u32 c = 0;
 
        if (domain & AMDGPU_GEM_DOMAIN_VRAM) {
-               unsigned visible_pfn = adev->gmc.visible_vram_size >> PAGE_SHIFT;
+               unsigned int visible_pfn = adev->gmc.visible_vram_size >> PAGE_SHIFT;
 
                places[c].fpfn = 0;
                places[c].lpfn = 0;
                bo->flags |= AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
        amdgpu_bo_placement_from_domain(bo, domain);
        for (i = 0; i < bo->placement.num_placement; i++) {
-               unsigned fpfn, lpfn;
+               unsigned int fpfn, lpfn;
 
                fpfn = min_offset >> PAGE_SHIFT;
                lpfn = max_offset >> PAGE_SHIFT;
        }
 }
 
-static const char *amdgpu_vram_names[] = {
+static const char * const amdgpu_vram_names[] = {
        "UNKNOWN",
        "GDDR1",
        "DDR2",
  * Returns:
  * 0 for success or a negative error code on failure.
  */
-int amdgpu_bo_set_metadata (struct amdgpu_bo *bo, void *metadata,
-                           uint32_t metadata_size, uint64_t flags)
+int amdgpu_bo_set_metadata(struct amdgpu_bo *bo, void *metadata,
+                          u32 metadata_size, uint64_t flags)
 {
        struct amdgpu_bo_user *ubo;
        void *buffer;
 
  * Allocate @ndw dwords in the ring buffer (all asics).
  * Returns 0 on success, error on failure.
  */
-int amdgpu_ring_alloc(struct amdgpu_ring *ring, unsigned ndw)
+int amdgpu_ring_alloc(struct amdgpu_ring *ring, unsigned int ndw)
 {
        /* Align requested size with padding so unlock_commit can
         * pad safely */
                     amdgpu_ring_max_ibs(ring->funcs->type) * ring->funcs->emit_ib_size;
        max_ibs_dw = (max_ibs_dw + ring->funcs->align_mask) & ~ring->funcs->align_mask;
 
-       if (WARN_ON(max_ibs_dw > max_dw)) {
+       if (WARN_ON(max_ibs_dw > max_dw))
                max_dw = max_ibs_dw;
-       }
 
        ring->ring_size = roundup_pow_of_two(max_dw * 4 * sched_hw_submission);
 
        char name[32];
 
        sprintf(name, "amdgpu_ring_%s", ring->name);
-       debugfs_create_file_size(name, S_IFREG | S_IRUGO, root, ring,
+       debugfs_create_file_size(name, S_IFREG | 0444, root, ring,
                                 &amdgpu_debugfs_ring_fops,
                                 ring->ring_size + 12);
 
        if (ring->mqd_obj) {
                sprintf(name, "amdgpu_mqd_%s", ring->name);
-               debugfs_create_file_size(name, S_IFREG | S_IRUGO, root, ring,
+               debugfs_create_file_size(name, S_IFREG | 0444, root, ring,
                                         &amdgpu_debugfs_mqd_fops,
                                         ring->mqd_size);
        }