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path: root/drivers/usb/core/hcd-pci.c
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Diffstat (limited to 'drivers/usb/core/hcd-pci.c')
-rw-r--r--drivers/usb/core/hcd-pci.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c
index b55d46070a2..f71e8e307e0 100644
--- a/drivers/usb/core/hcd-pci.c
+++ b/drivers/usb/core/hcd-pci.c
@@ -405,7 +405,12 @@ static int suspend_common(struct device *dev, bool do_wakeup)
return retval;
}
- synchronize_irq(pci_dev->irq);
+ /* If MSI-X is enabled, the driver will have synchronized all vectors
+ * in pci_suspend(). If MSI or legacy PCI is enabled, that will be
+ * synchronized here.
+ */
+ if (!hcd->msix_enabled)
+ synchronize_irq(pci_dev->irq);
/* Downstream ports from this root hub should already be quiesced, so
* there will be no DMA activity. Now we can shut down the upstream