linux-kernel - [PATCH v3 0/2] Add WCN3988 Bluetooth support for Fairphone 4

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Message-Id: <20230802-fp4-bluetooth-v3-0-7c9e7a6e624b@fairphone.com>
Date:   Wed, 02 Aug 2023 08:56:27 +0200
From:   Luca Weiss <luca.weiss@...rphone.com>
To:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Marcel Holtmann <marcel@...tmann.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        Luiz Augusto von Dentz <luiz.dentz@...il.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Balakrishna Godavarthi <quic_bgodavar@...cinc.com>,
        Rocky Liao <quic_rjliao@...cinc.com>
Cc:     ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
        netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-bluetooth@...r.kernel.org,
        linux-arm-msm@...r.kernel.org,
        Luca Weiss <luca.weiss@...rphone.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v3 0/2] Add WCN3988 Bluetooth support for Fairphone 4

Add support in the btqca/hci_qca driver for the WCN3988 and add it to
the sm7225 Fairphone 4 devicetree.

Devicetree patches go via Qualcomm tree, the rest via their respective
trees.

--
Previously with the RFC version I've had problems before with Bluetooth
scanning failing like the following:

  [bluetooth]# scan on
  Failed to start discovery: org.bluez.Error.InProgress

  [  202.371374] Bluetooth: hci0: Opcode 0x200b failed: -16

This appears to only happen with driver built-in (=y) when the supported
local commands list doesn't get updated in the Bluetooth core and
use_ext_scan() returning false. I'll try to submit this separately since
this now works well enough with =m. But in both cases (=y, =m) it's
behaving a bit weirdly before (re-)setting the MAC address with "sudo
btmgmt public-addr fo:oo:ba:ar"

Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
---
Changes in v3:
- Drop applied patches and resend
- Link to v2: https://lore.kernel.org/r/20230421-fp4-bluetooth-v2-0-3de840d5483e@fairphone.com

Changes in v2:
- Add pinctrl & 'tlmm 64' irq to uart node
- Pick up tags
- Link to v1: https://lore.kernel.org/r/20230421-fp4-bluetooth-v1-0-0430e3a7e0a2@fairphone.com

---
Luca Weiss (2):
      dt-bindings: net: qualcomm: Add WCN3988
      Bluetooth: btqca: Add WCN3988 support

 .../bindings/net/bluetooth/qualcomm-bluetooth.yaml          |  2 ++
 drivers/bluetooth/btqca.c                                   | 13 +++++++++++--
 drivers/bluetooth/btqca.h                                   | 12 ++++++++++--
 drivers/bluetooth/hci_qca.c                                 | 12 ++++++++++++
 4 files changed, 35 insertions(+), 4 deletions(-)
---
base-commit: 7093f04e534f48181e5d5fccbcf99c37ab96929a
change-id: 20230421-fp4-bluetooth-b36a0e87b9c8

Best regards,
-- 
Luca Weiss <luca.weiss@...rphone.com>