[Skiboot] [PATCH skiboot v3] npu: Implement FLR
stewart at linux.vnet.ibm.com
Thu Apr 27 16:54:55 AEST 2017
Alexey Kardashevskiy <aik at ozlabs.ru> writes:
> As the comment in npu_dev_populate_pcie_cap() says,
> "We should support FLR" and the NPU device advertises its
> support. However, when the kernel issues FLR, skiboot does
> nothing which leaves NPU in a state which does not allow
> to use NV links again after GPU was reset.
> This adds basic handling of FLR (function level reset).
> This does not update hreset/freset handlers as they are not going to be
> called under any circumstance - EEH is not supported for NPU and
> the kernel won't issue OPAL reset otherwise.
> Signed-off-by: Alexey Kardashevskiy <aik at ozlabs.ru>
> Acked-by: Alistair Popple <alistair at popple.id.au>
Thanks, merged to master as of b74841db759d33d6823a8f39603e07319b90103b
OPAL Architect, IBM.
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