diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/host/ehci-hcd.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 40f7391bf2a..8c3e860bfce 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -686,6 +686,8 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd) /* remote wakeup [4.3.1] */ if (status & STS_PCD) { unsigned i = HCS_N_PORTS (ehci->hcs_params); + + /* kick root hub later */ pcd_status = status; /* resume root hub? */ @@ -714,8 +716,6 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd) /* PCI errors [4.15.2.4] */ if (unlikely ((status & STS_FATAL) != 0)) { - /* bogus "fatal" IRQs appear on some chips... why? */ - status = ehci_readl(ehci, &ehci->regs->status); dbg_cmd (ehci, "fatal", ehci_readl(ehci, &ehci->regs->command)); dbg_status (ehci, "fatal", status); @@ -734,7 +734,7 @@ dead: if (bh) ehci_work (ehci); spin_unlock (&ehci->lock); - if (pcd_status & STS_PCD) + if (pcd_status) usb_hcd_poll_rh_status(hcd); return IRQ_HANDLED; } |