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Tue, 09 Jun 2026 00:53:34 -0700 (PDT) Received: from QCOM-eG0v1AUPpu.na.qualcomm.com ([2a01:e0a:830:450:cc96:22ae:323b:9eff]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-68e64303892sm8121631a12.0.2026.06.09.00.53.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Jun 2026 00:53:32 -0700 (PDT) From: Loic Poulain Date: Tue, 09 Jun 2026 09:52:32 +0200 Subject: [PATCH v4 7/8] Bluetooth: qca: Set NVMEM BD address quirks when address is invalid Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260609-block-as-nvmem-v4-7-45712e6b22c6@oss.qualcomm.com> References: <20260609-block-as-nvmem-v4-0-45712e6b22c6@oss.qualcomm.com> In-Reply-To: <20260609-block-as-nvmem-v4-0-45712e6b22c6@oss.qualcomm.com> To: Ulf Hansson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio , Jens Axboe , Johannes Berg , Jeff Johnson , Bartosz Golaszewski , Marcel Holtmann , Luiz Augusto von Dentz , Balakrishna Godavarthi , Rocky Liao , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Srinivas Kandagatla , Andrew Lunn , Heiner Kallweit , Russell King , Saravana Kannan Cc: linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-block@vger.kernel.org, linux-wireless@vger.kernel.org, ath10k@lists.infradead.org, linux-bluetooth@vger.kernel.org, netdev@vger.kernel.org, daniel@makrotopia.org, Loic Poulain , Bartosz Golaszewski X-Mailer: b4 0.14.2 X-Proofpoint-ORIG-GUID: qZKjVOS5VHVSXtByxooXVYVDP5AW3gEM X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjA5MDA3MyBTYWx0ZWRfX49AdnT8iz7uq 3qtaQtxE/8T8swet86owQTd9dz96kaA4h7K6cwrZIhuE74t3tNwGq/xD+V0JbZ9XnyJd2+xLqQB Z9r8wU/5SUVqK1jEHpQV8aSV3raIXpNsfZIZ81S7qoMNLePZDHwNeKaf7GTheojU523oYJtbZ7K KzWSK4NjaUZ8zFo5BGeTLxKqDMLUFvoREM4LQUU1Pjln4FQMJbLqIdjvjwu/JZWxsxQylfqvgVq DaPRas0EXMx2yrXb86zhI0mK7FjY1oJ0aeMI7z7/wZ/4YfkmNlXDAPRZ01ip6TQ4JVq3VyxR9aB +EE0XaVrG9Ep8efXvD/emr9k/RaXsh1a/0oF6+kdGj9Y3EUp8xb3yHNd4JMRaol0ExchsWVxUOY iezxw3BYEAYMfyvsobQFooGrVTtXtMI7OlGIMhbsTIKy16L5y9Li/bao7JbZUmJjz7XfPqpOpWF r2PeTYfX0NLk7w4c8iw== X-Proofpoint-GUID: qZKjVOS5VHVSXtByxooXVYVDP5AW3gEM X-Authority-Analysis: v=2.4 cv=LoqiDHdc c=1 sm=1 tr=0 ts=6a27c67e cx=c_pps a=EVbN6Ke/fEF3bsl7X48z0g==:117 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=EUspDBNiAAAA:8 a=99fXo_IpyjsNTNVBUdkA:9 a=QEXdDO2ut3YA:10 a=a_PwQJl-kcHnX1M80qC6:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-09_01,2026-06-09_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 spamscore=0 bulkscore=0 phishscore=0 impostorscore=0 adultscore=0 suspectscore=0 malwarescore=0 clxscore=1015 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605210000 definitions=main-2606090073 When the controller BD address is invalid (zero or default), set the NVMEM quirks to allow retrieving the address from a 'local-bd-address' NVMEM cell. The BD address is often stored alongside the WiFi MAC address in big-endian format, so also set the big-endian quirk. Reviewed-by: Bartosz Golaszewski Signed-off-by: Loic Poulain --- drivers/bluetooth/btqca.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c index dda76365726f0bfe0e80e05fe04859fa4f0592e1..df33eacfd29fa680f393f90215150743e6001d5b 100644 --- a/drivers/bluetooth/btqca.c +++ b/drivers/bluetooth/btqca.c @@ -721,8 +721,11 @@ static int qca_check_bdaddr(struct hci_dev *hdev, const struct qca_fw_config *co } bda = (struct hci_rp_read_bd_addr *)skb->data; - if (!bacmp(&bda->bdaddr, &config->bdaddr)) + if (!bacmp(&bda->bdaddr, &config->bdaddr)) { hci_set_quirk(hdev, HCI_QUIRK_USE_BDADDR_PROPERTY); + hci_set_quirk(hdev, HCI_QUIRK_USE_BDADDR_NVMEM); + hci_set_quirk(hdev, HCI_QUIRK_BDADDR_NVMEM_BE); + } kfree_skb(skb); -- 2.34.1