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Thu, 16 Jul 2026 09:18:34 -0700 (PDT) X-Received: by 2002:a05:622a:190c:b0:51b:fde4:cd4f with SMTP id d75a77b69052e-51e4237cd7bmr114630181cf.30.1784218714223; Thu, 16 Jul 2026 09:18:34 -0700 (PDT) Received: from QCOM-eG0v1AUPpu.na.qualcomm.com ([2a01:e0a:830:450:751c:d61c:c91:60dd]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c168744bdddsm257262866b.48.2026.07.16.09.18.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Jul 2026 09:18:33 -0700 (PDT) From: Loic Poulain Date: Thu, 16 Jul 2026 18:18:23 +0200 Subject: [PATCH v4 06/11] Bluetooth: hci_qca: Set 'bt_en_available' based on pwrseq power controllability Precedence: bulk X-Mailing-List: devicetree@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: <20260716-monza-wireless-v4-6-9b02e6f549d7@oss.qualcomm.com> References: <20260716-monza-wireless-v4-0-9b02e6f549d7@oss.qualcomm.com> In-Reply-To: <20260716-monza-wireless-v4-0-9b02e6f549d7@oss.qualcomm.com> To: Manivannan Sadhasivam , Bartosz Golaszewski , Marcel Holtmann , Luiz Augusto von Dentz , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-pci@vger.kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-bluetooth@vger.kernel.org, devicetree@vger.kernel.org, Manivannan Sadhasivam , Loic Poulain X-Mailer: b4 0.14.2 X-Authority-Analysis: v=2.4 cv=JeeMa0KV c=1 sm=1 tr=0 ts=6a59045c cx=c_pps a=EVbN6Ke/fEF3bsl7X48z0g==:117 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=EUspDBNiAAAA:8 a=kStU6zbECEpzgAoP-VAA:9 a=QEXdDO2ut3YA:10 a=a_PwQJl-kcHnX1M80qC6:22 X-Proofpoint-ORIG-GUID: 88IHs69lIwYoO5bo1v_jjXVS1zDPgna5 X-Proofpoint-GUID: 88IHs69lIwYoO5bo1v_jjXVS1zDPgna5 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzE2MDE2NiBTYWx0ZWRfXx4qMm3XT9aaR kwdmvtFPH9hMe6KaEx9YBfly8sI6zPPPfWQtu4LD8z2ZgTysDJkFcs+faBuHSF4IA5b0B82NQdT khHndifJdV99E1bWhFhK71eofLU7vTo= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzE2MDE2NiBTYWx0ZWRfX8naykVME7ca8 UhnhProNJIBji2a58ZkB1qProyaJFtfN74rhhtigWfKW2N5r/OEmEMOkK8c4yFUZdoT1dUbHec1 2YQI8TIwvjFhDZ5eY3okzQaJbukce5kFwRdyhcbJtlRqv9AUyJTg8hH3oSJl4zKX2N3O5zNasX2 tBk7cj0XsMrY3eWuRj4HmxGmpA4VrNIKDvDlosSbLSULo0Asd/j4+4NTd5013VQQHXy/QgNXpUf PfNEmfgNAGfqD7pCRqXZkD4RIckcrwRyL7HpYI1n9ArjV3f8maOjN/rQUMxl/GLog9IqoqV4HpP gVojzXvihMNAgPdJDYNWBm26LBHX6YbQMVgo7ISW5IBJ2iiFmZr1flrvQAL6HjPNEiCsG0o0M9Y yahsTSJJ6ounmoZVPc/OpfV9AhBMJn9eSmT19/IeFmjh3cXlgyFrENrAWIOUG0OJNFlKxi5uci7 +5pt3kiQgWt6S9SKxAg== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-16_05,2026-07-15_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 adultscore=0 clxscore=1015 suspectscore=0 lowpriorityscore=0 priorityscore=1501 impostorscore=0 phishscore=0 malwarescore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607160166 A Bluetooth device only needs the non-persistent setup if the host can gate its power, so that it is actually reset on the next power-on. When the power is controlled by a power sequencer, whether the host can gate it depends on the hardware wiring, e.g. the presence of the BT_EN or W_DISABLE2# line. Query the generic pwrseq_is_controllable() helper whenever the BT power comes from a sequencer, regardless of which provider it is (M2, WCN, ...). If the power is not controllable, clear 'bt_en_available' so that HCI_QUIRK_NON_PERSISTENT_SETUP is not set. This is based on Manivannan's original patch that keyed the decision off the W_DISABLE2# device tree property, it now uses the generic pwrseq helper and handles the always-on case. Signed-off-by: Loic Poulain --- drivers/bluetooth/hci_qca.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index 17f436484e1e74d1dd690ada22134315abb767c4..41e8c302abc2a820022d1783f1fad76b358ae67c 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -2548,7 +2548,18 @@ static int qca_serdev_probe(struct serdev_device *serdev) return PTR_ERR(qcadev->susclk); } } - + + if (qcadev->bt_power->pwrseq) { + bt_en_available = pwrseq_is_controllable(qcadev->bt_power->pwrseq); + if (!bt_en_available) { + /* The host cannot gate the BT power individually. + * Treat it as always-on and drop the pwrseq handle. + */ + pwrseq_power_on(qcadev->bt_power->pwrseq); + qcadev->bt_power->pwrseq = NULL; + } + } + err = hci_uart_register_device(&qcadev->serdev_hu, &qca_proto); if (err) { BT_ERR("serdev registration failed"); -- 2.34.1