[PATCH v3] powerpc/xics: Work around limitations of OPAL XICS priority handling

[Michael Ellerman]

Benjamin Herrenschmidt <benh at au1.ibm.com> writes:

> On Sat, 2017-03-04 at 23:03 +1100, Michael Ellerman wrote:
>> +
>> +       /* Allow "sufficient" time to drop any inflight IRQ's */
>> +       mdelay(1);
>> +
>
> According to the HW guys, that should be 5ms in case the powerbus is
> really really busy.

Is that a metric or imperial "really really" ?  :D

I'll fold in a change to 5ms, and rebase because it's going to stable.

cheers