MIPS: make PCI_DMA_BUS_IS_PHYS=1 constant

No one of supported MIPS machines has an IOMMU unit, so we can safely define
PCI_DMA_BUS_IS_PHYS = 1. Also remove iommu flag from the pci controller
structure, since it is useless.

Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
Cc: Linux MIPS <linux-mips@linux-mips.org>
Patchwork: https://patchwork.linux-mips.org/patch/7604/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 0 insertions, 1 deletions

diff --git a/arch/mips/pci/pci-ip32.c b/arch/mips/pci/pci-ip32.c
index b1e061f7fdc7..7ae89d0c7099 100644
--- a/arch/mips/pci/pci-ip32.c
+++ b/arch/mips/pci/pci-ip32.c
@@ -116,7 +116,6 @@ static struct pci_controller mace_pci_controller = {
         .pci_ops        = &mace_pci_ops,
         .mem_resource   = &mace_pci_mem_resource,
         .io_resource    = &mace_pci_io_resource,
-        .iommu          = 0,
         .mem_offset     = MACE_PCI_MEM_OFFSET,
         .io_offset      = 0,
         .io_map_base    = CKSEG1ADDR(MACEPCI_LOW_IO),