On Tue, Jul 21 2015 at 01:39:10 PM, Toshi Kani <toshi.k...@hp.com> wrote: > > You can do the following instead. If you have the physical address already > (i.e. the address you passed to ioremap), you can skip slow_virt_to_phys(). > pfn_to_page() is a hack for the time being so that you can use the same > DMA mapping APIs. > > phys = slow_virt_to_phys(vaddr); > page = pfn_to_page(phys >> PAGE_SHIFT); > > Dan is working on the change to introduce __pfn_t. With this change, you > can pass a pfn, instead of a fake page pointer, to APIs. You may want to > check if your APIs are covered in this change. > https://lkml.org/lkml/2015/6/5/802
Thanks, we can do this for now till Dan's changes come online. Also, we already have the physical address. We will submit a patch with this change. Ashutosh -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
