ok
>because DMA happens instantly. On never qemu DMA can take an indeterminate
>amount of time ooto complete, just like on real hardware.
>The patch below waits for the controller to raise the DMA interrupt after
>initiating a DMA request.

Looks good to me. Please apply.

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