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Bluetooth: btusb: Implement hdev->prevent_wake
Implement the prevent_wake hook by checking device_may_wakeup on the usb interface. This prevents the Bluetooth core from enabling scanning when the device isn't expected to wake from suspend. Signed-off-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org> Reviewed-by: Alain Michaud <alainm@chromium.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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@ -3698,6 +3698,13 @@ static void btusb_check_needs_reset_resume(struct usb_interface *intf)
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interface_to_usbdev(intf)->quirks |= USB_QUIRK_RESET_RESUME;
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}
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static bool btusb_prevent_wake(struct hci_dev *hdev)
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{
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struct btusb_data *data = hci_get_drvdata(hdev);
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return !device_may_wakeup(&data->udev->dev);
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}
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static int btusb_probe(struct usb_interface *intf,
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const struct usb_device_id *id)
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{
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@ -3831,6 +3838,7 @@ static int btusb_probe(struct usb_interface *intf,
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hdev->flush = btusb_flush;
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hdev->send = btusb_send_frame;
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hdev->notify = btusb_notify;
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hdev->prevent_wake = btusb_prevent_wake;
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#ifdef CONFIG_PM
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err = btusb_config_oob_wake(hdev);
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