[PATCH 2.6.20] sata_nv: don't rely on NV_INT_DEV indication with ADMA

OK, here it is in full signed-off glory. Hopefully we can get this in for 2.6.20. --- Several people reported issues with certain drive commands timing out on sata_nv controllers running in ADMA mode. The commands in question were non-DMA-mapped commands, usually FLUSH CACHE or FLUSH CACHE

[PATCH 2.6.20] sata_nv: don't rely on NV_INT_DEV indication with ADMA

OK, here it is in full signed-off glory. Hopefully we can get this in for 2.6.20. --- Several people reported issues with certain drive commands timing out on sata_nv controllers running in ADMA mode. The commands in question were non-DMA-mapped commands, usually FLUSH CACHE or FLUSH CACHE