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Subject: Re: [PATCH] Bluetooth: btbcm: Add default address for BCM43341B
From:   Marcel Holtmann <marcel@holtmann.org>
In-Reply-To: <20190409141550.19458-1-ftoth@exalondelft.nl>
Date:   Tue, 23 Apr 2019 19:09:08 +0200
Cc:     andriy.shevchenko@linux.intel.com, Daniel Wagner <wagi@monom.org>,
        Johan Hedberg <johan.hedberg@gmail.com>,
        linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org
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Message-Id: <4A3856F7-29F1-47A9-BFDB-B4B07E9BA720@holtmann.org>
References: <20190409141550.19458-1-ftoth@exalondelft.nl>
To:     Ferry Toth <ftoth@exalondelft.nl>
Sender: linux-bluetooth-owner@vger.kernel.org
Precedence: bulk

Hi Ferry,

> The BCM43341B has the default MAC address 43:34:1B:00:1F:AC if none
> is given. This address was found when enabling Bluetooth on multiple
> Intel Edison modules. It also contains the sequence 43341B, the name
> the chip identifies itself as. Using the same BD_ADDR is problematic
> when having multiple Intel Edison modules in each others range.
> The default address also has the LAA (locally administered address)
> bit set which prevents a BNEP device from being created, needed for
> BT tethering.
> 
> Add this to the list of black listed default MAC addresses and let
> the user configure a valid one using f.i.
> `btmgmt -i hci0 public-addr xx:xx:xx:xx:xx:xx`
> 
> Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> Signed-off-by: Ferry Toth <ftoth@exalondelft.nl>
> ---
> drivers/bluetooth/btbcm.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)

patch has been applied to bluetooth-next tree.

Regards

Marcel