Ejemplos de dma_release_from_coherent en C++ (Cpp)

Ejemplo n.º 1

Archivo: dma.c Proyecto: Blackburn29/PsycoKernel

void dma_free_coherent(struct device *dev, size_t size,
			 void *vaddr, dma_addr_t dma_handle)
{
	int order = get_order(size);

	if (!dma_release_from_coherent(dev, order, vaddr))
		free_pages((unsigned long)vaddr, order);
}

Ejemplo n.º 2

Archivo: dma-swiotlb.c Proyecto: laitianli/loongson-linux-2.6.36-3_mips

static void loongson_dma_free_coherent(struct device *dev, size_t size,
	void *vaddr, dma_addr_t dma_handle)
{
	int order = get_order(size);

	if (dma_release_from_coherent(dev, order, vaddr))
		return;

	swiotlb_free_coherent(dev, size, vaddr, dma_handle);
}

Ejemplo n.º 3

Archivo: dma-mapping.c Proyecto: WayWingsDev/gopro-linux

/*
 * free a page as defined by the above mapping.
 * Must not be called with IRQs disabled.
 */
void dma_free_coherent(struct device *dev, size_t size, void *cpu_addr, dma_addr_t handle)
{
    WARN_ON(irqs_disabled());

    if (dma_release_from_coherent(dev, get_order(size), cpu_addr))
        return;

    size = PAGE_ALIGN(size);

    if (!arch_is_coherent())
        __dma_free_remap(cpu_addr, size);

    __dma_free_buffer(pfn_to_page(dma_to_pfn(dev, handle)), size);
}

Ejemplo n.º 4

Archivo: pci-dma.c Proyecto: JcShang/linux-80211n-csitool

void dma_free_attrs(struct device *dev, size_t size,
		    void *vaddr, dma_addr_t bus,
		    struct dma_attrs *attrs)
{
	struct dma_map_ops *ops = get_dma_ops(dev);

	WARN_ON(irqs_disabled());       /* for portability */

	if (dma_release_from_coherent(dev, get_order(size), vaddr))
		return;

	debug_dma_free_coherent(dev, size, vaddr, bus);
	if (ops->free)
		ops->free(dev, size, vaddr, bus, attrs);
}

Ejemplo n.º 5

Archivo: dma-default.c Proyecto: andy-padavan/rt-n56u

static void mips_dma_free_coherent(struct device *dev, size_t size, void *vaddr,
	dma_addr_t dma_handle)
{
	unsigned long addr = (unsigned long) vaddr;

	if (dma_release_from_coherent(dev, get_order(size), vaddr))
		return;

	plat_unmap_dma_mem(dev, dma_handle, size, DMA_BIDIRECTIONAL);

	if (!plat_device_is_coherent(dev))
		addr = CAC_ADDR(addr);

	free_pages(addr, get_order(size));
}

Ejemplo n.º 6

static void mips_dma_free_coherent(struct device *dev, size_t size, void *vaddr,
	dma_addr_t dma_handle)
{
	unsigned long addr = (unsigned long) vaddr;
	int order = get_order(size);

	if (dma_release_from_coherent(dev, order, vaddr))
		return;

	plat_unmap_dma_mem(dev, dma_handle, size, DMA_BIDIRECTIONAL);

#ifdef CONFIG_BRCM_CONSISTENT_DMA
	addr = (unsigned long)brcm_unmap_coherent(vaddr);
#else
	if (!plat_device_is_coherent(dev))
		addr = CAC_ADDR(addr);
#endif

	free_pages(addr, get_order(size));
}

Ejemplo n.º 7

Archivo: dma-default.c Proyecto: BoostFlash/hero2lteaelohapbackup

static void mips_dma_free_coherent(struct device *dev, size_t size, void *vaddr,
	dma_addr_t dma_handle, struct dma_attrs *attrs)
{
	unsigned long addr = (unsigned long) vaddr;
	int order = get_order(size);
	unsigned int count = PAGE_ALIGN(size) >> PAGE_SHIFT;
	struct page *page = NULL;

	if (dma_release_from_coherent(dev, order, vaddr))
		return;

	plat_unmap_dma_mem(dev, dma_handle, size, DMA_BIDIRECTIONAL);

	if (!plat_device_is_coherent(dev) && !hw_coherentio)
		addr = CAC_ADDR(addr);

	page = virt_to_page((void *) addr);

	if (!dma_release_from_contiguous(dev, page, count))
		__free_pages(page, get_order(size));
}

Ejemplo n.º 8

Archivo: dma-default.c Proyecto: card2000/VDLinux_2.6.35.11

void dma_free_coherent(struct device *dev, size_t size, void *vaddr,
	dma_addr_t dma_handle)
{
#ifdef CONFIG_MSTAR_CHIP
	extern int hw_coherentio;
#endif
	unsigned long addr = (unsigned long) vaddr;
	int order = get_order(size);

	if (dma_release_from_coherent(dev, order, vaddr))
		return;

	plat_unmap_dma_mem(dev, dma_handle, size, DMA_BIDIRECTIONAL);

	if (!plat_device_is_coherent(dev))
#ifdef CONFIG_MSTAR_CHIP
		if (!hw_coherentio)
#endif
		addr = CAC_ADDR(addr);

	free_pages(addr, get_order(size));
}