diff options
Diffstat (limited to 'drivers/usb/host/ohci-hcd.c')
| -rw-r--r-- | drivers/usb/host/ohci-hcd.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index 1027aa04583d..d1d68c402251 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -715,17 +715,8 @@ static irqreturn_t ohci_irq (struct usb_hcd *hcd, struct pt_regs *ptregs) return IRQ_NOTMINE; } - /* NOTE: vendors didn't always make the same implementation - * choices for RHSC. Sometimes it triggers on an edge (like - * setting and maybe clearing a port status change bit); and - * it's level-triggered on other silicon, active until khubd - * clears all active port status change bits. Poll by timer - * til it's fully debounced and the difference won't matter. - */ if (ints & OHCI_INTR_RHSC) { ohci_vdbg (ohci, "rhsc\n"); - ohci_writel (ohci, OHCI_INTR_RHSC, ®s->intrdisable); - hcd->poll_rh = 1; ohci->next_statechange = jiffies + STATECHANGE_DELAY; ohci_writel (ohci, OHCI_INTR_RHSC, ®s->intrstatus); usb_hcd_poll_rh_status(hcd); @@ -743,13 +734,18 @@ static irqreturn_t ohci_irq (struct usb_hcd *hcd, struct pt_regs *ptregs) if (ints & OHCI_INTR_RD) { ohci_vdbg (ohci, "resume detect\n"); ohci_writel (ohci, OHCI_INTR_RD, ®s->intrstatus); - if (hcd->state != HC_STATE_QUIESCING) + hcd->poll_rh = 1; + if (ohci->autostop) { + spin_lock (&ohci->lock); + ohci_rh_resume (ohci); + spin_unlock (&ohci->lock); + } else usb_hcd_resume_root_hub(hcd); } if (ints & OHCI_INTR_WDH) { if (HC_IS_RUNNING(hcd->state)) - ohci_writel (ohci, OHCI_INTR_WDH, ®s->intrdisable); + ohci_writel (ohci, OHCI_INTR_WDH, ®s->intrdisable); spin_lock (&ohci->lock); dl_done_list (ohci, ptregs); spin_unlock (&ohci->lock); |