diff --git a/drivers/char/agp/agp.h b/drivers/char/agp/agp.h
index 9bd68d9..fdbca25 100644
--- a/drivers/char/agp/agp.h
+++ b/drivers/char/agp/agp.h
@@ -93,12 +93,12 @@
 
 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_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 @@
 
 /* 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)))
diff --git a/drivers/char/agp/ali-agp.c b/drivers/char/agp/ali-agp.c
index 98177a9..5b684fd 100644
--- a/drivers/char/agp/ali-agp.c
+++ b/drivers/char/agp/ali-agp.c
@@ -182,7 +182,7 @@
 
 /* Setup function */
 
-static struct aper_size_info_32 ali_generic_sizes[7] =
+static const struct aper_size_info_32 ali_generic_sizes[7] =
 {
 	{256, 65536, 6, 10},
 	{128, 32768, 5, 9},
@@ -193,7 +193,7 @@
 	{4, 1024, 0, 3}
 };
 
-static struct agp_bridge_driver ali_generic_bridge = {
+static const struct agp_bridge_driver ali_generic_bridge = {
 	.owner			= THIS_MODULE,
 	.aperture_sizes		= ali_generic_sizes,
 	.size_type		= U32_APER_SIZE,
@@ -217,7 +217,7 @@
 	.agp_type_to_mask_type  = agp_generic_type_to_mask_type,
 };
 
-static struct agp_bridge_driver ali_m1541_bridge = {
+static const struct agp_bridge_driver ali_m1541_bridge = {
 	.owner			= THIS_MODULE,
 	.aperture_sizes		= ali_generic_sizes,
 	.size_type		= U32_APER_SIZE,
diff --git a/drivers/char/agp/amd-k7-agp.c b/drivers/char/agp/amd-k7-agp.c
index 3d8d448..e6c534e 100644
--- a/drivers/char/agp/amd-k7-agp.c
+++ b/drivers/char/agp/amd-k7-agp.c
@@ -344,7 +344,7 @@
 	return 0;
 }
 
-static struct aper_size_info_lvl2 amd_irongate_sizes[7] =
+static const struct aper_size_info_lvl2 amd_irongate_sizes[7] =
 {
 	{2048, 524288, 0x0000000c},
 	{1024, 262144, 0x0000000a},
@@ -355,12 +355,12 @@
 	{32, 8192, 0x00000000}
 };
 
-static struct gatt_mask amd_irongate_masks[] =
+static const struct gatt_mask amd_irongate_masks[] =
 {
 	{.mask = 1, .type = 0}
 };
 
-static struct agp_bridge_driver amd_irongate_driver = {
+static const struct agp_bridge_driver amd_irongate_driver = {
 	.owner			= THIS_MODULE,
 	.aperture_sizes		= amd_irongate_sizes,
 	.size_type		= LVL2_APER_SIZE,
diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c
index 636d984..4857204 100644
--- a/drivers/char/agp/amd64-agp.c
+++ b/drivers/char/agp/amd64-agp.c
@@ -192,7 +192,7 @@
 }
 
 
-static struct aper_size_info_32 amd_8151_sizes[7] =
+static const struct aper_size_info_32 amd_8151_sizes[7] =
 {
 	{2048, 524288, 9, 0x00000000 },	/* 0 0 0 0 0 0 */
 	{1024, 262144, 8, 0x00000400 },	/* 1 0 0 0 0 0 */
@@ -232,7 +232,7 @@
 }
 
 
-static struct agp_bridge_driver amd_8151_driver = {
+static const struct agp_bridge_driver amd_8151_driver = {
 	.owner			= THIS_MODULE,
 	.aperture_sizes		= amd_8151_sizes,
 	.size_type		= U32_APER_SIZE,
diff --git a/drivers/char/agp/ati-agp.c b/drivers/char/agp/ati-agp.c
index 77c9ad6..780e59e 100644
--- a/drivers/char/agp/ati-agp.c
+++ b/drivers/char/agp/ati-agp.c
@@ -24,7 +24,7 @@
 #define ATI_GART_CACHE_ENTRY_CNTRL	0x10
 
 
-static struct aper_size_info_lvl2 ati_generic_sizes[7] =
+static const struct aper_size_info_lvl2 ati_generic_sizes[7] =
 {
 	{2048, 524288, 0x0000000c},
 	{1024, 262144, 0x0000000a},
@@ -410,7 +410,7 @@
 	return 0;
 }
 
