1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index a665b3eaa746..aaa8d2bce217 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -570,6 +570,16 @@ static int __devinit ohci_hcd_at91_drv_probe(struct platform_device *pdev)
 
         if (pdata) {
                 at91_for_each_port(i) {
+                        /*
+                         * do not configure PIO if not in relation with
+                         * real USB port on board
+                         */
+                        if (i >= pdata->ports) {
+                                pdata->vbus_pin[i] = -EINVAL;
+                                pdata->overcurrent_pin[i] = -EINVAL;
+                                break;
+                        }
+
                         if (!gpio_is_valid(pdata->vbus_pin[i]))
                                 continue;
                         gpio = pdata->vbus_pin[i];