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Commit 0d74f86f authored by Konrad Rzeszutek Wilk's avatar Konrad Rzeszutek Wilk Committed by Dave Airlie
Browse files

ttm: Fix spelling mistakes and remove unused #ifdef



. and some comments to make it easier to understand.

Ackedby: Randy Dunlap <randy.dunlap@oracle.com>
[v2: Added some more updates from Randy Dunlap]
Signed-off-by: default avatarKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 20633442
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+8 −8
Original line number Diff line number Diff line
@@ -355,7 +355,7 @@ static int ttm_page_pool_free(struct ttm_page_pool *pool, unsigned nr_free)
			if (nr_free)
				goto restart;

			/* Not allowed to fall tough or break because
			/* Not allowed to fall through or break because
			 * following context is inside spinlock while we are
			 * outside here.
			 */
@@ -556,7 +556,7 @@ static int ttm_alloc_new_pages(struct list_head *pages, gfp_t gfp_flags,
}

/**
 * Fill the given pool if there isn't enough pages and requested number of
 * Fill the given pool if there aren't enough pages and the requested number of
 * pages is small.
 */
static void ttm_page_pool_fill_locked(struct ttm_page_pool *pool,
@@ -576,8 +576,8 @@ static void ttm_page_pool_fill_locked(struct ttm_page_pool *pool,

	pool->fill_lock = true;

	/* If allocation request is small and there is not enough
	 * pages in pool we fill the pool first */
	/* If allocation request is small and there are not enough
	 * pages in a pool we fill the pool up first. */
	if (count < _manager->options.small
		&& count > pool->npages) {
		struct list_head new_pages;
@@ -614,9 +614,9 @@ static void ttm_page_pool_fill_locked(struct ttm_page_pool *pool,
}

/**
 * Cut count nubmer of pages from the pool and put them to return list
 * Cut 'count' number of pages from the pool and put them on the return list.
 *
 * @return count of pages still to allocate to fill the request.
 * @return count of pages still required to fulfill the request.
 */
static unsigned ttm_page_pool_get_pages(struct ttm_page_pool *pool,
		struct list_head *pages, int ttm_flags,
@@ -637,7 +637,7 @@ static unsigned ttm_page_pool_get_pages(struct ttm_page_pool *pool,
		goto out;
	}
	/* find the last pages to include for requested number of pages. Split
	 * pool to begin and halves to reduce search space. */
	 * pool to begin and halve it to reduce search space. */
	if (count <= pool->npages/2) {
		i = 0;
		list_for_each(p, &pool->list) {
@@ -651,7 +651,7 @@ static unsigned ttm_page_pool_get_pages(struct ttm_page_pool *pool,
				break;
		}
	}
	/* Cut count number of pages from pool */
	/* Cut 'count' number of pages from the pool */
	list_cut_position(pages, &pool->list, p);
	pool->npages -= count;
	count = 0;
+0 −3
Original line number Diff line number Diff line
@@ -662,9 +662,6 @@ extern int ttm_bo_kmap(struct ttm_buffer_object *bo, unsigned long start_page,

extern void ttm_bo_kunmap(struct ttm_bo_kmap_obj *map);

#if 0
#endif

/**
 * ttm_fbdev_mmap - mmap fbdev memory backed by a ttm buffer object.
 *
+3 −3
Original line number Diff line number Diff line
@@ -78,7 +78,7 @@ struct ttm_backend_func {
	 *
	 * Bind the backend pages into the aperture in the location
	 * indicated by @bo_mem. This function should be able to handle
	 * differences between aperture- and system page sizes.
	 * differences between aperture and system page sizes.
	 */
	int (*bind) (struct ttm_backend *backend, struct ttm_mem_reg *bo_mem);

@@ -88,7 +88,7 @@ struct ttm_backend_func {
	 * @backend: Pointer to a struct ttm_backend.
	 *
	 * Unbind previously bound backend pages. This function should be
	 * able to handle differences between aperture- and system page sizes.
	 * able to handle differences between aperture and system page sizes.
	 */
	int (*unbind) (struct ttm_backend *backend);

@@ -786,7 +786,7 @@ extern int ttm_bo_device_release(struct ttm_bo_device *bdev);
 * ttm_bo_device_init
 *
 * @bdev: A pointer to a struct ttm_bo_device to initialize.
 * @mem_global: A pointer to an initialized struct ttm_mem_global.
 * @glob: A pointer to an initialized struct ttm_bo_global.
 * @driver: A pointer to a struct ttm_bo_driver set up by the caller.
 * @file_page_offset: Offset into the device address space that is available
 * for buffer data. This ensures compatibility with other users of the
+1 −1
Original line number Diff line number Diff line
@@ -41,7 +41,7 @@
 * @do_shrink: The callback function.
 *
 * Arguments to the do_shrink functions are intended to be passed using
 * inheritance. That is, the argument class derives from struct ttm_mem_srink,
 * inheritance. That is, the argument class derives from struct ttm_mem_shrink,
 * and can be accessed using container_of().
 */

+2 −2
Original line number Diff line number Diff line
@@ -111,7 +111,7 @@ struct ttm_object_device;
 *
 * @ref_obj_release: A function to be called when a reference object
 * with another ttm_ref_type than TTM_REF_USAGE is deleted.
 * this function may, for example, release a lock held by a user-space
 * This function may, for example, release a lock held by a user-space
 * process.
 *
 * This struct is intended to be used as a base struct for objects that
@@ -172,7 +172,7 @@ extern struct ttm_base_object *ttm_base_object_lookup(struct ttm_object_file
/**
 * ttm_base_object_unref
 *
 * @p_base: Pointer to a pointer referncing a struct ttm_base_object.
 * @p_base: Pointer to a pointer referencing a struct ttm_base_object.
 *
 * Decrements the base object refcount and clears the pointer pointed to by
 * p_base.
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