powerpc: Fix assmption of end_of_DRAM() returns end address

[sfrench/cifs-2.6.git] / arch / powerpc / platforms / 85xx / p1022_ds.c

diff --git a/arch/powerpc/platforms/85xx/p1022_ds.c b/arch/powerpc/platforms/85xx/p1022_ds.c
index f700c81a1321ca2de222b6f1561408e454094204..74e310b4b460b3ddba96b336014bb74e1b642591 100644 (file)
--- a/arch/powerpc/platforms/85xx/p1022_ds.c
+++ b/arch/powerpc/platforms/85xx/p1022_ds.c
@@ -450,7 +450,7 @@ static void __init p1022_ds_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;