diff options
Diffstat (limited to 'drivers/usb/core/hcd.c')
| -rw-r--r-- | drivers/usb/core/hcd.c | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 53f14c8..f2fe7c8 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -679,7 +679,7 @@ void usb_hcd_poll_rh_status(struct usb_hcd *hcd) spin_lock_irqsave(&hcd_root_hub_lock, flags); urb = hcd->status_urb; if (urb) { - hcd->poll_pending = 0; + clear_bit(HCD_FLAG_POLL_PENDING, &hcd->flags); hcd->status_urb = NULL; urb->actual_length = length; memcpy(urb->transfer_buffer, buffer, length); @@ -690,7 +690,7 @@ void usb_hcd_poll_rh_status(struct usb_hcd *hcd) spin_lock(&hcd_root_hub_lock); } else { length = 0; - hcd->poll_pending = 1; + set_bit(HCD_FLAG_POLL_PENDING, &hcd->flags); } spin_unlock_irqrestore(&hcd_root_hub_lock, flags); } @@ -699,7 +699,7 @@ void usb_hcd_poll_rh_status(struct usb_hcd *hcd) * exceed that limit if HZ is 100. The math is more clunky than * maybe expected, this is to make sure that all timers for USB devices * fire at the same time to give the CPU a break inbetween */ - if (hcd->uses_new_polling ? hcd->poll_rh : + if (hcd->uses_new_polling ? HCD_POLL_RH(hcd) : (length == 0 && hcd->status_urb != NULL)) mod_timer (&hcd->rh_timer, (jiffies/(HZ/4) + 1) * (HZ/4)); } @@ -736,7 +736,7 @@ static int rh_queue_status (struct usb_hcd *hcd, struct urb *urb) mod_timer(&hcd->rh_timer, (jiffies/(HZ/4) + 1) * (HZ/4)); /* If a status change has already occurred, report it ASAP */ - else if (hcd->poll_pending) + else if (HCD_POLL_PENDING(hcd)) mod_timer(&hcd->rh_timer, jiffies); retval = 0; done: @@ -1150,8 +1150,7 @@ int usb_hcd_check_unlink_urb(struct usb_hcd *hcd, struct urb *urb, * finish unlinking the initial failed usb_set_address() * or device descriptor fetch. */ - if (!test_bit(HCD_FLAG_SAW_IRQ, &hcd->flags) && - !is_root_hub(urb->dev)) { + if (!HCD_SAW_IRQ(hcd) && !is_root_hub(urb->dev)) { dev_warn(hcd->self.controller, "Unlink after no-IRQ? " "Controller is probably using the wrong IRQ.\n"); set_bit(HCD_FLAG_SAW_IRQ, &hcd->flags); @@ -2063,8 +2062,7 @@ irqreturn_t usb_hcd_irq (int irq, void *__hcd) */ local_irq_save(flags); - if (unlikely(hcd->state == HC_STATE_HALT || - !test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags))) { + if (unlikely(hcd->state == HC_STATE_HALT || !HCD_HW_ACCESSIBLE(hcd))) { rc = IRQ_NONE; } else if (hcd->driver->irq(hcd) == IRQ_NONE) { rc = IRQ_NONE; @@ -2098,7 +2096,7 @@ void usb_hc_died (struct usb_hcd *hcd) spin_lock_irqsave (&hcd_root_hub_lock, flags); if (hcd->rh_registered) { - hcd->poll_rh = 0; + clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); /* make khubd clean up old urbs and devices */ usb_set_device_state (hcd->self.root_hub, @@ -2301,7 +2299,7 @@ int usb_add_hcd(struct usb_hcd *hcd, retval); goto error_create_attr_group; } - if (hcd->uses_new_polling && hcd->poll_rh) + if (hcd->uses_new_polling && HCD_POLL_RH(hcd)) usb_hcd_poll_rh_status(hcd); return retval; @@ -2320,11 +2318,11 @@ error_create_attr_group: mutex_unlock(&usb_bus_list_lock); err_register_root_hub: hcd->rh_pollable = 0; - hcd->poll_rh = 0; + clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); del_timer_sync(&hcd->rh_timer); hcd->driver->stop(hcd); hcd->state = HC_STATE_HALT; - hcd->poll_rh = 0; + clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); del_timer_sync(&hcd->rh_timer); err_hcd_driver_start: if (hcd->irq >= 0) @@ -2380,14 +2378,14 @@ void usb_remove_hcd(struct usb_hcd *hcd) * the hub_status_data() callback. */ hcd->rh_pollable = 0; - hcd->poll_rh = 0; + clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); del_timer_sync(&hcd->rh_timer); hcd->driver->stop(hcd); hcd->state = HC_STATE_HALT; /* In case the HCD restarted the timer, stop it again. */ - hcd->poll_rh = 0; + clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); del_timer_sync(&hcd->rh_timer); if (hcd->irq >= 0) |