-static struct agp_bridge_driver ati_generic_bridge = {
+static const struct agp_bridge_driver ati_generic_bridge = {
 	.owner			= THIS_MODULE,
 	.aperture_sizes		= ati_generic_sizes,
 	.size_type		= LVL2_APER_SIZE,
diff --git a/drivers/char/agp/efficeon-agp.c b/drivers/char/agp/efficeon-agp.c
index 658cb1a..df8da72 100644
--- a/drivers/char/agp/efficeon-agp.c
+++ b/drivers/char/agp/efficeon-agp.c
@@ -59,7 +59,7 @@
 	unsigned long l1_table[EFFICEON_L1_SIZE];
 } efficeon_private;
 
-static struct gatt_mask efficeon_generic_masks[] =
+static const struct gatt_mask efficeon_generic_masks[] =
 {
 	{.mask = 0x00000001, .type = 0}
 };
@@ -70,7 +70,7 @@
 	return addr | 0x00000001;
 }
 
-static struct aper_size_info_lvl2 efficeon_generic_sizes[4] =
+static const struct aper_size_info_lvl2 efficeon_generic_sizes[4] =
 {
 	{256, 65536, 0},
 	{128, 32768, 32},
@@ -309,7 +309,7 @@
 }
 
 
-static struct agp_bridge_driver efficeon_driver = {
+static const struct agp_bridge_driver efficeon_driver = {
 	.owner			= THIS_MODULE,
 	.aperture_sizes		= efficeon_generic_sizes,
 	.size_type		= LVL2_APER_SIZE,
diff --git a/drivers/char/agp/generic.c b/drivers/char/agp/generic.c
index 7923337..f902d71 100644
--- a/drivers/char/agp/generic.c
+++ b/drivers/char/agp/generic.c
@@ -1340,7 +1340,7 @@
 }
 EXPORT_SYMBOL(agp3_generic_cleanup);
 
-struct aper_size_info_16 agp3_generic_sizes[AGP_GENERIC_SIZES_ENTRIES] =
+const struct aper_size_info_16 agp3_generic_sizes[AGP_GENERIC_SIZES_ENTRIES] =
 {
 	{4096, 1048576, 10,0x000},
 	{2048,  524288, 9, 0x800},
diff --git a/drivers/char/agp/hp-agp.c b/drivers/char/agp/hp-agp.c
index 847deab..79f7c01 100644
--- a/drivers/char/agp/hp-agp.c
+++ b/drivers/char/agp/hp-agp.c
@@ -419,7 +419,7 @@
 	agp_device_command(command, (mode & AGP8X_MODE) != 0);
 }
 
-struct agp_bridge_driver hp_zx1_driver = {
+struct const agp_bridge_driver hp_zx1_driver = {
 	.owner			= THIS_MODULE,
 	.size_type		= FIXED_APER_SIZE,
 	.configure		= hp_zx1_configure,
diff --git a/drivers/char/agp/i460-agp.c b/drivers/char/agp/i460-agp.c
index 3e76186..1cde376 100644
--- a/drivers/char/agp/i460-agp.c
+++ b/drivers/char/agp/i460-agp.c
@@ -78,7 +78,7 @@
 	} *lp_desc;
 } i460;
 
-static struct aper_size_info_8 i460_sizes[3] =
+static const struct aper_size_info_8 i460_sizes[3] =
 {
 	/*
 	 * The 32GB aperture is only available with a 4M GART page size.  Due to the
@@ -550,7 +550,7 @@
 		| (((addr & ~((1 << I460_IO_PAGE_SHIFT) - 1)) & 0xfffff000) >> 12);
 }
 
-struct agp_bridge_driver intel_i460_driver = {
+struct const agp_bridge_driver intel_i460_driver = {
 	.owner			= THIS_MODULE,
 	.aperture_sizes		= i460_sizes,
 	.size_type		= U8_APER_SIZE,
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index 06b0bb6..e542a62 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -63,7 +63,7 @@
 #define INTEL_I7505_AGPCTRL	0x70
 #define INTEL_I7505_MCHCFG	0x50
 
-static struct aper_size_info_fixed intel_i810_sizes[] =
+static const struct aper_size_info_fixed intel_i810_sizes[] =
 {
 	{64, 16384, 4},
 	/* The 32M mode still requires a 64k gatt */
@@ -1365,18 +1365,18 @@
 }
 
 /* Setup function */
-static struct gatt_mask intel_generic_masks[] =
+static const struct gatt_mask intel_generic_masks[] =
 {
 	{.mask = 0x00000017, .type = 0}
 };
 
