2 files changed, 4 insertions, 3 deletions

diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index f4195de4eb9d..4a811891dbe3 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -121,7 +121,7 @@ extern int allocate_resource(struct resource *root, struct resource *new,
                              resource_size_t size, resource_size_t min,
                              resource_size_t max, resource_size_t align,
                              resource_size_t (*alignf)(void *,
-                                                       struct resource *,
+                                                       const struct resource *,
                                                        resource_size_t,
                                                        resource_size_t),
                              void *alignf_data);
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 1bd9f52b24b8..449d51560fc2 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -592,7 +592,7 @@ int __must_check pcibios_enable_device(struct pci_dev *, int mask);
 char *pcibios_setup(char *str);
 
 /* Used only when drivers/pci/setup.c is used */
-resource_size_t pcibios_align_resource(void *, struct resource *,
+resource_size_t pcibios_align_resource(void *, const struct resource *,
                                 resource_size_t,
                                 resource_size_t);
 void pcibios_update_irq(struct pci_dev *, int irq);
@@ -828,7 +828,8 @@ int __must_check pci_bus_alloc_resource(struct pci_bus *bus,
                         struct resource *res, resource_size_t size,
                         resource_size_t align, resource_size_t min,
                         unsigned int type_mask,
-                        resource_size_t (*alignf)(void *, struct resource *,
+                        resource_size_t (*alignf)(void *,
+                                                  const struct resource *,
                                                   resource_size_t,
                                                   resource_size_t),
                         void *alignf_data);