Merge tag 'misc-habanalabs-next-2020-05-25' of git://people.freedesktop.org/~gabbayo/linux into char-misc-next

Oded writes:

This tag contains the following changes for kernel 5.8:

- Improve MMU cache invalidation code and handle case where the
  invalidation doesn't finish in a reasonable time.

- Remove the option to perform soft-reset to GAUDI. Soft-reset is where the
  driver only resets the compute and DMA engines of the ASIC. This is not
  relevant to GAUDI as we must also reset the NIC ports. And when we reset
  the NIC ports, we must also reset other stuff so we prefer to just do
  hard-reset (where we reset the entire ASIC except for PCIe).

- Fail the hard-reset procedure in case we still have user processes which
  have active file-descriptors on a device. Doing hard-reset in that case
  can result in a kernel panic because of gen_pool checks

- Don't initialize the default wait callback of dma_buf with the default
  wait function as that's the default...

* tag 'misc-habanalabs-next-2020-05-25' of git://people.freedesktop.org/~gabbayo/linux:
  habanalabs: handle MMU cache invalidation timeout
  habanalabs: don't allow hard reset with open processes
  habanalabs: GAUDI does not support soft-reset
  habanalabs: add print for soft reset due to event
  habanalabs: improve MMU cache invalidation code
  habanalabs: don't set default fence_ops->wait

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