Re: [PATCH v3 21/77] ncr5380: Sleep when polling, if possible

[Hannes Reinecke]

On 12/22/2015 02:17 AM, Finn Thain wrote:
> When in process context, sleep during polling if doing so won't add
> significant latency. In interrupt context or if the lock is held, poll
> briefly then give up. Keep both core drivers in sync.
>
> Calibrate busy-wait iterations to allow for variation in chip register
> access times between different 5380 hardware implementations.
>
> Signed-off-by: Finn Thain <fthain@xxxxxxxxxxxxxxxxxxx>
Reviewed-by: Hannes Reinecke <hare@xxxxxxxx>

Cheers,

Hannes
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Dr. Hannes Reinecke		      zSeries & Storage
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