Exemplos de ion_buffer_add em C++ (Cpp)

Exemplo n.º 1

Arquivo: ion.c Projeto: KylessOpenlp/caf-port

/* this function should only be called while dev->lock is held */
static struct ion_buffer *ion_buffer_create(struct ion_heap *heap,
				     struct ion_device *dev,
				     unsigned long len,
				     unsigned long align,
				     unsigned long flags)
{
	struct ion_buffer *buffer;
	int ret;

	buffer = kzalloc(sizeof(struct ion_buffer), GFP_KERNEL);
	if (!buffer)
		return ERR_PTR(-ENOMEM);

	buffer->heap = heap;
	kref_init(&buffer->ref);

	ret = heap->ops->allocate(heap, buffer, len, align, flags);
	if (ret) {
		kfree(buffer);
		return ERR_PTR(ret);
	}
	buffer->dev = dev;
	buffer->size = len;
	mutex_init(&buffer->lock);
	ion_buffer_add(dev, buffer);
	return buffer;
}

Exemplo n.º 2

Arquivo: ion.c Projeto: Snuzzo/funky_msm8960

/* this function should only be called while dev->lock is held */
static struct ion_buffer *ion_buffer_create(struct ion_heap *heap,
				     struct ion_device *dev,
				     unsigned long len,
				     unsigned long align,
				     unsigned long flags)
{
	struct ion_buffer *buffer;
	int ret;

	buffer = kzalloc(sizeof(struct ion_buffer), GFP_KERNEL);
	if (!buffer)
		return ERR_PTR(-ENOMEM);

	buffer->heap = heap;
	kref_init(&buffer->ref);

	//HTC_START Jason Huang 20120530 --- If the buffer will be allocated from ION CP MM heap, force it 1M-alignment.
	if (heap->id == ION_CP_MM_HEAP_ID)
	{
		len = (len + SZ_1M - 1) & ~(SZ_1M - 1);
		align = SZ_1M;
	}
	//HTC_END

	ret = heap->ops->allocate(heap, buffer, len, align, flags);
	if (ret) {
		kfree(buffer);
		return ERR_PTR(ret);
	}
	buffer->dev = dev;
	buffer->size = len;
	mutex_init(&buffer->lock);
	ion_buffer_add(dev, buffer);
	return buffer;
}

Exemplo n.º 3

Arquivo: ion.c Projeto: Rondeau7/android_kernel_lge_msm8960

/* this function should only be called while dev->lock is held */
static struct ion_buffer *ion_buffer_create(struct ion_heap *heap,
				     struct ion_device *dev,
				     unsigned long len,
				     unsigned long align,
				     unsigned long flags)
{
	struct ion_buffer *buffer;
	struct sg_table *table;
	int ret;

	buffer = kzalloc(sizeof(struct ion_buffer), GFP_KERNEL);
	if (!buffer)
		return ERR_PTR(-ENOMEM);

	buffer->heap = heap;
	kref_init(&buffer->ref);

	ret = heap->ops->allocate(heap, buffer, len, align, flags);
	if (ret) {
		kfree(buffer);
		return ERR_PTR(ret);
	}

	buffer->dev = dev;
	buffer->size = len;

	table = buffer->heap->ops->map_dma(buffer->heap, buffer);
	if (IS_ERR_OR_NULL(table)) {
		heap->ops->free(buffer);
		kfree(buffer);
		return ERR_PTR(PTR_ERR(table));
	}
	buffer->sg_table = table;

	mutex_init(&buffer->lock);
#if defined(CONFIG_MACH_LGE_L9II_OPEN_EU)
	mutex_lock(&dev->buffer_lock);
#endif
	ion_buffer_add(dev, buffer);
#if defined(CONFIG_MACH_LGE_L9II_OPEN_EU)
	mutex_unlock(&dev->buffer_lock);
#endif
	return buffer;
}