Hi Konrad, Thanks for your feedback. On 2016-05-17 10:50:02 -0400, Konrad Rzeszutek Wilk wrote: > > +void debug_dma_map_resource(struct device *dev, phys_addr_t addr, size_t size, > > + int direction, dma_addr_t dma_addr) > > +{ > > + struct dma_debug_entry *entry; > > + > > + if (unlikely(dma_debug_disabled())) > > + return; > > + > > + entry = dma_entry_alloc(); > > + if (!entry) > > + return; > > + > > + entry->type = dma_debug_resource; > > + entry->dev = dev; > > + entry->pfn = __phys_to_pfn(addr); > > + entry->offset = addr - PHYS_PFN(entry->pfn); > > Is that right? You are correct that should be: entry->offset = addr - PFN_PHYS(entry->pfn); Or even better: entry->offset = addr - __pfn_to_phys(entry->pfn); I will address this and resend late next week, still hoping for some more feedback. > > __phys_to_pfn(addr) is PHYS_PFN(addr), so what you get here is > > addr - PHYS_PFN(PHYS_PFN(addr)) ? > > > > + entry->size = size; > > + entry->dev_addr = dma_addr; > > + entry->direction = direction; > > + entry->map_err_type = MAP_ERR_NOT_CHECKED; > > + > > + add_dma_entry(entry); > > +} > > +EXPORT_SYMBOL(debug_dma_map_resource); > > + -- Regards, Niklas Söderlund -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html