Commit 605e44d6 authored May 20, 2013 by Benjamin Herrenschmidt

powerpc/powernv: Fix condition for when to invalidate the TCE cache



We use two flags, one to indicate an invalidation is needed after
creating a new entry and one to indicate an invalidation is needed
after removing an entry. However we were testing the wrong flag
in the remove case.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

parent bee7dd9c

arch/powerpc/platforms/powernv/pci.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -367,7 +367,7 @@ static void pnv_tce_free(struct iommu_table *tbl, long index, long npages)
		while (npages--)
		*(tcep++) = 0;

		if (tbl->it_type & TCE_PCI_SWINV_CREATE)
		if (tbl->it_type & TCE_PCI_SWINV_FREE)
		pnv_pci_ioda_tce_invalidate(tbl, tces, tcep - 1);
		}