4630 clean stale references to ddi_iopb_alloc and ddi_iopb_free
4634 undocument scsi_hba_attach() and ddi_dma_lim(9s)

@@ -109,14 +109,12 @@
 static int pcic_apply_avail_ranges(dev_info_t *, pcm_regs_t *,
         pci_regspec_t *, int);
 int pci_resource_setup_avail(dev_info_t *, pci_regspec_t *, int);
 
 /*
- * On x86 platforms the ddi_iobp_alloc(9F) and ddi_mem_alloc(9F) calls
- * are xlated into DMA ctlops. To make this nexus work on x86, we
- * need to have the default ddi_dma_mctl ctlops in the bus_ops
- * structure, just to pass the request to the parent. The correct
+ * To make this nexus work on x86, we need to have the default ddi_dma_mctl
+ * ctlops in the bus_ops structure, just to pass the request to the parent.
  * ctlops should be ddi_no_dma_mctl because so far we don't do DMA.
  */
 static
 struct bus_ops pcmciabus_ops = {
         BUSO_REV,