-static struct aper_size_info_8 intel_815_sizes[2] =
+static const struct aper_size_info_8 intel_815_sizes[2] =
 {
 	{64, 16384, 4, 0},
 	{32, 8192, 3, 8},
 };
 
-static struct aper_size_info_8 intel_8xx_sizes[7] =
+static const struct aper_size_info_8 intel_8xx_sizes[7] =
 {
 	{256, 65536, 6, 0},
 	{128, 32768, 5, 32},
@@ -1387,7 +1387,7 @@
 	{4, 1024, 0, 63}
 };
 
-static struct aper_size_info_16 intel_generic_sizes[7] =
+static const struct aper_size_info_16 intel_generic_sizes[7] =
 {
 	{256, 65536, 6, 0},
 	{128, 32768, 5, 32},
@@ -1398,7 +1398,7 @@
 	{4, 1024, 0, 63}
 };
 
-static struct aper_size_info_8 intel_830mp_sizes[4] =
+static const struct aper_size_info_8 intel_830mp_sizes[4] =
 {
 	{256, 65536, 6, 0},
 	{128, 32768, 5, 32},
@@ -1406,7 +1406,7 @@
 	{32, 8192, 3, 56}
 };
 
-static struct agp_bridge_driver intel_generic_driver = {
+static const struct agp_bridge_driver intel_generic_driver = {
 	.owner			= THIS_MODULE,
 	.aperture_sizes		= intel_generic_sizes,
 	.size_type		= U16_APER_SIZE,
@@ -1430,7 +1430,7 @@
 	.agp_type_to_mask_type  = agp_generic_type_to_mask_type,
 };
 
-static struct agp_bridge_driver intel_810_driver = {
+static const struct agp_bridge_driver intel_810_driver = {
 	.owner			= THIS_MODULE,
 	.aperture_sizes		= intel_i810_sizes,
 	.size_type		= FIXED_APER_SIZE,
@@ -1455,7 +1455,7 @@
 	.agp_type_to_mask_type  = agp_generic_type_to_mask_type,
 };
 
-static struct agp_bridge_driver intel_815_driver = {
+static const struct agp_bridge_driver intel_815_driver = {
 	.owner			= THIS_MODULE,
 	.aperture_sizes		= intel_815_sizes,
 	.size_type		= U8_APER_SIZE,
@@ -1479,7 +1479,7 @@
 	.agp_type_to_mask_type  = agp_generic_type_to_mask_type,
 };
 
-static struct agp_bridge_driver intel_830_driver = {
+static const struct agp_bridge_driver intel_830_driver = {
 	.owner			= THIS_MODULE,
 	.aperture_sizes		= intel_i830_sizes,
 	.size_type		= FIXED_APER_SIZE,
@@ -1504,7 +1504,7 @@
 	.agp_type_to_mask_type  = intel_i830_type_to_mask_type,
 };
 
-static struct agp_bridge_driver intel_820_driver = {
+static const struct agp_bridge_driver intel_820_driver = {
 	.owner			= THIS_MODULE,
 	.aperture_sizes		= intel_8xx_sizes,
 	.size_type		= U8_APER_SIZE,
@@ -1528,7 +1528,7 @@
 	.agp_type_to_mask_type  = agp_generic_type_to_mask_type,
 };
 
-static struct agp_bridge_driver intel_830mp_driver = {
+static const struct agp_bridge_driver intel_830mp_driver = {
 	.owner			= THIS_MODULE,
 	.aperture_sizes		= intel_830mp_sizes,
 	.size_type		= U8_APER_SIZE,
@@ -1552,7 +1552,7 @@
 	.agp_type_to_mask_type  = agp_generic_type_to_mask_type,
 };
 
-static struct agp_bridge_driver intel_840_driver = {
+static const struct agp_bridge_driver intel_840_driver = {
 	.owner			= THIS_MODULE,
 	.aperture_sizes		= intel_8xx_sizes,
 	.size_type		= U8_APER_SIZE,
@@ -1576,7 +1576,7 @@
 	.agp_type_to_mask_type  = agp_generic_type_to_mask_type,
 };
 
-static struct agp_bridge_driver intel_845_driver = {
+static const struct agp_bridge_driver intel_845_driver = {
 	.owner			= THIS_MODULE,
 	.aperture_sizes		= intel_8xx_sizes,
 	.size_type		= U8_APER_SIZE,
@@ -1600,7 +1600,7 @@
 	.agp_type_to_mask_type  = agp_generic_type_to_mask_type,
 };
 
