struct pci_dev *pci_dev = NULL;
        int i = 0, irq_hdl, rc;
 
-       printk("comedi%d: amplc_pci230: attach %s %d,%d\n", dev->minor,
-              thisboard->name, it->options[0], it->options[1]);
+       dev_info(dev->class_dev, "amplc_pci230: attach %s %d,%d\n",
+                thisboard->name, it->options[0], it->options[1]);
 
        /* Allocate the private structure area using alloc_private().
         * Macro defined in comedidev.h - memsets struct fields to 0. */
                }
        }
        if (!pci_dev) {
-               printk("comedi%d: No %s card found\n", dev->minor,
-                      thisboard->name);
+               dev_err(dev->class_dev, "No %s card found\n", thisboard->name);
                return -EIO;
        }
        devpriv->pci_dev = pci_dev;
 
        /* Enable PCI device and reserve I/O spaces. */
        if (comedi_pci_enable(pci_dev, "amplc_pci230") < 0) {
-               printk("comedi%d: failed to enable PCI device "
-                      "and request regions\n", dev->minor);
+               dev_err(dev->class_dev,
+                       "failed to enable PCI device and request regions\n");
                return -EIO;
        }
 
        iobase1 = pci_resource_start(pci_dev, 2);
        iobase2 = pci_resource_start(pci_dev, 3);
 
-       printk("comedi%d: %s I/O region 1 0x%04lx I/O region 2 0x%04lx\n",
-              dev->minor, dev->board_name, iobase1, iobase2);
+       dev_dbg(dev->class_dev,
+               "%s I/O region 1 0x%04lx I/O region 2 0x%04lx\n",
+               dev->board_name, iobase1, iobase2);
 
        devpriv->iobase1 = iobase1;
        dev->iobase = iobase2;
 
                devpriv->hwver = inw(dev->iobase + PCI230P_HWVER);
                if (devpriv->hwver < thisboard->min_hwver) {
-                       printk("comedi%d: %s - bad hardware version "
-                              "- got %u, need %u\n", dev->minor,
-                              dev->board_name, devpriv->hwver,
-                              thisboard->min_hwver);
+                       dev_err(dev->class_dev,
+                               "%s - bad hardware version - got %u, need %u\n",
+                               dev->board_name, devpriv->hwver,
+                               thisboard->min_hwver);
                        return -EIO;
                }
                if (devpriv->hwver > 0) {
        irq_hdl = request_irq(devpriv->pci_dev->irq, pci230_interrupt,
                              IRQF_SHARED, "amplc_pci230", dev);
        if (irq_hdl < 0) {
-               printk("comedi%d: unable to register irq, "
-                      "commands will not be available %d\n", dev->minor,
-                      devpriv->pci_dev->irq);
+               dev_warn(dev->class_dev,
+                        "unable to register irq %u, commands will not be available\n",
+                        devpriv->pci_dev->irq);
        } else {
                dev->irq = devpriv->pci_dev->irq;
-               printk("comedi%d: registered irq %u\n", dev->minor,
-                      devpriv->pci_dev->irq);
+               dev_dbg(dev->class_dev, "registered irq %u\n",
+                       devpriv->pci_dev->irq);
        }
 
        /*
                s->type = COMEDI_SUBD_UNUSED;
        }
 
-       printk("comedi%d: attached\n", dev->minor);
+       dev_info(dev->class_dev, "attached\n");
 
        return 1;
 }
                        udelay(1);
                }
                if (i == TIMEOUT) {
-                       /* printk() should be used instead of printk()
-                        * whenever the code can be called from real-time. */
-                       printk("timeout\n");
+                       dev_err(dev->class_dev, "timeout\n");
                        return -ETIMEDOUT;
                }
 
                                        (s->n_chan / 2) - 1);
                        }
                        if ((errors & buggy_chan0_err) != 0) {
-                               /* Use printk instead of DPRINTK here. */
-                               printk("comedi: comedi%d: amplc_pci230: "
-                                      "ai_cmdtest: Buggy PCI230+/260+ "
-                                      "h/w version %u requires first channel "
-                                      "of multi-channel sequence to be 0 "
-                                      "(corrected in h/w version 4)\n",
-                                      dev->minor, devpriv->hwver);
+                               dev_info(dev->class_dev,
+                                        "amplc_pci230: ai_cmdtest: Buggy PCI230+/260+ h/w version %u requires first channel of multi-channel sequence to be 0 (corrected in h/w version 4)\n",
+                                        devpriv->hwver);
                        }
                }
        }