{"id":2226323,"url":"http://patchwork.ozlabs.org/api/patches/2226323/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-pci/patch/20260422-pwrseq-m2-bt-v1-11-720d02545a64@oss.qualcomm.com/","project":{"id":28,"url":"http://patchwork.ozlabs.org/api/projects/28/?format=json","name":"Linux PCI development","link_name":"linux-pci","list_id":"linux-pci.vger.kernel.org","list_email":"linux-pci@vger.kernel.org","web_url":null,"scm_url":null,"webscm_url":null,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260422-pwrseq-m2-bt-v1-11-720d02545a64@oss.qualcomm.com>","list_archive_url":null,"date":"2026-04-22T11:24:52","name":"[11/12] Bluetooth: hci_qca: Check whether the M.2 UART interface is fixed or not","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"09906aa5946892d2049ddc64236d3f1f413d9745","submitter":{"id":91277,"url":"http://patchwork.ozlabs.org/api/people/91277/?format=json","name":"Manivannan Sadhasivam via B4 Relay","email":"devnull+manivannan.sadhasivam.oss.qualcomm.com@kernel.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-pci/patch/20260422-pwrseq-m2-bt-v1-11-720d02545a64@oss.qualcomm.com/mbox/","series":[{"id":500992,"url":"http://patchwork.ozlabs.org/api/series/500992/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-pci/list/?series=500992","date":"2026-04-22T11:24:41","name":"Fixes/improvements for the PCI M.2 power sequencing driver","version":1,"mbox":"http://patchwork.ozlabs.org/series/500992/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2226323/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2226323/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-pci@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=b1Cz3LBh;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c04:e001:36c::12fc:5321; helo=tor.lore.kernel.org;\n envelope-from=linux-pci+bounces-52966-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)","smtp.subspace.kernel.org;\n\tdkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org\n header.b=\"b1Cz3LBh\"","smtp.subspace.kernel.org;\n arc=none smtp.client-ip=10.30.226.201"],"Received":["from tor.lore.kernel.org (tor.lore.kernel.org\n [IPv6:2600:3c04:e001:36c::12fc:5321])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g0xmH73qFz1yCv\n\tfor ; Wed, 22 Apr 2026 21:27:59 +1000 (AEST)","from smtp.subspace.kernel.org (conduit.subspace.kernel.org\n [100.90.174.1])\n\tby tor.lore.kernel.org (Postfix) with ESMTP id 14B8B3069715\n\tfor ; Wed, 22 Apr 2026 11:25:39 +0000 (UTC)","from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id F02D83D3D1A;\n\tWed, 22 Apr 2026 11:25:13 +0000 (UTC)","from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org\n [10.30.226.201])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby smtp.subspace.kernel.org (Postfix) with ESMTPS id 28F883D093E;\n\tWed, 22 Apr 2026 11:25:13 +0000 (UTC)","by smtp.kernel.org (Postfix) with ESMTPS id 0E3D1C2BCB8;\n\tWed, 22 Apr 2026 11:25:13 +0000 (UTC)","from aws-us-west-2-korg-lkml-1.web.codeaurora.org\n (localhost.localdomain [127.0.0.1])\n\tby smtp.lore.kernel.org (Postfix) with ESMTP id 06985F8FA9E;\n\tWed, 22 Apr 2026 11:25:13 +0000 (UTC)"],"ARC-Seal":"i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1776857113; cv=none;\n b=h1Pj7VvVHB55fsWM0SKnL8rfwsxZ3p2ODbEm2UCee91amQd1wmImVx22eQk2gCad9K8vEbaNJfrCX1xFiC/uUUGISYHaVOkfmFjcKgN9Tx2DynBdS3YV4ZK2479igy2TR/D8kVlwbI3hLiKoM3qrbznmqgQ86v8MAl4BUirVjyE=","ARC-Message-Signature":"i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1776857113; c=relaxed/simple;\n\tbh=Z2XhQFgSczXs6etj6Kn9gFI9cgZPNFDDhuehnrLVz74=;\n\th=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References:\n\t In-Reply-To:To:Cc;\n