-static struct agp_bridge_driver intel_850_driver = {
+static const struct agp_bridge_driver intel_850_driver = {
 	.owner			= THIS_MODULE,
 	.aperture_sizes		= intel_8xx_sizes,
 	.size_type		= U8_APER_SIZE,
@@ -1624,7 +1624,7 @@
 	.agp_type_to_mask_type  = agp_generic_type_to_mask_type,
 };
 
-static struct agp_bridge_driver intel_860_driver = {
+static const struct agp_bridge_driver intel_860_driver = {
 	.owner			= THIS_MODULE,
 	.aperture_sizes		= intel_8xx_sizes,
 	.size_type		= U8_APER_SIZE,
@@ -1648,7 +1648,7 @@
 	.agp_type_to_mask_type  = agp_generic_type_to_mask_type,
 };
 
-static struct agp_bridge_driver intel_915_driver = {
+static const struct agp_bridge_driver intel_915_driver = {
 	.owner			= THIS_MODULE,
 	.aperture_sizes		= intel_i830_sizes,
 	.size_type		= FIXED_APER_SIZE,
@@ -1673,7 +1673,7 @@
 	.agp_type_to_mask_type  = intel_i830_type_to_mask_type,
 };
 
-static struct agp_bridge_driver intel_i965_driver = {
+static const struct agp_bridge_driver intel_i965_driver = {
        .owner                  = THIS_MODULE,
        .aperture_sizes         = intel_i830_sizes,
        .size_type              = FIXED_APER_SIZE,
@@ -1698,7 +1698,7 @@
        .agp_type_to_mask_type  = intel_i830_type_to_mask_type,
 };
 
-static struct agp_bridge_driver intel_7505_driver = {
+static const struct agp_bridge_driver intel_7505_driver = {
 	.owner			= THIS_MODULE,
 	.aperture_sizes		= intel_8xx_sizes,
 	.size_type		= U8_APER_SIZE,
diff --git a/drivers/char/agp/nvidia-agp.c b/drivers/char/agp/nvidia-agp.c
index 2563286..0c9dab5 100644
--- a/drivers/char/agp/nvidia-agp.c
+++ b/drivers/char/agp/nvidia-agp.c
@@ -272,7 +272,7 @@
 }
 
 
-static struct aper_size_info_8 nvidia_generic_sizes[5] =
+static const struct aper_size_info_8 nvidia_generic_sizes[5] =
 {
 	{512, 131072, 7, 0},
 	{256, 65536, 6, 8},
@@ -283,13 +283,13 @@
 };
 
 
-static struct gatt_mask nvidia_generic_masks[] =
+static const struct gatt_mask nvidia_generic_masks[] =
 {
 	{ .mask = 1, .type = 0}
 };
 
 
-static struct agp_bridge_driver nvidia_driver = {
+static const struct agp_bridge_driver nvidia_driver = {
 	.owner			= THIS_MODULE,
 	.aperture_sizes		= nvidia_generic_sizes,
 	.size_type		= U8_APER_SIZE,
diff --git a/drivers/char/agp/parisc-agp.c b/drivers/char/agp/parisc-agp.c
index b7b4590..36d07e36 100644
--- a/drivers/char/agp/parisc-agp.c
+++ b/drivers/char/agp/parisc-agp.c
@@ -210,7 +210,7 @@
 	agp_device_command(command, (mode & AGP8X_MODE) != 0);
 }
 
-struct agp_bridge_driver parisc_agp_driver = {
+struct const agp_bridge_driver parisc_agp_driver = {
 	.owner			= THIS_MODULE,
 	.size_type		= FIXED_APER_SIZE,
 	.configure		= parisc_agp_configure,
diff --git a/drivers/char/agp/sgi-agp.c b/drivers/char/agp/sgi-agp.c
index 92d1dc4..e12773a 100644
--- a/drivers/char/agp/sgi-agp.c
+++ b/drivers/char/agp/sgi-agp.c
@@ -247,7 +247,7 @@
 	return bridge;
 }
 
-struct agp_bridge_driver sgi_tioca_driver = {
+struct const agp_bridge_driver sgi_tioca_driver = {
 	.owner = THIS_MODULE,
 	.size_type = U16_APER_SIZE,
 	.configure = sgi_tioca_configure,
diff --git a/drivers/char/agp/sis-agp.c b/drivers/char/agp/sis-agp.c
index 60342b7..125f428 100644
--- a/drivers/char/agp/sis-agp.c
+++ b/drivers/char/agp/sis-agp.c
@@ -108,7 +108,7 @@
 	}
 }
 
