diff options
Diffstat (limited to 'drivers/usb/core/driver.c')
| -rw-r--r-- | drivers/usb/core/driver.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index 34e3da5aa72..75b4bc03e2e 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -1583,7 +1583,7 @@ int usb_autopm_get_interface_async(struct usb_interface *intf) dev_vdbg(&intf->dev, "%s: cnt %d -> %d\n", __func__, atomic_read(&intf->dev.power.usage_count), status); - if (status > 0) + if (status > 0 || status == -EINPROGRESS) status = 0; return status; } @@ -1668,6 +1668,11 @@ int usb_runtime_suspend(struct device *dev) return -EAGAIN; status = usb_suspend_both(udev, PMSG_AUTO_SUSPEND); + + /* Allow a retry if autosuspend failed temporarily */ + if (status == -EAGAIN || status == -EBUSY) + usb_mark_last_busy(udev); + /* The PM core reacts badly unless the return code is 0, * -EAGAIN, or -EBUSY, so always return -EBUSY on an error. */ |