const void *aperture_sizes;
        int num_aperture_sizes;
        enum aper_size_type size_type;
-       int cant_use_aperture;
-       int needs_scratch_page;
+       bool cant_use_aperture;
+       bool needs_scratch_page;
        const struct gatt_mask *masks;
        int (*fetch_size)(void);
        int (*configure)(void);
 void agp_free_key(int key);
 int agp_num_entries(void);
 u32 agp_collect_device_status(struct agp_bridge_data *bridge, u32 mode, u32 command);
-void agp_device_command(u32 command, int agp_v3);
+void agp_device_command(u32 command, bool agp_v3);
 int agp_3_5_enable(struct agp_bridge_data *bridge);
 void global_cache_flush(void);
 void get_agp_version(struct agp_bridge_data *bridge);
 
        agp->mode.bits.enable = 1;
        agp->ops->configure(agp);
 
-       agp_device_command(agp->mode.lw, 0);
+       agp_device_command(agp->mode.lw, false);
 }
 
 static int alpha_core_agp_insert_memory(struct agp_memory *mem, off_t pg_start,
        .aperture_sizes         = alpha_core_agp_sizes,
        .num_aperture_sizes     = 1,
        .size_type              = FIXED_APER_SIZE,
-       .cant_use_aperture      = 1,
+       .cant_use_aperture      = true,
        .masks                  = NULL,
 
        .fetch_size             = alpha_core_agp_fetch_size,
 
                j++;
        }
 
-       if (mem->is_flushed == FALSE) {
+       if (!mem->is_flushed) {
                global_cache_flush();
-               mem->is_flushed = TRUE;
+               mem->is_flushed = true;
        }
 
        for (i = 0, j = pg_start; i < mem->page_count; i++, j++) {
 
                j++;
        }
 
-       if (mem->is_flushed == FALSE) {
+       if (!mem->is_flushed) {
                global_cache_flush();
-               mem->is_flushed = TRUE;
+               mem->is_flushed = true;
        }
 
        for (i = 0, j = pg_start; i < mem->page_count; i++, j++) {
 
                j++;
        }
 
-       if (mem->is_flushed == FALSE) {
+       if (!mem->is_flushed) {
                /*CACHE_FLUSH(); */
                global_cache_flush();
-               mem->is_flushed = TRUE;
+               mem->is_flushed = true;
        }
 
        for (i = 0, j = pg_start; i < mem->page_count; i++, j++) {
 
        if (type != 0 || mem->type != 0)
                return -EINVAL;
 
-       if (mem->is_flushed == FALSE) {
+       if (!mem->is_flushed) {
                global_cache_flush();
-               mem->is_flushed = TRUE;
+               mem->is_flushed = true;
        }
 
        last_page = NULL;
        .free_gatt_table        = efficeon_free_gatt_table,
        .insert_memory          = efficeon_insert_memory,
        .remove_memory          = efficeon_remove_memory,
-       .cant_use_aperture      = 0,    // 1 might be faster?
+       .cant_use_aperture      = false,        // true might be faster?
 
        // Generic
        .alloc_by_type          = agp_generic_alloc_by_type,
 
        if (curr == NULL)
                return;
 
-       if (curr->is_bound == TRUE)
+       if (curr->is_bound)
                agp_unbind_memory(curr);
 
        if (curr->type >= AGP_USER_TYPES) {
        if (curr == NULL)
                return -EINVAL;
 
-       if (curr->is_bound == TRUE) {
+       if (curr->is_bound) {
                printk(KERN_INFO PFX "memory %p is already bound!\n", curr);
                return -EINVAL;
        }
-       if (curr->is_flushed == FALSE) {
+       if (!curr->is_flushed) {
                curr->bridge->driver->cache_flush();
-               curr->is_flushed = TRUE;
+               curr->is_flushed = true;
        }
        ret_val = curr->bridge->driver->insert_memory(curr, pg_start, curr->type);
 
        if (ret_val != 0)
                return ret_val;
 
-       curr->is_bound = TRUE;
+       curr->is_bound = true;
        curr->pg_start = pg_start;
        return 0;
 }
        if (curr == NULL)
                return -EINVAL;
 
-       if (curr->is_bound != TRUE) {
+       if (!curr->is_bound) {
                printk(KERN_INFO PFX "memory %p was not bound!\n", curr);
                return -EINVAL;
        }
        if (ret_val != 0)
                return ret_val;
 
