[MIPS] PCI: Make dev pointer argument of pcibios_map_irq const.

This is to break the code of people who think they are supposed to scribble
into the pci device structure - it's off limits.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/mips/pci/fixup-tx4938.c b/arch/mips/pci/fixup-tx4938.c
index f455520ada88..2485f47dfe6f 100644
--- a/arch/mips/pci/fixup-tx4938.c
+++ b/arch/mips/pci/fixup-tx4938.c
@@ -69,7 +69,7 @@ int pci_get_irq(struct pci_dev *dev, int pin)
         return irq;
 }
 
-int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 {
         unsigned char irq = 0;