summaryrefslogtreecommitdiffstats
path: root/drivers/usb/host/ehci-hcd.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/host/ehci-hcd.c')
-rw-r--r--drivers/usb/host/ehci-hcd.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 806cc95317aa..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;
@@ -910,7 +915,7 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd)
pcd_status = status;
/* resume root hub? */
- if (!(cmd & CMD_RUN))
+ if (ehci->rh_state == EHCI_RH_SUSPENDED)
usb_hcd_resume_root_hub(hcd);
/* get per-port change detect bits */