constify struct pci_dev * in obvious cases

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/alpha/include/asm/machvec.h b/arch/alpha/include/asm/machvec.h
index 13cd4274381..72dbf235927 100644
--- a/arch/alpha/include/asm/machvec.h
+++ b/arch/alpha/include/asm/machvec.h
@@ -90,7 +90,7 @@ struct alpha_machine_vector
         void (*kill_arch)(int);
 
         u8 (*pci_swizzle)(struct pci_dev *, u8 *);
-        int (*pci_map_irq)(struct pci_dev *, u8, u8);
+        int (*pci_map_irq)(const struct pci_dev *, u8, u8);
         struct pci_ops *pci_ops;
 
         struct _alpha_agp_info *(*agp_info)(void);