diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 95ca07a8e1b5..4a3bc5b7a06f 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -858,8 +858,13 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd) goto dead; } + /* + * We don't use STS_FLR, but some controllers don't like it to + * remain on, so mask it out along with the other status bits. + */ + masked_status = status & (INTR_MASK | STS_FLR); + /* Shared IRQ? */ - masked_status = status & INTR_MASK; if (!masked_status || unlikely(ehci->rh_state == EHCI_RH_HALTED)) { spin_unlock(&ehci->lock); return IRQ_NONE;