[PATCH v4 40/78] ncr5380: Introduce NCR5380_poll_politely2

SCSI bus protocol sometimes requires monitoring two related conditions simultaneously. Enhance NCR5380_poll_politely() for this purpose, and put it to use in the arbitration algorithm. It will also find use in pseudo DMA. Signed-off-by: Finn Thain Reviewed-by: Hannes Reinecke Tested-by: Ondrej

[PATCH v4 40/78] ncr5380: Introduce NCR5380_poll_politely2

SCSI bus protocol sometimes requires monitoring two related conditions simultaneously. Enhance NCR5380_poll_politely() for this purpose, and put it to use in the arbitration algorithm. It will also find use in pseudo DMA. Signed-off-by: Finn Thain Reviewed-by: Hannes