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authorClark Williams <williams@redhat.com>2012-03-01 09:15:01 -0600
committerClark Williams <williams@redhat.com>2012-03-01 09:15:01 -0600
commit5ee07f2a498e0a5f4a9994317c0f2e451e27b4f2 (patch)
tree8d8cc50a7de738e1e6b7a66ec27120f616b3919a /drivers/usb/core/hcd.c
parent5f269e50cb10cd1a74b89f7fda87b0c9082754f0 (diff)
parent44fb3170ae46f8de964a4bb5b0504e865a6dd7da (diff)
Merge commit 'v3.2.9' into rt-3.2.9-rt13v3.2.9-rt13
Diffstat (limited to 'drivers/usb/core/hcd.c')
-rw-r--r--drivers/usb/core/hcd.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 505265e60219..32dfd76d8f92 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -2465,8 +2465,10 @@ int usb_add_hcd(struct usb_hcd *hcd,
&& device_can_wakeup(&hcd->self.root_hub->dev))
dev_dbg(hcd->self.controller, "supports USB remote wakeup\n");
- /* enable irqs just before we start the controller */
- if (usb_hcd_is_primary_hcd(hcd)) {
+ /* enable irqs just before we start the controller,
+ * if the BIOS provides legacy PCI irqs.
+ */
+ if (usb_hcd_is_primary_hcd(hcd) && irqnum) {
retval = usb_hcd_request_irqs(hcd, irqnum, irqflags);
if (retval)
goto err_request_irq;