-       curr->is_bound = FALSE;
+       curr->is_bound = false;
        curr->pg_start = 0;
        return 0;
 }
 EXPORT_SYMBOL(agp_collect_device_status);
 
 
-void agp_device_command(u32 bridge_agpstat, int agp_v3)
+void agp_device_command(u32 bridge_agpstat, bool agp_v3)
 {
        struct pci_dev *device = NULL;
        int mode;
                        /* If we have 3.5, we can do the isoch stuff. */
                        if (bridge->minor_version >= 5)
                                agp_3_5_enable(bridge);
-                       agp_device_command(bridge_agpstat, TRUE);
+                       agp_device_command(bridge_agpstat, true);
                        return;
                } else {
                    /* Disable calibration cycle in RX91<1> when not in AGP3.0 mode of operation.*/
        }
 
        /* AGP v<3 */
-       agp_device_command(bridge_agpstat, FALSE);
+       agp_device_command(bridge_agpstat, false);
 }
 EXPORT_SYMBOL(agp_generic_enable);
 
                j++;
        }
 
-       if (mem->is_flushed == FALSE) {
+       if (!mem->is_flushed) {
                bridge->driver->cache_flush();
-               mem->is_flushed = TRUE;
+               mem->is_flushed = true;
        }
 
        for (i = 0, j = pg_start; i < mem->page_count; i++, j++) {
 
                j++;
        }
 
-       if (mem->is_flushed == FALSE) {
+       if (!mem->is_flushed) {
                global_cache_flush();
-               mem->is_flushed = TRUE;
+               mem->is_flushed = true;
        }
 
        for (i = 0, j = io_pg_start; i < mem->page_count; i++) {
        .agp_alloc_page         = agp_generic_alloc_page,
        .agp_destroy_page       = agp_generic_destroy_page,
        .agp_type_to_mask_type  = agp_generic_type_to_mask_type,
-       .cant_use_aperture      = 1,
+       .cant_use_aperture      = true,
 };
 
 static int __init
 
        .alloc_by_type          = agp_generic_alloc_by_type,
        .free_by_type           = agp_generic_free_by_type,
        .agp_type_to_mask_type  = agp_generic_type_to_mask_type,
-       .cant_use_aperture      = 1,
+       .cant_use_aperture      = true,
 };
 
 static int __devinit agp_intel_i460_probe(struct pci_dev *pdev,
 
        .aperture_sizes         = intel_i810_sizes,
        .size_type              = FIXED_APER_SIZE,
        .num_aperture_sizes     = 2,
-       .needs_scratch_page     = TRUE,
+       .needs_scratch_page     = true,
        .configure              = intel_i810_configure,
        .fetch_size             = intel_i810_fetch_size,
        .cleanup                = intel_i810_cleanup,
        .aperture_sizes         = intel_i830_sizes,
        .size_type              = FIXED_APER_SIZE,
        .num_aperture_sizes     = 4,
-       .needs_scratch_page     = TRUE,
+       .needs_scratch_page     = true,
        .configure              = intel_i830_configure,
        .fetch_size             = intel_i830_fetch_size,
        .cleanup                = intel_i830_cleanup,
        .aperture_sizes         = intel_i830_sizes,
        .size_type              = FIXED_APER_SIZE,
        .num_aperture_sizes     = 4,
-       .needs_scratch_page     = TRUE,
+       .needs_scratch_page     = true,
        .configure              = intel_i915_configure,
        .fetch_size             = intel_i9xx_fetch_size,
        .cleanup                = intel_i915_cleanup,
        .aperture_sizes         = intel_i830_sizes,
        .size_type              = FIXED_APER_SIZE,
        .num_aperture_sizes     = 4,
-       .needs_scratch_page     = TRUE,
+       .needs_scratch_page     = true,
        .configure              = intel_i915_configure,
        .fetch_size             = intel_i9xx_fetch_size,
        .cleanup                = intel_i915_cleanup,
        .aperture_sizes         = intel_i830_sizes,
        .size_type              = FIXED_APER_SIZE,
        .num_aperture_sizes     = 4,
-       .needs_scratch_page     = TRUE,
+       .needs_scratch_page     = true,
        .configure              = intel_i915_configure,
        .fetch_size             = intel_i9xx_fetch_size,
        .cleanup                = intel_i915_cleanup,
 
