commit 00c376fdd7ed6cc083da3a3c51a63a75f270d647
author Alexey Kardashevskiy <aik@ozlabs.ru> Mon Jul 02 17:42:05 2018 +1000
committer Michael Ellerman <mpe@ellerman.id.au> Wed Jul 04 22:41:09 2018 +1000
tree 13a0647a510356571d5e971346a4696da772d4d9
parent 8950329c4a64c6d3ca0bc34711a1afbd9ce05657

powerpc/powernv/ioda2: Add 256M IOMMU page size to the default POWER8 case

The sketchy bypass uses 256M pages so add this page size as well.

This should cause no behavioral change but will be used later.

Fixes: 477afd6ea6 "powerpc/ioda: Use ibm,supported-tce-sizes for IOMMU page size mask"
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

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

diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index 94ec58c..e7f2bee 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -2925,7 +2925,7 @@
 		/* Add 16M for POWER8 by default */
 		if (cpu_has_feature(CPU_FTR_ARCH_207S) &&
 				!cpu_has_feature(CPU_FTR_ARCH_300))
-			mask |= SZ_16M;
+			mask |= SZ_16M | SZ_256M;
 		return mask;
 	}