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MIPS: make PCI_DMA_BUS_IS_PHYS=1 constant

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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>
This commit is contained in:
Sergey Ryazanov
2014-08-30 06:06:28 +04:00
committed by Ralf Baechle
parent 1e321fa917
commit e8b5325ca3
5 changed files with 4 additions and 20 deletions
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3
arch/mips/pci/pci.c
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@@ -83,9 +83,6 @@ static void pcibios_scanbus(struct pci_controller *hose)
LIST_HEAD(resources);
struct pci_bus *bus;
if (!hose->iommu)
PCI_DMA_BUS_IS_PHYS = 1;
if (hose->get_busno && pci_has_flag(PCI_PROBE_ONLY))
next_busno = (*hose->get_busno)();