Lines Matching defs:busa
191 unsigned int busa, busa0;
219 busa = busa0;
223 iommu_invalidate_page(iommu->regs, busa);
224 busa += PAGE_SIZE;
283 unsigned int busa = dma_addr & PAGE_MASK;
286 unsigned int ioptex = (busa - iommu->start) >> PAGE_SHIFT;
289 BUG_ON(busa < iommu->start);
292 iommu_invalidate_page(iommu->regs, busa);
293 busa += PAGE_SIZE;
395 dma_addr_t busa, unsigned long attrs)
400 int ioptex = (busa - iommu->start) >> PAGE_SHIFT;
406 BUG_ON((busa & ~PAGE_MASK) != 0);
410 end = busa + len;
411 while (busa < end) {
413 busa += PAGE_SIZE;