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 <avoront...@mvista.com> --- arch/powerpc/platforms/85xx/mpc85xx_mds.c | 16 ++++++++-------- 1 files changed, 8 insertions(+), 8 deletions(-) diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c index 8fe87fc..35ab2b4 100644 --- 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 } -- 1.7.0.5 _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev