On Wed, Nov 19, 2008 at 03:07:04PM +1100, Paul Mackerras wrote: > Sonny Rao writes: > > > - if (io_remap_pfn_range(vma, vma->vm_start, dev->bsr_addr >> PAGE_SHIFT, > > - size, vma->vm_page_prot)) > > + /* check for the case of a small BSR device and map one 4k page for it*/ > > + if (dev->bsr_len < PAGE_SIZE && size == PAGE_SIZE) > > + ret = remap_4k_pfn(vma, vma->vm_start, dev->bsr_addr >> 12, > > + vma->vm_page_prot); > > I think we should be checking that dev->bsr_len == 4096 here. > > Paul.
Well, dev->bsr_len could be 4096 or 8192 -- Sonny Rao, LTC OzLabs, BML team _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
