drm/omap: dmm_tiler: Use dmaengine_prep_dma_memcpy() for i878 workaround (55817d28) · Commits · 戴 / test

Instead of dma_dev->device_prep_dma_memcpy() use the existing macro to prepare the memcpy. Signed-off-by:

drivers/gpu/drm/omapdrm/omap_dmm_tiler.c

+1 −2

Original line number	Original line	Diff line number	Diff line
	@@ -82,12 +82,11 @@ static const u32 reg[][4] = {

	static int dmm_dma_copy(struct dmm *dmm, dma_addr_t src, dma_addr_t dst)		static int dmm_dma_copy(struct dmm *dmm, dma_addr_t src, dma_addr_t dst)
	{		{
	struct dma_device *dma_dev = dmm->wa_dma_chan->device;
	struct dma_async_tx_descriptor *tx;		struct dma_async_tx_descriptor *tx;
	enum dma_status status;		enum dma_status status;
	dma_cookie_t cookie;		dma_cookie_t cookie;

	tx = dma_dev->device_prep_dma_memcpy(dmm->wa_dma_chan, dst, src, 4, 0);		tx = dmaengine_prep_dma_memcpy(dmm->wa_dma_chan, dst, src, 4, 0);
	if (!tx) {		if (!tx) {
	dev_err(dmm->dev, "Failed to prepare DMA memcpy\n");		dev_err(dmm->dev, "Failed to prepare DMA memcpy\n");
	return -EIO;		return -EIO;