From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f44.google.com (mail-pj1-f44.google.com [209.85.216.44]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AB52B3BE16E for ; Sat, 17 Oct 2026 16:42:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.44 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792255372; cv=none; b=bXjl4m1Bf/Ocsbi6mvyNIqbXdBPsm4klDtT1M7m0HMYjilJe2apwz1GwT7Z9iZIV3Uo9kTa93Ly9Zd4qOSzTVmjOnM5seZqSfVaU67fQK+3pv0H1ON9K7f7YwficLRL2TXUCc0JR3Hw4r/lIJLa4wn1aXbRSDh19rYssUovrqsk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792255372; c=relaxed/simple; bh=rTrbWI5rSQm+EpHypyvlpEvi/M8L4lp40c78faRU1Nk=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=sM4JYYHToMGZXMl8w63Ys4YCme5P0cNxRFfLeg69TKKbLPKceW9gsJiF86fMJZqXRodbIhDxwf7VTLzI4eb9/sFozFjNDGQOlJrVuUBZVV0m93abU1Ilm+oigzv1p2PE+5PJLoZpxjZHwePwUD8hKj05iCh5Psv/hAHIDNRyQbI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=fdeQwKrN; arc=none smtp.client-ip=209.85.216.44 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="fdeQwKrN" Received: by mail-pj1-f44.google.com with SMTP id 98e67ed59e1d1-3ab2cb8d577so794464a91.1 for ; Sat, 17 Oct 2026 09:42:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1792255370; x=1792860170; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :content-type:mime-version:subject:date:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=F4xibtJE0TG41iQco+r4uLl7fC1ynCkxCGcMxo66dpc=; b=fdeQwKrNa425zVk/tXc3j2vnw41qOSJdCJO+s9FhhOVdI4xhIl7wTK83GJHkHpQUJv 3Lzdh1vudZxtkq+Exn+fhCOMSYV4IdPCijE/RIiYCaxYvB7VUt186uD1TEHDDNvoxvOj oAKjhmAbBMA78lHzT12gAmZGqFZTEXmqvSxnMBc+/wnAEELjXAIAy7fSf4wGtBsGdPPw /vazXjFtgPzSsMB0JxIEoYHkLhaOTtucIUd1a8387cVx08/bk0DpAY5o9KktypIIr/ZK rqxld+xBLzFE/FLujBTAxHoEU6tH6ruTU4QUNlWhAIao9tdec0d7HH+MKAsQd8mqxbX3 Gdjg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1792255370; x=1792860170; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :content-type:mime-version:subject:date:from:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=F4xibtJE0TG41iQco+r4uLl7fC1ynCkxCGcMxo66dpc=; b=WGfCYTB+mRjIAV0SiwiwpBJ/iaJn9OOn3F1C+OSxW2tpEov7Wpb3y0UEJpL39+BWnB YQ/fowWUQ06AcF/M7Ck1y18xxDIwv8YdsqrSbhxADsqzXZCReHhz3yjkHxq8pvBDJf7J wKJ44NC1qwZ2XVs1axOT2QPHPTe4J6yVgErtF5dFConyW7GWpllqRWzx4kysrf2QyIC5 +VUNS6xUceEZlZq+bggR/JisMTs6KFhB1H4jmUBX8s70HrkcfvVcfO1+SYIT9JhmUQOS Z1a5kNY7fxz9H7jE4f8FzpzlkQdvSknM1P/rc3i0cImVxpoP+Bd1FQ8eDJzgOkrvYHen LH5g== X-Forwarded-Encrypted: i=1; AKwUvBxe3tHNChNrz5K/cuCjH4l2Xnzqu0ZNw+1VT8EMzQZ+uVoUGLZNY5Ng4Z95aWPY3hOb8v8ADnYxiQ==@vger.kernel.org X-Gm-Message-State: AFq9FYKVS7VdGtOcqCAXC3W/ElDZwWtHObb/yiqNrd+fquYEGnsVPAjA jLpNFGH7x8/fCO4oMOXWnv0GZai+1BpgLngb7MSxtxgPkNDAFugN7jFb X-Gm-Gg: AYBFou1I2kk41u+x9NQkGLeS/MY0I0n5qLZXPbsV7uxOFUAbatcHbEyJfkb4z/1ewV4 6V30jgxw1mQqFy2xg7aIB+qhWREozgldsriAAtf/4H2tPoa86V6tkOBJpuCWbgNrgIsdQnR/tBB hOuZi2GhdK3XsSHyQqu68Ly3SP2dlF66nxTGiOUakJPR3qVOC1ft9WF3uTSWZBkLQ944YRLhr3n 4slMhsP6YXw/BcWncrBCp/b///eQyh1d/mw6nMwStEdRJ/0RtseY5DoiG9GJUQe2azY0d25Fcqb