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From: Loic Poulain <loic.poulain@oss.qualcomm.com>
To: Ulf Hansson <ulfh@kernel.org>, Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Konrad Dybcio <konradybcio@kernel.org>,
	Jens Axboe <axboe@kernel.dk>,
	Johannes Berg <johannes@sipsolutions.net>,
	Jeff Johnson <jjohnson@kernel.org>,
	Bartosz Golaszewski <brgl@kernel.org>,
	Marcel Holtmann <marcel@holtmann.org>,
	Luiz Augusto von Dentz <luiz.dentz@gmail.com>,
	Balakrishna Godavarthi <quic_bgodavar@quicinc.com>,
	Rocky Liao <quic_rjliao@quicinc.com>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Simon Horman <horms@kernel.org>
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 <loic.poulain@oss.qualcomm.com>
Subject: [PATCH 8/9] Bluetooth: qca: Set NVMEM BD address quirks when address is invalid
Date: Tue, 28 Apr 2026 16:23:13 +0200	[thread overview]
Message-ID: <20260428-block-as-nvmem-v1-8-6ad23e75190a@oss.qualcomm.com> (raw)
In-Reply-To: <20260428-block-as-nvmem-v1-0-6ad23e75190a@oss.qualcomm.com>

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.

Signed-off-by: Loic Poulain <loic.poulain@oss.qualcomm.com>
---
 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


  parent reply	other threads:[~2026-04-28 14:23 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-28 14:23 [PATCH 0/9] Support for block device NVMEM providers Loic Poulain
2026-04-28 14:23 ` [PATCH 1/9] dt-bindings: mmc: Document support for nvmem-layout Loic Poulain
2026-04-30  9:59   ` Krzysztof Kozlowski
2026-04-30 13:13     ` Loic Poulain
2026-04-28 14:23 ` [PATCH 2/9] arm64: dts: qcom: arduino-imola: Describe boot1 NVMEM layout Loic Poulain
2026-04-30  9:43   ` Krzysztof Kozlowski
2026-04-28 14:23 ` [PATCH 3/9] block: implement NVMEM provider Loic Poulain
2026-04-28 14:23 ` [PATCH 4/9] dt-bindings: net: wireless: qcom,ath10k: Add NVMEM MAC address cell Loic Poulain
2026-04-29  9:31   ` Konrad Dybcio
2026-04-28 14:23 ` [PATCH 5/9] arm64: dts: qcom: arduino-imola: Get WiFi MAC from NVMEM Loic Poulain
2026-04-29  9:30   ` Konrad Dybcio
2026-04-28 14:23 ` [PATCH 6/9] dt-bindings: bluetooth: qcom: Add NVMEM BD address cell Loic Poulain
2026-04-28 14:23 ` [PATCH 7/9] Bluetooth: hci_sync: Add NVMEM-backed BD address retrieval Loic Poulain
2026-04-29  8:53   ` Bartosz Golaszewski
2026-04-29 13:15     ` Andrew Lunn
2026-04-29 16:22       ` Loic Poulain
2026-04-28 14:23 ` Loic Poulain [this message]
2026-04-28 14:23 ` [PATCH 9/9] arm64: dts: qcom: arduino-imola: Get Bluetooth BD address from NVMEM Loic Poulain
2026-04-29  9:32   ` Konrad Dybcio
2026-04-29  1:05 ` [PATCH 0/9] Support for block device NVMEM providers Andrew Lunn
2026-04-29 20:20   ` Loic Poulain

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