powerpc/powernv: TCE invalidation for PHB3

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The TCE should be invalidated while it's created or free'd. The
approach to do that for IODA1 and IODA2 compliant PHBs are different.
So the patch differentiate them with different functions called to
do that for IODA1 and IODA2 compliant PHBs. It's notable that the
PCI address is used to invalidate the corresponding TCE on IODA2
compliant PHB3.

Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

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This commit is contained in:

Gavin Shan 2013-04-25 19:21:00 +00:00 • committed by Benjamin Herrenschmidt

parent 137436c9a6

commit 4cce95508b

3 changed files with 90 additions and 49 deletions

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85

arch/powerpc/platforms/powernv/pci-ioda.c

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48

arch/powerpc/platforms/powernv/pci.c

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6

arch/powerpc/platforms/powernv/pci.h

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