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path: root/drivers/usb/core
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Diffstat (limited to 'drivers/usb/core')
-rw-r--r--drivers/usb/core/hcd.c9
-rw-r--r--drivers/usb/core/hcd.h4
-rw-r--r--drivers/usb/core/hub.c9
3 files changed, 0 insertions, 22 deletions
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index f7bfd72ef11..8abd4e59bf4 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -924,15 +924,6 @@ static int register_root_hub(struct usb_hcd *hcd)
return retval;
}
-void usb_enable_root_hub_irq (struct usb_bus *bus)
-{
- struct usb_hcd *hcd;
-
- hcd = container_of (bus, struct usb_hcd, self);
- if (hcd->driver->hub_irq_enable && hcd->state != HC_STATE_HALT)
- hcd->driver->hub_irq_enable (hcd);
-}
-
/*-------------------------------------------------------------------------*/
diff --git a/drivers/usb/core/hcd.h b/drivers/usb/core/hcd.h
index 5b0b59b0d89..e710ce04e22 100644
--- a/drivers/usb/core/hcd.h
+++ b/drivers/usb/core/hcd.h
@@ -212,8 +212,6 @@ struct hc_driver {
int (*bus_suspend)(struct usb_hcd *);
int (*bus_resume)(struct usb_hcd *);
int (*start_port_reset)(struct usb_hcd *, unsigned port_num);
- void (*hub_irq_enable)(struct usb_hcd *);
- /* Needed only if port-change IRQs are level-triggered */
/* force handover of high-speed port to full-speed companion */
void (*relinquish_port)(struct usb_hcd *, int);
@@ -379,8 +377,6 @@ extern struct list_head usb_bus_list;
extern struct mutex usb_bus_list_lock;
extern wait_queue_head_t usb_kill_urb_queue;
-extern void usb_enable_root_hub_irq(struct usb_bus *bus);
-
extern int usb_find_interface_driver(struct usb_device *dev,
struct usb_interface *interface);
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 107e1d25dde..6a5cb018383 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -2102,8 +2102,6 @@ int usb_port_resume(struct usb_device *udev)
}
clear_bit(port1, hub->busy_bits);
- if (!hub->hdev->parent && !hub->busy_bits[0])
- usb_enable_root_hub_irq(hub->hdev->bus);
status = check_port_resume_type(udev,
hub, port1, status, portchange, portstatus);
@@ -3081,11 +3079,6 @@ static void hub_events(void)
}
}
- /* If this is a root hub, tell the HCD it's okay to
- * re-enable port-change interrupts now. */
- if (!hdev->parent && !hub->busy_bits[0])
- usb_enable_root_hub_irq(hdev->bus);
-
loop_autopm:
/* Allow autosuspend if we're not going to run again */
if (list_empty(&hub->event_list))
@@ -3311,8 +3304,6 @@ static int usb_reset_and_verify_device(struct usb_device *udev)
break;
}
clear_bit(port1, parent_hub->busy_bits);
- if (!parent_hdev->parent && !parent_hub->busy_bits[0])
- usb_enable_root_hub_irq(parent_hdev->bus);
if (ret < 0)
goto re_enumerate;