From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CB5F13815F1; Wed, 22 Apr 2026 11:25:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776857112; cv=none; b=exM5qG9/Rw4LFe6Vg1ADBMH5AIT4qIqf7fDVzNaxajVROz5I8BiRSsCHGxi5Y/sFj4TucaazH9OxB7aEcdLtgTHPKSGOV72J6Gqs0GPi8vl/OOVpCsZuv9bR2TClMvP7+w+IYGaOzd0e5lGSbZLuBORQS2E4PqK4aDKWbF+dekE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776857112; c=relaxed/simple; bh=lqk3QdLBMm60ixEGqFx4KyHoJO7Nz6868LggAMS8LtY=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=pgjJFjKOnQNnX/mFNHyJ8Z/Cnbl4G/cPWfQ/I8lgO9MpAUn2PWCnDaVpyR8AHjX8B/eaPSRe6aUYUl2KYUnaqTLr+VOKOYhEOZTJsnswqVebG85aOovuQb2pn3yIwMSzk6/BelHOOcw37yhCpPz7ET73UnK5Kri5DhYAU7N8cj0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=kIR6rp2V; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="kIR6rp2V" Received: by smtp.kernel.org (Postfix) with ESMTPS id 658C6C19425; Wed, 22 Apr 2026 11:25:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1776857112; bh=lqk3QdLBMm60ixEGqFx4KyHoJO7Nz6868LggAMS8LtY=; h=From:Subject:Date:To:Cc:Reply-To:From; b=kIR6rp2Vu1BnKdcfqcJYA4zIQ94njZwWTA/DCn2B7lwVOSyO+tawSqkzlOVo6+rKw d+4c7+Mj7z3ELj93WICzPQrtzxlQnv+vFVw3d6X/8r3HO5Ihueo/tIm5tHT9J7jwMD YHYqC2s6tZ+AHuA3m4BfStRf6UagheUkYJVitk2ruGogw2ZL63+B1x90twLaZXoi0n uycMrfXY/bIsr2bshI2B/G3kJ+PqR6MqOts0kRgk27/ay2d/Vk+cVcdbaMEIyT0bGQ Alq2DS7xO7VzlA1TdagMYgpxTuG9UiQOhxJIp2qaU/mPN8uwoe3UtZ1kVB+cK6sBcQ IAl8vVfmuqfHA== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 53B5BF9B606; Wed, 22 Apr 2026 11:25:12 +0000 (UTC) From: Manivannan Sadhasivam via B4 Relay Subject: [PATCH 00/12] Fixes/improvements for the PCI M.2 power sequencing driver Date: Wed, 22 Apr 2026 16:54:41 +0530 Message-Id: <20260422-pwrseq-m2-bt-v1-0-720d02545a64@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAPqv6GkC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE vPSU3UzU4B8JSMDIzMDEyMj3YLyouLUQt1cI92kEt3EpJTERHNDA0uT1CQloJaCotS0zAqwcdG xEH5xaVJWanIJyAyl2loAycvp3XAAAAA= X-Change-ID: 20260422-pwrseq-m2-bt-abdaa71094eb To: Bartosz Golaszewski , Manivannan Sadhasivam , Marcel Holtmann , Luiz Augusto von Dentz , Shuai Zhang Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-bluetooth@vger.kernel.org, Wei Deng , Luiz Augusto von Dentz , Manivannan Sadhasivam , Bartosz Golaszewski , stable+noautosel@kernel.org X-Mailer: b4 0.15.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2584; i=manivannan.sadhasivam@oss.qualcomm.com; h=from:subject:message-id; bh=lqk3QdLBMm60ixEGqFx4KyHoJO7Nz6868LggAMS8LtY=; b=owEBbQGS/pANAwAKAVWfEeb+kc71AcsmYgBp6K/+74ctGya8p8gkXaPiUCDCvw26R/1sf31k+ 3IL7DZbwWyJATMEAAEKAB0WIQRnpUMqgUjL2KRYJ5dVnxHm/pHO9QUCaeiv/gAKCRBVnxHm/pHO 9SONB/97M+ux5IjYybMtelgpS4I3KTrOMDXpTMpWH1ziA49OGXH8mUfyDlcDGatxmuRfF6dhz9m tr0qaHJZLNOJsSgjWrh4E5qFDkKvO0Ss0DDwQpQJ8LA883KMrjYaL3g1jU1Ifq5fbqp7CeC7wIG /cjfeBjOumzw/0bQ9QVRm3h/qBH6SVaymWRMuTCaSjROVI76j1e7hfuiqK1agIIe94TbEndP/6b cYtLXHRTkUcC6rNuR8Q8MvlosdrmXeEI+PH/Pc8/IWfMlIyFjWCTrb5PLnSXeqRIPRoIet2KwzR 0dzB41l4ZPR2ByB8P4xYX01vga7PK58akyC/9i3rgBraM+hT X-Developer-Key: i=manivannan.sadhasivam@oss.qualcomm.com; a=openpgp; fpr=C668AEC3C3188E4C611465E7488550E901166008 X-Endpoint-Received: by B4 Relay for manivannan.sadhasivam@oss.qualcomm.com/default with auth_id=461 X-Original-From: Manivannan Sadhasivam Reply-To: manivannan.sadhasivam@oss.qualcomm.com Hi, This series has several key improvements and fixes to the M.2 power sequencing driver and also the BT HCI_QCA driver. Notably, this series allows the M.2 power sequencing driver to work with more M.2 cards, not just WCN7850. It also allows the BT HCI_QCA driver to detect whether it can control BT_EN (or W_DISABLE2#) signal on the connector and set the HCI_QUIRK_NON_PERSISTENT_SETUP quirk. Testing ======= This series was tested on Lenovo Thinkpad T14s together with the below DTS patches: https://github.com/Mani-Sadhasivam/linux/commit/29534d15307551b2355eb254601dec511169f0aa https://github.com/Mani-Sadhasivam/linux/commit/f4eaacfe647674be200847092b43cdef2194fc55 Merge Strategy ============== Since the BT HCI_QCA changes depend on the pwrseq changes, it would be good to merge the whole series through pwrseq tree or through an immutable branch. Signed-off-by: Manivannan Sadhasivam --- Manivannan Sadhasivam (12): power: sequencing: Introduce an API to check whether the pwrseq is fixed or controllable power: sequencing: pcie-m2: Add support for 'is_fixed()' callback to 'uart' target power: sequencing: qcom-wcn: Add support for 'is_fixed()' callback to 'bluetooth' target power: sequencing: pcie-m2: Fix inconsistent function prefixes power: sequencing: pcie-m2: Allow creating serdev for multiple PCI devices power: sequencing: pcie-m2: Improve PCI device ID check power: sequencing: pcie-m2: Create serdev for PCI devices present before probe power: sequencing: pcie-m2: Create BT node based on the pci_device_id[] table Bluetooth: hci_qca: Add M.2 Bluetooth device support using pwrseq Bluetooth: hci_qca: Rename 'power_ctrl_enabled' to 'bt_en_available' Bluetooth: hci_qca: Check whether the M.2 UART interface is fixed or not Bluetooth: hci_qca: Fix the broken BT_EN GPIO detection for Qcom WCN devices drivers/bluetooth/hci_qca.c | 40 +++-- drivers/power/sequencing/core.c | 33 ++++ drivers/power/sequencing/pwrseq-pcie-m2.c | 242 ++++++++++++++++++++++------- drivers/power/sequencing/pwrseq-qcom-wcn.c | 9 ++ include/linux/pwrseq/consumer.h | 6 + include/linux/pwrseq/provider.h | 2 + 6 files changed, 262 insertions(+), 70 deletions(-) --- base-commit: 6596a02b207886e9e00bb0161c7fd59fea53c081 change-id: 20260422-pwrseq-m2-bt-abdaa71094eb Best regards, -- Manivannan Sadhasivam