};
 
 
-typedef struct {
+struct poll_delay_t {
+
        int min;
        int max;
-} poll_delay_t;
+};
+
 
 typedef struct {
        volatile struct jr3_channel *channel;
        int retries;
 } jr3_pci_subdev_private;
 
-static poll_delay_t poll_delay_min_max(int min, int max)
+static struct poll_delay_t poll_delay_min_max(int min, int max)
 {
-       poll_delay_t result;
+       struct poll_delay_t result;
 
        result.min = min;
        result.max = max;
        return result;
 }
 
-static poll_delay_t jr3_pci_poll_subdevice(struct comedi_subdevice * s)
+static struct poll_delay_t jr3_pci_poll_subdevice(struct comedi_subdevice * s)
 {
-       poll_delay_t result = poll_delay_min_max(1000, 2000);
+       struct poll_delay_t result = poll_delay_min_max(1000, 2000);
        jr3_pci_subdev_private *p = s->private;
 
        if (p) {
        for (i = 0; i < devpriv->n_channels; i++) {
                jr3_pci_subdev_private *subdevpriv = dev->subdevices[i].private;
                if (now > subdevpriv->next_time_min) {
-                       poll_delay_t sub_delay;
+                       struct poll_delay_t sub_delay;
 
                        sub_delay = jr3_pci_poll_subdevice(&dev->subdevices[i]);
                        subdevpriv->next_time_min =