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Sat, 03 Oct 2026 02:15:27 -0700 (PDT) From: Franz To: Jeff Johnson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio Cc: Johannes Berg , Abel Vesa , ath12k@lists.infradead.org, linux-wireless@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH RFC 2/3] wifi: ath12k: honour disable-rfkill from the device tree Date: Sat, 3 Oct 2026 11:15:08 +0200 Message-ID: <20261003091509.4822-3-franzelfranzel@gmail.com> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261003091509.4822-1-franzelfranzel@gmail.com> References: <20261003091509.4822-1-franzelfranzel@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit ath12k_core_rfkill_config() skips the hardware rfkill setup only when ACPI says so. DT-based boards have no equivalent. On the Microsoft Surface Pro 11 (X1E80100), the WCN7850 rfkill input reads as "radio off", so the interface is hard-blocked: iwd: Error bringing interface 4 up: Operation not possible due to RF-kill Also skip the setup when the device's DT node has "disable-rfkill". The PCI core attaches the node to the pci_dev, so ab->dev->of_node sees it. Tested on a Surface Pro 11 with next-20260929 and the matching DT change: the interface comes up and connects (5 GHz, 160 MHz). Assisted-by: Claude:claude-opus-5-5 Signed-off-by: Franz --- drivers/net/wireless/ath/ath12k/core.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/wireless/ath/ath12k/core.c b/drivers/net/wireless/ath/ath12k/core.c index 0c72948f3..8cac84917 100644 --- a/drivers/net/wireless/ath/ath12k/core.c +++ b/drivers/net/wireless/ath/ath12k/core.c @@ -83,6 +83,9 @@ static int ath12k_core_rfkill_config(struct ath12k_base *ab) if (ath12k_acpi_get_disable_rfkill(ab)) return 0; + if (of_property_read_bool(ab->dev->of_node, "disable-rfkill")) + return 0; + for (i = 0; i < ab->num_radios; i++) { ar = ab->pdevs[i].ar; -- 2.56.0