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path: root/drivers/video/sunxvr500.c
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Diffstat (limited to 'drivers/video/sunxvr500.c')
-rw-r--r--drivers/video/sunxvr500.c24
1 files changed, 17 insertions, 7 deletions
diff --git a/drivers/video/sunxvr500.c b/drivers/video/sunxvr500.c
index 4cd50497264..3803745d6ee 100644
--- a/drivers/video/sunxvr500.c
+++ b/drivers/video/sunxvr500.c
@@ -242,11 +242,27 @@ 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",
@@ -265,13 +281,7 @@ 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