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()
136 		unpin_user_pages(dma->map, dma->page_count);  in ivtv_udma_setup()
137 		dma->page_count = 0;  in ivtv_udma_setup()
143 				    dma->page_count, DMA_TO_DEVICE);  in ivtv_udma_setup()
146 		unpin_user_pages(dma->map, dma->page_count);  in ivtv_udma_setup()
147 		dma->page_count = 0;  in ivtv_udma_setup()
158 	return dma->page_count;  in ivtv_udma_setup()
168 	if (dma->page_count == 0)  in ivtv_udma_unmap()
173 		dma_unmap_sg(&itv->pdev->dev, dma->SGlist, dma->page_count,  in ivtv_udma_unmap()
180 	unpin_user_pages(dma->map, dma->page_count);  in ivtv_udma_unmap()
181 	dma->page_count = 0;  in ivtv_udma_unmap()
197 			     itv->udma.page_count, DMA_TO_DEVICE);  in ivtv_udma_free()