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-rw-r--r--drivers/usb/core/hub.c21
-rw-r--r--drivers/usb/core/hub.h1
2 files changed, 9 insertions, 13 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 08562711dcf2..3e1215f7a9a0 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -1074,12 +1074,11 @@ int usb_remove_device(struct usb_device *udev)
enum hub_activation_type {
HUB_INIT, HUB_INIT2, HUB_INIT3, /* INITs must come first */
- HUB_POST_RESET, HUB_RESUME, HUB_RESET_RESUME, HUB_POST_RESUME,
+ HUB_POST_RESET, HUB_RESUME, HUB_RESET_RESUME,
};
static void hub_init_func2(struct work_struct *ws);
static void hub_init_func3(struct work_struct *ws);
-static void hub_post_resume(struct work_struct *ws);
static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
{
@@ -1103,12 +1102,6 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
goto init3;
}
- if (type == HUB_POST_RESUME) {
- usb_autopm_put_interface_async(to_usb_interface(hub->intfdev));
- hub_put(hub);
- return;
- }
-
hub_get(hub);
/* The superspeed hub except for root hub has to use Hub Depth
@@ -1362,8 +1355,8 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
usb_autopm_get_interface_no_resume(
to_usb_interface(hub->intfdev));
- INIT_DELAYED_WORK(&hub->init_work, hub_post_resume);
- queue_delayed_work(system_power_efficient_wq, &hub->init_work,
+ queue_delayed_work(system_power_efficient_wq,
+ &hub->post_resume_work,
msecs_to_jiffies(USB_SS_PORT_U0_WAKE_TIME));
return;
}
@@ -1388,9 +1381,10 @@ static void hub_init_func3(struct work_struct *ws)
static void hub_post_resume(struct work_struct *ws)
{
- struct usb_hub *hub = container_of(ws, struct usb_hub, init_work.work);
+ struct usb_hub *hub = container_of(ws, struct usb_hub, post_resume_work.work);
- hub_activate(hub, HUB_POST_RESUME);
+ usb_autopm_put_interface_async(to_usb_interface(hub->intfdev));
+ hub_put(hub);
}
enum hub_quiescing_type {
@@ -1418,7 +1412,7 @@ static void hub_quiesce(struct usb_hub *hub, enum hub_quiescing_type type)
/* Stop hub_wq and related activity */
timer_delete_sync(&hub->irq_urb_retry);
- flush_delayed_work(&hub->init_work);
+ flush_delayed_work(&hub->post_resume_work);
usb_kill_urb(hub->urb);
if (hub->has_indicators)
cancel_delayed_work_sync(&hub->leds);
@@ -1977,6 +1971,7 @@ static int hub_probe(struct usb_interface *intf, const struct usb_device_id *id)
hub->hdev = hdev;
INIT_DELAYED_WORK(&hub->leds, led_work);
INIT_DELAYED_WORK(&hub->init_work, NULL);
+ INIT_DELAYED_WORK(&hub->post_resume_work, hub_post_resume);
INIT_WORK(&hub->events, hub_event);
INIT_LIST_HEAD(&hub->onboard_devs);
spin_lock_init(&hub->irq_urb_lock);
diff --git a/drivers/usb/core/hub.h b/drivers/usb/core/hub.h
index e6ae73f8a95d..9ebc5ef54a32 100644
--- a/drivers/usb/core/hub.h
+++ b/drivers/usb/core/hub.h
@@ -70,6 +70,7 @@ struct usb_hub {
u8 indicator[USB_MAXCHILDREN];
struct delayed_work leds;
struct delayed_work init_work;
+ struct delayed_work post_resume_work;
struct work_struct events;
spinlock_t irq_urb_lock;
struct timer_list irq_urb_retry;