"powerpc/powernv/pci: Rework accessing the TCE invalidate register"
broke TCE invalidation on IODA2/PHB3 for real mode.
This makes invalidate work again.
Fixes: fd141d1a99a3
Signed-off-by: Alexey Kardashevskiy <a...@ozlabs.ru>
---
arch/powerpc/platforms/powernv/pci-ioda.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c
b/arch/powerpc/platforms/powernv/pci-ioda.c
index 53b56c0..59c7e7d 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -1877,7 +1877,7 @@ static void pnv_pci_phb3_tce_invalidate(struct
pnv_ioda_pe *pe, bool rm,
unsigned shift, unsigned long index,
unsigned long npages)
{
- __be64 __iomem *invalidate = pnv_ioda_get_inval_reg(pe->phb, false);
+ __be64 __iomem *invalidate = pnv_ioda_get_inval_reg(pe->phb, rm);
unsigned long start, end, inc;
/* We'll invalidate DMA address in PE scope */
@@ -1935,10 +1935,12 @@ static void pnv_pci_ioda2_tce_invalidate(struct
iommu_table *tbl,
pnv_pci_phb3_tce_invalidate(pe, rm, shift,
index, npages);
else if (rm)
+ {
opal_rm_pci_tce_kill(phb->opal_id,
OPAL_PCI_TCE_KILL_PAGES,
pe->pe_number, 1u << shift,
index << shift, npages);
+ }
else
opal_pci_tce_kill(phb->opal_id,
OPAL_PCI_TCE_KILL_PAGES,
--
2.5.0.rc3
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