setup
Per the IODA2, TCEs must be invalidated after their settings
have been changed. Invalidate the cache after the address
is changed during TCE allocation when using pseudo DMA.
Signed-off-by: Timothy Pearson <tpear...@raptorengineering.com>
---
arch/powerpc/platforms/powernv/pci-dma.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/powerpc/platforms/powernv/pci-dma.c
b/arch/powerpc/platforms/powernv/pci-dma.c
index 237940a2a052..060dbc168401 100644
--- a/arch/powerpc/platforms/powernv/pci-dma.c
+++ b/arch/powerpc/platforms/powernv/pci-dma.c
@@ -42,8 +42,7 @@ static int dma_pseudo_bypass_select_tce(struct pnv_ioda_pe
*pe, phys_addr_t addr
new = cpu_to_be64(addr | TCE_PCI_READ | TCE_PCI_WRITE);
pe->tces[tce] = new;
mb();
- pe_info(pe, "allocating TCE %i 0x%016llx (old 0x%016llx)\n",
- tce, new, old);
+ pnv_pci_ioda2_tce_invalidate_pe(pe);
spin_unlock_irqrestore(&pe->tce_alloc_lock, flags);
return tce;
--
2.17.1
