Merge branch 'master' into export-slabh
[kernel.git] / drivers / video / sunxvr500.c
index 03a03f3..b9c2b94 100644 (file)
@@ -241,11 +241,27 @@ static int __devinit e3d_set_fbinfo(struct e3d_info *ep)
 static int __devinit e3d_pci_register(struct pci_dev *pdev,
                                      const struct pci_device_id *ent)
 {
+       struct device_node *of_node;
+       const char *device_type;
        struct fb_info *info;
        struct e3d_info *ep;
        unsigned int line_length;
        int err;
 
+       of_node = pci_device_to_OF_node(pdev);
+       if (!of_node) {
+               printk(KERN_ERR "e3d: Cannot find OF node of %s\n",
+                      pci_name(pdev));
+               return -ENODEV;
+       }
+
+       device_type = of_get_property(of_node, "device_type", NULL);
+       if (!device_type) {
+               printk(KERN_INFO "e3d: Ignoring secondary output device "
+                      "at %s\n", pci_name(pdev));
+               return -ENODEV;
+       }
+
        err = pci_enable_device(pdev);
        if (err < 0) {
                printk(KERN_ERR "e3d: Cannot enable PCI device %s\n",
@@ -264,13 +280,7 @@ static int __devinit e3d_pci_register(struct pci_dev *pdev,
        ep->info = info;
        ep->pdev = pdev;
        spin_lock_init(&ep->lock);
-       ep->of_node = pci_device_to_OF_node(pdev);
-       if (!ep->of_node) {
-               printk(KERN_ERR "e3d: Cannot find OF node of %s\n",
-                      pci_name(pdev));
-               err = -ENODEV;
-               goto err_release_fb;
-       }
+       ep->of_node = of_node;
 
        /* Read the PCI base register of the frame buffer, which we
         * need in order to interpret the RAMDAC_VID_*FB* values in