linux-kernel - Re: [GIT PULL 1/2] bcm2835-dt-fixes-2017-10-06

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Date:   Tue, 21 Nov 2017 10:03:53 +0000
From:   Peter Robinson <pbrobinson@...il.com>
To:     Loic Poulain <loic.poulain@...il.com>
Cc:     Marcel Holtmann <marcel@...tmann.org>,
        Stefan Wahren <stefan.wahren@...e.com>,
        Matt Hart <matt@...tface.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        bcm-kernel-feedback-list@...adcom.com,
        linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        Eric Anholt <eric@...olt.net>
Subject: Re: [GIT PULL 1/2] bcm2835-dt-fixes-2017-10-06

Hi Loic,

>> With 4.14 I get the following, the address doesn't look right, do you
>> have a link to the serdev patch headed to 4.15?
>>
>> # hciconfig
>> hci0:   Type: Primary  Bus: UART
>>         BD Address: AA:AA:AA:AA:AA:AA  ACL MTU: 1021:8  SCO MTU: 64:1
>>         DOWN
>>         RX bytes:542 acl:0 sco:0 events:11 errors:0
>>         TX bytes:77 acl:0 sco:0 commands:17 errors:0
>
>
> HCI link seems ok since you have some events/commands in the stats.
> It could be a firmware issue, missing or at the wrong place (BCM43xxx.hcd).
> Does the hci_bcm request firmware call fail ? (dev_info message).

So it seems it's actually working fine albeit the strange mac addr, no
idea what I was trying before, although there's an error about loading
firmware:

[   31.035291] Bluetooth: hci0: BCM: chip id 94
[   31.035801] Bluetooth: hci0: BCM: features 0x2e
[   31.037483] Bluetooth: hci0: BCM43430A1
[   31.037498] Bluetooth: hci0: BCM43430A1 (001.002.009) build 0000
[   31.037694] bluetooth hci0: Direct firmware load for
brcm/BCM43430A1.hcd failed with error -2
[   31.037704] Bluetooth: hci0: BCM: Patch brcm/BCM43430A1.hcd not found

By adding a firmware [1] to the location it actually now stops
working, although shows up with a hciconfig, and had the following
errors.

[   26.078038] Bluetooth: hci0: BCM: chip id 94
[   26.096797] Bluetooth: hci0: BCM: features 0x2e
[   28.130753] Bluetooth: hci0 command 0x0c14 tx timeout
[   36.322725] Bluetooth: hci0: BCM: Reading local name failed (-110)

Thanks,
Peter