1 files changed, 4 insertions, 4 deletions

diff --git a/drivers/char/agp/agp.h b/drivers/char/agp/agp.h
index 9bd68d9f0f59..fdbca25a3948 100644
--- a/drivers/char/agp/agp.h
+++ b/drivers/char/agp/agp.h
@@ -93,12 +93,12 @@ struct aper_size_info_fixed {
 
 struct agp_bridge_driver {
         struct module *owner;
-        void *aperture_sizes;
+        const void *aperture_sizes;
         int num_aperture_sizes;
         enum aper_size_type size_type;
         int cant_use_aperture;
         int needs_scratch_page;
-        struct gatt_mask *masks;
+        const struct gatt_mask *masks;
         int (*fetch_size)(void);
         int (*configure)(void);
         void (*agp_enable)(struct agp_bridge_data *, u32);
@@ -119,7 +119,7 @@ struct agp_bridge_driver {
 
 struct agp_bridge_data {
         const struct agp_version *version;
-        struct agp_bridge_driver *driver;
+        const struct agp_bridge_driver *driver;
         struct vm_operations_struct *vm_ops;
         void *previous_size;
         void *current_size;
@@ -290,7 +290,7 @@ void agp3_generic_cleanup(void);
 
 /* aperture sizes have been standardised since v3 */
 #define AGP_GENERIC_SIZES_ENTRIES 11
-extern struct aper_size_info_16 agp3_generic_sizes[];
+extern const struct aper_size_info_16 agp3_generic_sizes[];
 
 #define virt_to_gart(x) (phys_to_gart(virt_to_phys(x)))
 #define gart_to_virt(x) (phys_to_virt(gart_to_phys(x)))