                        return -EBUSY;
        }
 
-       if (mem->is_flushed == FALSE) {
+       if (!mem->is_flushed) {
                global_cache_flush();
-               mem->is_flushed = TRUE;
+               mem->is_flushed = true;
        }
        for (i = 0, j = pg_start; i < mem->page_count; i++, j++) {
                writel(agp_bridge->driver->mask_memory(agp_bridge,
 
                j++;
        }
 
-       if (mem->is_flushed == FALSE) {
+       if (!mem->is_flushed) {
                global_cache_flush();
-               mem->is_flushed = TRUE;
+               mem->is_flushed = true;
        }
 
        for (i = 0, j = io_pg_start; i < mem->page_count; i++) {
        .agp_alloc_page         = agp_generic_alloc_page,
        .agp_destroy_page       = agp_generic_destroy_page,
        .agp_type_to_mask_type  = agp_generic_type_to_mask_type,
-       .cant_use_aperture      = 1,
+       .cant_use_aperture      = true,
 };
 
 static int __init
 
                j++;
        }
 
-       if (mem->is_flushed == FALSE) {
+       if (!mem->is_flushed) {
                bridge->driver->cache_flush();
-               mem->is_flushed = TRUE;
+               mem->is_flushed = true;
        }
 
        for (i = 0, j = pg_start; i < mem->page_count; i++, j++) {
        .agp_alloc_page = sgi_tioca_alloc_page,
        .agp_destroy_page = agp_generic_destroy_page,
        .agp_type_to_mask_type  = agp_generic_type_to_mask_type,
-       .cant_use_aperture = 1,
-       .needs_scratch_page = 0,
+       .cant_use_aperture = true,
+       .needs_scratch_page = false,
        .num_aperture_sizes = 1,
 };
 
 
                j++;
        }
 
-       if (mem->is_flushed == FALSE) {
+       if (!mem->is_flushed) {
                global_cache_flush();
-               mem->is_flushed = TRUE;
+               mem->is_flushed = true;
        }
 
        for (i = 0, j = pg_start; i < mem->page_count; i++, j++) {
                               bridge->capndx + PCI_AGP_COMMAND,
                               command);
 
-       agp_device_command(command, 0);
+       agp_device_command(command, false);
 }
 
 static const struct agp_bridge_driver sworks_driver = {
 
 
        if (uninorth_rev >= 0x30) {
                /* This is an AGP V3 */
-               agp_device_command(command, (status & AGPSTAT_MODE_3_0));
+               agp_device_command(command, (status & AGPSTAT_MODE_3_0) != 0);
        } else {
                /* AGP V2 */
-               agp_device_command(command, 0);
+               agp_device_command(command, false);
        }
 
        uninorth_tlbflush(NULL);
        .agp_alloc_page         = agp_generic_alloc_page,
        .agp_destroy_page       = agp_generic_destroy_page,
        .agp_type_to_mask_type  = agp_generic_type_to_mask_type,
-       .cant_use_aperture      = 1,
+       .cant_use_aperture      = true,
 };
 
 const struct agp_bridge_driver u3_agp_driver = {
        .agp_alloc_page         = agp_generic_alloc_page,
        .agp_destroy_page       = agp_generic_destroy_page,
        .agp_type_to_mask_type  = agp_generic_type_to_mask_type,
-       .cant_use_aperture      = 1,
-       .needs_scratch_page     = 1,
+       .cant_use_aperture      = true,
+       .needs_scratch_page     = true,
 };
 
 static struct agp_device_ids uninorth_agp_device_ids[] __devinitdata = {
 
 #ifndef _AGP_BACKEND_H
 #define _AGP_BACKEND_H 1
 
-#ifndef TRUE
-#define TRUE 1
-#endif
-
-#ifndef FALSE
-#define FALSE 0
-#endif
-
 enum chipset_type {
        NOT_SUPPORTED,
        SUPPORTED,
        size_t aper_size;
        int max_memory;         /* In pages */
        int current_memory;
-       int cant_use_aperture;
+       bool cant_use_aperture;
        unsigned long page_mask;
        struct vm_operations_struct *vm_ops;
 };
        off_t pg_start;
        u32 type;
        u32 physical;
-       u8 is_bound;
-       u8 is_flushed;
+       bool is_bound;
+       bool is_flushed;
         u8 vmalloc_flag;
 };