[v2,1/8] powerpc/eeh: Don't unfreeze PHB PE after reset
Michael Ellerman
mpe at ellerman.id.au
Wed Oct 21 22:41:43 AEDT 2015
On Thu, 2015-08-10 at 03:58:52 UTC, Gavin Shan wrote:
> On PowerNV platform, the PE is kept in frozen state until the PE
> reset is completed to avoid recursive EEH error caused by MMIO
> access during the period of EEH reset. The PE's frozen state is
> cleared after BARs of PCI device included in the PE are restored
> and enabled. However, we needn't clear the frozen state for PHB PE
> explicitly at this point as there is no real PE for PHB PE. As the
> PHB PE is always binding with PE#0, we actually clear PE#0, which
> is wrong. It doesn't incur any problem though.
>
> This checks if the PE is PHB PE and doesn't clear the frozen state
> if it is.
>
> Signed-off-by: Gavin Shan <gwshan at linux.vnet.ibm.com>
Series applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/527d10ef3a315d3cb9dc098d
cheers
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