1 files changed, 1 insertions, 1 deletions

diff --git a/arch/powerpc/platforms/85xx/ge_imp3a.c b/arch/powerpc/platforms/85xx/ge_imp3a.c
index 18014629416d..b6a728b0a8ca 100644
--- a/arch/powerpc/platforms/85xx/ge_imp3a.c
+++ b/arch/powerpc/platforms/85xx/ge_imp3a.c
@@ -125,7 +125,7 @@ static void __init ge_imp3a_setup_arch(void)
         mpc85xx_smp_init();
 
 #ifdef CONFIG_SWIOTLB
-        if (memblock_end_of_DRAM() > max) {
+        if ((memblock_end_of_DRAM() - 1) > max) {
                 ppc_swiotlb_enable = 1;
                 set_pci_dma_ops(&swiotlb_dma_ops);
                 ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_swiotlb;