UiqCvdmsTLYI2px/2N732pb0cg8ywyx1fdeolzRpQK1MzZiAum2yi/bnSzg+1Rkc9Uzww6Uv7If GY/dgo2j52ybLHNqu7yN7+/WNCf+sRseXY2W+XyJux61XDQHtMl+eVLBW+WmMibl11oYzcJ2kBV 9KbKjWXmiZfGwP9g2mEKHeRFdwpNz1+if3FrVIP/+X34u0EHv909u1pI/cIaydHA== X-Received: by 2002:a17:90b:582d:b0:3a8:5d1f:59ad with SMTP id 98e67ed59e1d1-3acef14c8femr2733506a91.43.1792255369994; Sat, 17 Oct 2026 09:42:49 -0700 (PDT) Received: from [127.0.0.2] ([2404:c0:7618:4e1c:2cb7:b2e6:ffb7:d23]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3ac94798212sm13816164a91.14.2026.10.17.09.42.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 17 Oct 2026 09:42:49 -0700 (PDT) From: Reza Kurniawan Date: Sat, 17 Oct 2026 23:41:24 +0700 Subject: [PATCH 2/4] cpuidle: psci: Allow skipping the suspend mode switch 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 Message-Id: <20261017-psci-fix-v1-2-dedae27e4a31@gmail.com> References: <20261017-psci-fix-v1-0-dedae27e4a31@gmail.com> In-Reply-To: <20261017-psci-fix-v1-0-dedae27e4a31@gmail.com> To: Mark Rutland , Lorenzo Pieralisi , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Ulf Hansson , "Rafael J. Wysocki" , Daniel Lezcano , Christian Loehle , Bjorn Andersson , Konrad Dybcio , Abel Vesa Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-arm-msm@vger.kernel.org, Alejandro Tafalla , Reza Kurniawan X-Mailer: b4 0.15.2 From: Alejandro Tafalla On some SoCs (e.g. Qualcomm MSM8917 and MSM8937), PSCI reports that OSI mode is supported but rejects any PSCI_SET_SUSPEND_MODE call with NOT_SUPPORTED. psci_set_osi_mode() then fails with -EOPNOTSUPP and the probe is aborted: psci-cpuidle-domain psci: probe with driver psci-cpuidle-domain failed with error -95 Add support for the "skip-suspend-mode-switch" property. When present, do not call psci_set_osi_mode() and continue with the topology that was already built. Signed-off-by: Alejandro Tafalla [Reza Kurniawan: split out the patch, added log message for skip case, renamed the property] Co-developed-by: Reza Kurniawan Signed-off-by: Reza Kurniawan --- drivers/cpuidle/cpuidle-psci-domain.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/drivers/cpuidle/cpuidle-psci-domain.c b/drivers/cpuidle/cpuidle-psci-domain.c index 5722365b94..cc9f14769b 100644 --- a/drivers/cpuidle/cpuidle-psci-domain.c +++ b/drivers/cpuidle/cpuidle-psci-domain.c @@ -159,13 +159,17 @@ static int psci_cpuidle_domain_probe(struct platform_device *pdev) if (ret) goto remove_pd; - /* let's try to enable OSI. */ - ret = psci_set_osi_mode(use_osi); - if (ret) - goto remove_pd; + if (of_property_read_bool(np, "skip-suspend-mode-switch")) { + pr_info("Initialized CPU PM domain topology, keeping firmware-set mode\n"); + } else { + ret = psci_set_osi_mode(use_osi); + if (ret) + goto remove_pd; + + pr_info("Initialized CPU PM domain topology using %s mode\n", + use_osi ? "OSI" : "PC"); + } - pr_info("Initialized CPU PM domain topology using %s mode\n", - use_osi ? "OSI" : "PC"); return 0; remove_pd: -- 2.55.0