b=pf1Nb8I5ZYuzX1GRy4qTpTxsmG48mC7NjzRGlJGn4M49Waz1U4NNtGmqKflZV5KrnIiTY6PIj7sWQ7eGJa/YNwmEuqDZ/iH/1k4pJomZUJIZUZFuRoxAlurvXYAS9bemjnBnXVKDOE4/cB2WWsGbcbsPbnG1hbl4RYfsd/DT6f0=","ARC-Authentication-Results":"i=1; smtp.subspace.kernel.org;\n dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org\n header.b=b1Cz3LBh; arc=none smtp.client-ip=10.30.226.201","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org;\n\ts=k20201202; t=1776857113;\n\tbh=Z2XhQFgSczXs6etj6Kn9gFI9cgZPNFDDhuehnrLVz74=;\n\th=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From;\n\tb=b1Cz3LBhxbeq2LUjcli9VxWIWXdR3eYAI7Zbv5ir8grKEv5nkKP7YSSyszJ9fA6hq\n\t yqmQx1XSYR2hwjKYir0Gumb6uacJpAEW2yDyYPoyC/z7zahK10jsxaGsFsuldw46SM\n\t o+5hb9eTb12sbFj1ZxNaUjsSRIVPtC72a/Z9mJDfvMDI4qbIvR/Y7cDt0h4Az0pjQ/\n\t ZllZNu94n+q+CSR1G/AkAlgwWWq5cwvOTNGioC/nweV4a72qGBTyJ6v9ID2BoZqg9F\n\t BSNpVuIlvV2VDK/5+iPnRAvP6KEqP0tCVdY19CdHk6W7VFJvgL6NnDx1REVdQ+geXi\n\t YiIVrst69W8Rw==","From":"Manivannan Sadhasivam via B4 Relay\n ","Date":"Wed, 22 Apr 2026 16:54:52 +0530","Subject":"[PATCH 11/12] Bluetooth: hci_qca: Check whether the M.2 UART\n interface is fixed or not","Precedence":"bulk","X-Mailing-List":"linux-pci@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":"<20260422-pwrseq-m2-bt-v1-11-720d02545a64@oss.qualcomm.com>","References":"<20260422-pwrseq-m2-bt-v1-0-720d02545a64@oss.qualcomm.com>","In-Reply-To":"<20260422-pwrseq-m2-bt-v1-0-720d02545a64@oss.qualcomm.com>","To":"Bartosz Golaszewski ,\n Manivannan Sadhasivam ,\n Marcel Holtmann ,\n Luiz Augusto von Dentz ,\n Shuai Zhang ","Cc":"linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org,\n linux-pci@vger.kernel.org, linux-arm-msm@vger.kernel.org,\n linux-bluetooth@vger.kernel.org, Wei Deng ,\n Luiz Augusto von Dentz ,\n Manivannan Sadhasivam ","X-Mailer":"b4 0.15.0","X-Developer-Signature":"v=1; a=openpgp-sha256; l=1019;\n i=manivannan.sadhasivam@oss.qualcomm.com; h=from:subject:message-id;\n bh=QIQ7zI+FcCO4Ozijr68y6L0R3ZFIXMS+JR88yCNclek=;\n b=owEBbQGS/pANAwAKAVWfEeb+kc71AcsmYgBp6LAVR3W3V/KaHFdujOJwfJZ0I+8jLydfeBZ8c\n C328qYFsrOJATMEAAEKAB0WIQRnpUMqgUjL2KRYJ5dVnxHm/pHO9QUCaeiwFQAKCRBVnxHm/pHO\n 9YQwB/0SQX+/Rbzc9tYYkKZ8hAXIlBudrTL7cV4f3GeBe+ZtK6NTWCunNb7eXa9yuHvHCd9rl3k\n q3rztVESPA7EUkULnNf3vf69nKap5M8nXd5LoUFcL6F/3b4WhDkUoAPCC4dpT1fYfLR4kqp4k/F\n adD+fVrocmi0ny4WJxDSF31GfJjsi+Hkp23SqSfIOvgcU/d3sTZVro8VRjvt64KXqfbgWf5rZtg\n qhYP9GXbF/4T6a83od1As5/ZPGYlb1DJPYysyepKTx91EWhl78i48qE4wM2oLiMv3ohsqVyqKUy\n B73fONwa5nr+RdRHt8DVLfnQtWt6ukk5yzMGy8jpFxfpcwvG","X-Developer-Key":"i=manivannan.sadhasivam@oss.qualcomm.com; a=openpgp;\n fpr=C668AEC3C3188E4C611465E7488550E901166008","X-Endpoint-Received":"by B4 Relay for\n manivannan.sadhasivam@oss.qualcomm.com/default with auth_id=461","X-Original-From":"Manivannan Sadhasivam\n ","Reply-To":"manivannan.sadhasivam@oss.qualcomm.com"},"content":"From: Manivannan Sadhasivam \n\nIn the M.2 connector, the UART interface is controlled through the\nW_DISABLE2# signal. But the BT driver cannot know directly whether this\nsignal is available or not.\n\nHence, use the new pwrseq API 'pwrseq_is_fixed()' to check whether the UART\ninterface on the M.2 connector is fixed or controllable and set the\n'bt_en_available' flag accordingly.\n\nSigned-off-by: Manivannan Sadhasivam \n---\n drivers/bluetooth/hci_qca.c | 4 ++++\n 1 file changed, 4 insertions(+)","diff":"diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c\nindex 3e71a72ea7c7..27e52b08ec47 100644\n--- a/drivers/bluetooth/hci_qca.c\n+++ b/drivers/bluetooth/hci_qca.c\n@@ -2453,6 +2453,10 @@ static int qca_serdev_probe(struct serdev_device *serdev)\n \t\t\t\t\t\t\t\t \"uart\");\n \t\t\tif (IS_ERR(qcadev->bt_power->pwrseq))\n \t\t\t\treturn PTR_ERR(qcadev->bt_power->pwrseq);\n+\n+\t\t\tif (pwrseq_is_fixed(qcadev->bt_power->pwrseq))\n+\t\t\t\tbt_en_available = false;\n+\n \t\t\tbreak;\n \t\t}\n \n","prefixes":["11/12"]}