Alistair Popple 1b2c2b1238 powerpc/powernv/npu: Don't explicitly flush nmmu tlb
The nest mmu required an explicit flush as a tlbi would not flush it in the
same way as the core. However an alternate firmware fix exists which should
eliminate the need for this flush, so instead add a device-tree property
(ibm,nmmu-flush) on the NVLink2 PHB to enable it only if required.

Signed-off-by: Alistair Popple <alistair@popple.id.au>
Reviewed-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2017-11-13 08:00:30 +11:00
..
2017-09-09 14:48:21 -07:00
2017-09-22 13:09:11 -10:00
2017-09-15 12:47:21 -07:00
2017-09-13 11:52:18 -07:00