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. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev