164 void *saa7146_vmalloc_build_pgtable(struct pci_dev *pci, long length, struct saa7146_pgtable *pt)  in saa7146_vmalloc_build_pgtable()  argument
173 	if (!(pt->slist = vmalloc_to_sg(mem, pages)))  in saa7146_vmalloc_build_pgtable()
176 	if (saa7146_pgtable_alloc(pci, pt))  in saa7146_vmalloc_build_pgtable()
179 	pt->nents = pages;  in saa7146_vmalloc_build_pgtable()
180 	slen = dma_map_sg(&pci->dev, pt->slist, pt->nents, DMA_FROM_DEVICE);  in saa7146_vmalloc_build_pgtable()
184 	if (0 != saa7146_pgtable_build_single(pci, pt, pt->slist, slen))  in saa7146_vmalloc_build_pgtable()
190 	dma_unmap_sg(&pci->dev, pt->slist, pt->nents, DMA_FROM_DEVICE);  in saa7146_vmalloc_build_pgtable()
192 	saa7146_pgtable_free(pci, pt);  in saa7146_vmalloc_build_pgtable()
194 	kfree(pt->slist);  in saa7146_vmalloc_build_pgtable()
195 	pt->slist = NULL;  in saa7146_vmalloc_build_pgtable()
202 void saa7146_vfree_destroy_pgtable(struct pci_dev *pci, void *mem, struct saa7146_pgtable *pt)  in saa7146_vfree_destroy_pgtable()  argument
204 	dma_unmap_sg(&pci->dev, pt->slist, pt->nents, DMA_FROM_DEVICE);  in saa7146_vfree_destroy_pgtable()
205 	saa7146_pgtable_free(pci, pt);  in saa7146_vfree_destroy_pgtable()
206 	kfree(pt->slist);  in saa7146_vfree_destroy_pgtable()
207 	pt->slist = NULL;  in saa7146_vfree_destroy_pgtable()
211 void saa7146_pgtable_free(struct pci_dev *pci, struct saa7146_pgtable *pt)  in saa7146_pgtable_free()  argument
213 	if (NULL == pt->cpu)  in saa7146_pgtable_free()
215 	dma_free_coherent(&pci->dev, pt->size, pt->cpu, pt->dma);  in saa7146_pgtable_free()
216 	pt->cpu = NULL;  in saa7146_pgtable_free()
219 int saa7146_pgtable_alloc(struct pci_dev *pci, struct saa7146_pgtable *pt)  in saa7146_pgtable_alloc()  argument
228 	pt->size = PAGE_SIZE;  in saa7146_pgtable_alloc()
229 	pt->cpu  = cpu;  in saa7146_pgtable_alloc()
230 	pt->dma  = dma_addr;  in saa7146_pgtable_alloc()
235 int saa7146_pgtable_build_single(struct pci_dev *pci, struct saa7146_pgtable *pt,  in saa7146_pgtable_build_single()  argument
247 	pt->offset = list->offset;  in saa7146_pgtable_build_single()
249 	ptr = pt->cpu;  in saa7146_pgtable_build_single()