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