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path: root/drivers/usb/core/driver.c
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Diffstat (limited to 'drivers/usb/core/driver.c')
-rw-r--r--drivers/usb/core/driver.c28
1 files changed, 14 insertions, 14 deletions
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index e76e95f62f76..a1f225f077cd 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -512,7 +512,6 @@ int usb_driver_claim_interface(struct usb_driver *driver,
struct device *dev;
struct usb_device *udev;
int retval = 0;
- int lpm_disable_error = -ENODEV;
if (!iface)
return -ENODEV;
@@ -533,16 +532,6 @@ int usb_driver_claim_interface(struct usb_driver *driver,
iface->condition = USB_INTERFACE_BOUND;
- /* See the comment about disabling LPM in usb_probe_interface(). */
- if (driver->disable_hub_initiated_lpm) {
- lpm_disable_error = usb_unlocked_disable_lpm(udev);
- if (lpm_disable_error) {
- dev_err(&iface->dev, "%s Failed to disable LPM for driver %s\n",
- __func__, driver->name);
- return -ENOMEM;
- }
- }
-
/* Claimed interfaces are initially inactive (suspended) and
* runtime-PM-enabled, but only if the driver has autosuspend
* support. Otherwise they are marked active, to prevent the
@@ -561,9 +550,20 @@ int usb_driver_claim_interface(struct usb_driver *driver,
if (device_is_registered(dev))
retval = device_bind_driver(dev);
- /* Attempt to re-enable USB3 LPM, if the disable was successful. */
- if (!lpm_disable_error)
- usb_unlocked_enable_lpm(udev);
+ if (retval) {
+ dev->driver = NULL;
+ usb_set_intfdata(iface, NULL);
+ iface->needs_remote_wakeup = 0;
+ iface->condition = USB_INTERFACE_UNBOUND;
+
+ /*
+ * Unbound interfaces are always runtime-PM-disabled
+ * and runtime-PM-suspended
+ */
+ if (driver->supports_autosuspend)
+ pm_runtime_disable(dev);
+ pm_runtime_set_suspended(dev);
+ }
return retval;
}