diff options
Diffstat (limited to 'drivers/usb/core/hub.c')
| -rw-r--r-- | drivers/usb/core/hub.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 8a4dcbc7a75f..46f5161c7891 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -1728,8 +1728,14 @@ static int hub_probe(struct usb_interface *intf, const struct usb_device_id *id) * - Change autosuspend delay of hub can avoid unnecessary auto * suspend timer for hub, also may decrease power consumption * of USB bus. + * + * - If user has indicated to prevent autosuspend by passing + * usbcore.autosuspend = -1 then keep autosuspend disabled. */ - pm_runtime_set_autosuspend_delay(&hdev->dev, 0); +#ifdef CONFIG_PM_RUNTIME + if (hdev->dev.power.autosuspend_delay >= 0) + pm_runtime_set_autosuspend_delay(&hdev->dev, 0); +#endif /* * Hubs have proper suspend/resume support, except for root hubs @@ -2107,8 +2113,8 @@ void usb_disconnect(struct usb_device **pdev) { struct usb_port *port_dev = NULL; struct usb_device *udev = *pdev; - struct usb_hub *hub; - int port1; + struct usb_hub *hub = NULL; + int port1 = 1; /* mark the device as inactive, so any further urb submissions for * this device (and any of its children) will fail immediately. @@ -4631,9 +4637,7 @@ static void hub_port_connect(struct usb_hub *hub, int port1, u16 portstatus, if (status != -ENODEV && port1 != unreliable_port && printk_ratelimit()) - dev_err(&udev->dev, "connect-debounce failed, port %d disabled\n", - port1); - + dev_err(&port_dev->dev, "connect-debounce failed\n"); portstatus &= ~USB_PORT_STAT_CONNECTION; unreliable_port = port1; } else { |