resource/docs: Complete kernel-doc style function documentation

EXPORT_SYMBOL(release_resource);

/*

 * Finds the lowest iomem resource that covers part of [start..end].  The

 * caller must specify start, end, flags, and desc (which may be

/**

 * Finds the lowest iomem resource that covers part of [@start..@end].  The

 * caller must specify @start, @end, @flags, and @desc (which may be

 * IORES_DESC_NONE).

 *

 * If a resource is found, returns 0 and *res is overwritten with the part

 * of the resource that's within [start..end]; if none is found, returns

 * -1. Returns -EINVAL for other invalid parameters.

 * If a resource is found, returns 0 and @*res is overwritten with the part

 * of the resource that's within [@start..@end]; if none is found, returns

 * -1 or -EINVAL for other invalid parameters.

 *

 * This function walks the whole tree and not just first level children

 * unless @first_lvl is true.

 *

 * @start:	start address of the resource searched for

 * @end:	end address of same resource

 * @flags:	flags which the resource must have

 * @desc:	descriptor the resource must have

 * @first_lvl:	walk only the first level children, if set

 * @res:	return ptr, if resource found

 */

static int find_next_iomem_res(resource_size_t start, resource_size_t end,

			       unsigned long flags, unsigned long desc,

}

/**

 * walk_iomem_res_desc - walk through iomem resources

 *

 * Walks through iomem resources and calls @func() with matching resource

 * Walks through iomem resources and calls func() with matching resource

 * ranges. This walks through whole tree and not just first level children.

 * All the memory ranges which overlap start,end and also match flags and

 * desc are valid candidates.