summaryrefslogtreecommitdiffstats
path: root/drivers/usb/core/hub.c
diff options
context:
space:
mode:
authorTakashi Iwai <tiwai@suse.de>2024-05-08 18:16:58 +0200
committerTakashi Iwai <tiwai@suse.de>2024-05-08 18:16:58 +0200
commit9b61b2069681b60d0d0bedbd0fe3c70123dddb19 (patch)
tree483407944dd3037584b8825e0d33feb7f4eddf5f /drivers/usb/core/hub.c
parentb9112b17950c955071abfd4331d4daa162d6ec4d (diff)
parent2ff85dc64df5bc0ff12e2f4e23fae7bbadbf1d5d (diff)
downloadlinux-stable-9b61b2069681b60d0d0bedbd0fe3c70123dddb19.tar.gz
linux-stable-9b61b2069681b60d0d0bedbd0fe3c70123dddb19.tar.bz2
linux-stable-9b61b2069681b60d0d0bedbd0fe3c70123dddb19.zip
Merge branch 'topic/hda-config-pm-cleanup' into for-next
Pull HD-audio CONFIG_PM cleanup. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'drivers/usb/core/hub.c')
-rw-r--r--drivers/usb/core/hub.c23
1 files changed, 16 insertions, 7 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 3ee8455585b6..9446660e231b 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -130,7 +130,6 @@ EXPORT_SYMBOL_GPL(ehci_cf_port_reset_rwsem);
#define HUB_DEBOUNCE_STEP 25
#define HUB_DEBOUNCE_STABLE 100
-static void hub_release(struct kref *kref);
static int usb_reset_and_verify_device(struct usb_device *udev);
static int hub_port_disable(struct usb_hub *hub, int port1, int set_state);
static bool hub_port_warm_reset_required(struct usb_hub *hub, int port1,
@@ -720,14 +719,14 @@ static void kick_hub_wq(struct usb_hub *hub)
*/
intf = to_usb_interface(hub->intfdev);
usb_autopm_get_interface_no_resume(intf);
- kref_get(&hub->kref);
+ hub_get(hub);
if (queue_work(hub_wq, &hub->events))
return;
/* the work has already been scheduled */
usb_autopm_put_interface_async(intf);
- kref_put(&hub->kref, hub_release);
+ hub_put(hub);
}
void usb_kick_hub_wq(struct usb_device *hdev)
@@ -1095,7 +1094,7 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
goto init2;
goto init3;
}
- kref_get(&hub->kref);
+ hub_get(hub);
/* The superspeed hub except for root hub has to use Hub Depth
* value as an offset into the route string to locate the bits
@@ -1343,7 +1342,7 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
device_unlock(&hdev->dev);
}
- kref_put(&hub->kref, hub_release);
+ hub_put(hub);
}
/* Implement the continuations for the delays above */
@@ -1759,6 +1758,16 @@ static void hub_release(struct kref *kref)
kfree(hub);
}
+void hub_get(struct usb_hub *hub)
+{
+ kref_get(&hub->kref);
+}
+
+void hub_put(struct usb_hub *hub)
+{
+ kref_put(&hub->kref, hub_release);
+}
+
static unsigned highspeed_hubs;
static void hub_disconnect(struct usb_interface *intf)
@@ -1807,7 +1816,7 @@ static void hub_disconnect(struct usb_interface *intf)
onboard_hub_destroy_pdevs(&hub->onboard_hub_devs);
- kref_put(&hub->kref, hub_release);
+ hub_put(hub);
}
static bool hub_descriptor_is_sane(struct usb_host_interface *desc)
@@ -5934,7 +5943,7 @@ out_hdev_lock:
/* Balance the stuff in kick_hub_wq() and allow autosuspend */
usb_autopm_put_interface(intf);
- kref_put(&hub->kref, hub_release);
+ hub_put(hub);
kcov_remote_stop();
}