-static struct aper_size_info_8 sis_generic_sizes[7] =
+static const struct aper_size_info_8 sis_generic_sizes[7] =
 {
 	{256, 65536, 6, 99},
 	{128, 32768, 5, 83},
diff --git a/drivers/char/agp/sworks-agp.c b/drivers/char/agp/sworks-agp.c
index 9f5ae77..55212a3 100644
--- a/drivers/char/agp/sworks-agp.c
+++ b/drivers/char/agp/sworks-agp.c
@@ -385,12 +385,12 @@
 	return 0;
 }
 
-static struct gatt_mask serverworks_masks[] =
+static const struct gatt_mask serverworks_masks[] =
 {
 	{.mask = 1, .type = 0}
 };
 
-static struct aper_size_info_lvl2 serverworks_sizes[7] =
+static const struct aper_size_info_lvl2 serverworks_sizes[7] =
 {
 	{2048, 524288, 0x80000000},
 	{1024, 262144, 0xc0000000},
@@ -423,7 +423,7 @@
 	agp_device_command(command, 0);
 }
 
-static struct agp_bridge_driver sworks_driver = {
+static const struct agp_bridge_driver sworks_driver = {
 	.owner			= THIS_MODULE,
 	.aperture_sizes		= serverworks_sizes,
 	.size_type		= LVL2_APER_SIZE,
diff --git a/drivers/char/agp/uninorth-agp.c b/drivers/char/agp/uninorth-agp.c
index 6c45702..292b4ad 100644
--- a/drivers/char/agp/uninorth-agp.c
+++ b/drivers/char/agp/uninorth-agp.c
@@ -460,7 +460,7 @@
 
 /* Setup function */
 
-static struct aper_size_info_32 uninorth_sizes[7] =
+static const struct aper_size_info_32 uninorth_sizes[7] =
 {
 #if 0 /* Not sure uninorth supports that high aperture sizes */
 	{256, 65536, 6, 64},
@@ -477,7 +477,7 @@
  * Not sure that u3 supports that high aperture sizes but it
  * would strange if it did not :)
  */
-static struct aper_size_info_32 u3_sizes[8] =
+static const struct aper_size_info_32 u3_sizes[8] =
 {
 	{512, 131072, 7, 128},
 	{256, 65536, 6, 64},
@@ -489,7 +489,7 @@
 	{4, 1024, 0, 1}
 };
 
-struct agp_bridge_driver uninorth_agp_driver = {
+struct const agp_bridge_driver uninorth_agp_driver = {
 	.owner			= THIS_MODULE,
 	.aperture_sizes		= (void *)uninorth_sizes,
 	.size_type		= U32_APER_SIZE,
@@ -514,7 +514,7 @@
 	.cant_use_aperture	= 1,
 };
 
-struct agp_bridge_driver u3_agp_driver = {
+struct const agp_bridge_driver u3_agp_driver = {
 	.owner			= THIS_MODULE,
 	.aperture_sizes		= (void *)u3_sizes,
 	.size_type		= U32_APER_SIZE,
diff --git a/drivers/char/agp/via-agp.c b/drivers/char/agp/via-agp.c
index 2e7c043..a2bb4ec 100644
--- a/drivers/char/agp/via-agp.c
+++ b/drivers/char/agp/via-agp.c
@@ -89,7 +89,7 @@
 }
 
 
-static struct aper_size_info_8 via_generic_sizes[9] =
+static const struct aper_size_info_8 via_generic_sizes[9] =
 {
 	{256, 65536, 6, 0},
 	{128, 32768, 5, 128},
@@ -170,7 +170,7 @@
 }
 
 
-static struct agp_bridge_driver via_agp3_driver = {
+static const struct agp_bridge_driver via_agp3_driver = {
 	.owner			= THIS_MODULE,
 	.aperture_sizes		= agp3_generic_sizes,
 	.size_type		= U8_APER_SIZE,
@@ -194,7 +194,7 @@
 	.agp_type_to_mask_type  = agp_generic_type_to_mask_type,
 };
 
-static struct agp_bridge_driver via_driver = {
+static const struct agp_bridge_driver via_driver = {
 	.owner			= THIS_MODULE,
 	.aperture_sizes		= via_generic_sizes,
 	.size_type		= U8_APER_SIZE,