powerpc/85xx: Fix SWIOTLB initalization for MPC85xxMDS boards

The code inside '#ifdef CONFIG_QUICC_ENGINE' makes the
mpc85xx_mds_setup_arch() return early if no QE nodes present,
and so SWIOTLB is never initialized.

This patch fixes the issue by moving SWIOTLB code above
QE.

Signed-off-by: Anton Vorontsov <avorontsov@mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
index 8fe87fc..35ab2b4 100644 (file)
--- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
@@ -202,6 +202,14 @@ static void __init mpc85xx_mds_setup_arch(void)
        mpc85xx_smp_init();
 #endif
 
+#ifdef CONFIG_SWIOTLB
+       if (lmb_end_of_DRAM() > max) {
+               ppc_swiotlb_enable = 1;
+               set_pci_dma_ops(&swiotlb_dma_ops);
+               ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_swiotlb;
+       }
+#endif
+
 #ifdef CONFIG_QUICC_ENGINE
        np = of_find_compatible_node(NULL, NULL, "fsl,qe");
        if (!np) {
@@ -323,14 +331,6 @@ static void __init mpc85xx_mds_setup_arch(void)
 
        }
 #endif /* CONFIG_QUICC_ENGINE */
-
-#ifdef CONFIG_SWIOTLB
-       if (lmb_end_of_DRAM() > max) {
-               ppc_swiotlb_enable = 1;
-               set_pci_dma_ops(&swiotlb_dma_ops);
-               ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_swiotlb;
-       }
-#endif
 }