+static ssize_t pccard_show_irq_mask(struct class_device *dev, char *buf)
+{
+ struct pcmcia_socket *s = to_socket(dev);
+ return sprintf(buf, "0x%04x\n", s->irq_mask);
+}
+
+static ssize_t pccard_store_irq_mask(struct class_device *dev, const char *buf, size_t count)
+{
+ ssize_t ret;
+ struct pcmcia_socket *s = to_socket(dev);
+ u32 mask;
+
+ if (!count)
+ return -EINVAL;
+
+ ret = sscanf (buf, "0x%x\n", &mask);
+
+ if (ret == 1) {
+ s->irq_mask &= mask;
+ ret = 0;
+ }
+
+ return ret ? ret : count;
+}
+static CLASS_DEVICE_ATTR(card_irq_mask, 0600, pccard_show_irq_mask, pccard_store_irq_mask);
+
+