Move usb_autopm_get_interface() ahead of setup_on_usb() to prevent device
from sending usb control message in usb suspend mode.
The error message is as below:
[ 83.944103] btusb 1-2:1.1: usb_suspend_interface: status 0
[ 83.944107] btusb 1-2:1.0: usb_suspend_interface: status 0
[ 83.960132] usb 1-2: usb auto-suspend, wakeup 0
[ 83.976156] usb 1-2: usb_suspend_device: status 0
[ 83.976162] usb 1-2: usb_suspend_both: status 0
[ 298.689106] Bluetooth: hci0
[ 298.689399] Bluetooth: hci0: Failed to access otp area (-113)
Signed-off-by: Ethan Hsieh <ethan.hsieh@xxxxxxxxxxxxx>
---
drivers/bluetooth/btusb.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 8896233..2f633df 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -1043,6 +1043,10 @@ static int btusb_open(struct hci_dev *hdev)
BT_DBG("%s", hdev->name);
+ err = usb_autopm_get_interface(data->intf);
+ if (err < 0)
+ return err;
+
/* Patching USB firmware files prior to starting any URBs of HCI path
* It is more safe to use USB bulk channel for downloading USB patch
*/
@@ -1052,10 +1056,6 @@ static int btusb_open(struct hci_dev *hdev)
return err;
}
- err = usb_autopm_get_interface(data->intf);
- if (err < 0)
- return err;
-
data->intf->needs_remote_wakeup = 1;
if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
--
2.7.4
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