[Bug 100651] New: Bluetooth broken on MBA 6,2 since Kernel v4.1

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https://bugzilla.kernel.org/show_bug.cgi?id=100651

            Bug ID: 100651
           Summary: Bluetooth broken on MBA 6,2 since Kernel v4.1
           Product: Drivers
           Version: 2.5
    Kernel Version: 4.1.0-040100-generic #201506220235 (Ubuntu)
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Bluetooth
          Assignee: linux-bluetooth@xxxxxxxxxxxxxxx
          Reporter: kernel@xxxxxxxxxxxxxx
        Regression: No

Created attachment 181251
  --> https://bugzilla.kernel.org/attachment.cgi?id=181251&action=edit
Kernellog

On Macbook Air 6,2 bluetooth was working till kernel v4.0.3. In version 4.1
bluetooth support is broken:

sudo hciconfig hci0 up
Can't init device hci0: Device or resource busy (16)

dmesg | grep hci0
[  774.467449] Bluetooth: hci0: BCM: Read verbose config info failed (-16)

lsusb | grep -i blue
Bus 001 Device 005: ID 05ac:820b Apple, Inc. Bluetooth HID Mouse
Bus 001 Device 004: ID 05ac:820a Apple, Inc. Bluetooth HID Keyboard
Bus 001 Device 002: ID 0a5c:4500 Broadcom Corp. BCM2046B1 USB 2.0 Hub (part of
BCM2046 Bluetooth)

You will find dmesg, Kernel-Configs and lsusb output attached.

Christoph

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