diff options
Diffstat (limited to 'arch/powerpc/sysdev/fsl_pci.c')
| -rw-r--r-- | arch/powerpc/sysdev/fsl_pci.c | 22 |
1 files changed, 3 insertions, 19 deletions
diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c index 57e9aca53426..f32772063d13 100644 --- a/arch/powerpc/sysdev/fsl_pci.c +++ b/arch/powerpc/sysdev/fsl_pci.c @@ -377,7 +377,9 @@ static void setup_pci_atmu(struct pci_controller *hose) } if (hose->dma_window_size < mem) { -#ifndef CONFIG_SWIOTLB +#ifdef CONFIG_SWIOTLB + ppc_swiotlb_enable = 1; +#else pr_err("%s: ERROR: Memory size exceeds PCI ATMU ability to " "map - enable CONFIG_SWIOTLB to avoid dma errors.\n", name); @@ -1086,28 +1088,10 @@ static int fsl_pci_probe(struct platform_device *pdev) { int ret; struct device_node *node; -#ifdef CONFIG_SWIOTLB - struct pci_controller *hose; -#endif node = pdev->dev.of_node; ret = fsl_add_bridge(pdev, fsl_pci_primary == node); -#ifdef CONFIG_SWIOTLB - if (ret == 0) { - hose = pci_find_hose_for_OF_device(pdev->dev.of_node); - - /* - * if we couldn't map all of DRAM via the dma windows - * we need SWIOTLB to handle buffers located outside of - * dma capable memory region - */ - if (memblock_end_of_DRAM() - 1 > hose->dma_window_base_cur + - hose->dma_window_size) - ppc_swiotlb_enable = 1; - } -#endif - mpc85xx_pci_err_probe(pdev); return 0; |