Lines Matching refs:page_count
21 dma_page->page_count = dma_page->last - dma_page->first + 1;
22 if (dma_page->page_count == 1) dma_page->tail -= dma_page->offset;
36 for (i = 0; i < dma_page->page_count; i++) {
37 unsigned int len = (i == dma_page->page_count - 1) ?
102 if (dma->SG_length || dma->page_count) {
103 IVTV_DEBUG_WARN("ivtv_udma_setup: SG_length %d page_count %d still full?\n",
104 dma->SG_length, dma->page_count);
110 if (user_dma.page_count <= 0) {
111 IVTV_DEBUG_WARN("ivtv_udma_setup: Error %d page_count from %d bytes %d offset\n",
112 user_dma.page_count, size_in_bytes, user_dma.offset);
117 err = pin_user_pages_unlocked(user_dma.uaddr, user_dma.page_count,
120 if (user_dma.page_count != err) {
122 err, user_dma.page_count);
130 dma->page_count = user_dma.page_count;
134 unpin_user_pages(dma->map, dma->page_count);
135 dma->page_count = 0;
141 dma->page_count, DMA_TO_DEVICE);
150 return dma->page_count;
160 if (dma->page_count == 0)
165 dma_unmap_sg(&itv->pdev->dev, dma->SGlist, dma->page_count,
172 unpin_user_pages(dma->map, dma->page_count);
173 dma->page_count = 0;
189 itv->udma.page_count, DMA_TO_DEVICE);