aboutsummaryrefslogtreecommitdiffstats
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)
858 goto dead; 858 goto dead;
859 } 859 }
860 860
861 /*
862 * We don't use STS_FLR, but some controllers don't like it to
863 * remain on, so mask it out along with the other status bits.
864 */
865 masked_status = status & (INTR_MASK | STS_FLR);
866
861 /* Shared IRQ? */ 867 /* Shared IRQ? */
862 masked_status = status & INTR_MASK;
863 if (!masked_status || unlikely(ehci->rh_state == EHCI_RH_HALTED)) { 868 if (!masked_status || unlikely(ehci->rh_state == EHCI_RH_HALTED)) {
864 spin_unlock(&ehci->lock); 869 spin_unlock(&ehci->lock);
865 return IRQ_NONE; 870 return IRQ_NONE;
@@ -910,7 +915,7 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd)
910 pcd_status = status; 915 pcd_status = status;
911 916
912 /* resume root hub? */ 917 /* resume root hub? */
913 if (!(cmd & CMD_RUN)) 918 if (ehci->rh_state == EHCI_RH_SUSPENDED)
914 usb_hcd_resume_root_hub(hcd); 919 usb_hcd_resume_root_hub(hcd);
915 920
916 /* get per-port change detect bits */ 921 /* get per-port change detect bits */