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

Alexey Kardashevskiy aik at ozlabs.ru
Mon Jul 2 17:42:05 AEST 2018


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 at ozlabs.ru>
---
 arch/powerpc/platforms/powernv/pci-ioda.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index 5bd0eb6..557c11d 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -2925,7 +2925,7 @@ static unsigned long pnv_ioda_parse_tce_sizes(struct pnv_phb *phb)
 		/* 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;
 	}
 
-- 
2.11.0



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