From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 830B3606A329 for ; Fri, 6 Nov 2026 21:29:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=ZCNp5rVc; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=fQQVZ2lY DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Unsubscribe-Post:List-Owner; bh=CqdwfM5CSlFvy5/OhILqWGW0aw+xBkJteTQDyeaLuTo=; b=ZCNp5rVc65lus5zbqqZkLz1Q88 SZqzRPYgtY2QiB2AFlDRmnOBmOT0l2VXRMmzysuDv8NaWWJ3WP4IHBb7DAd+OxrOI4u3VXcccHJti 3fzRP2/uGfrBRepYYNQP8PV3vSAIvcP4OHqE4gvtc+//WNUC3gRc3Qjo6HcrBTmeq7J6OVSpNHahP zrkJ1Z6VEta3Ua9ib8/1OCNHuJuzw8bmCJbD2qQu34b3sEXQ3VgGxXAMRnjfwuwcaT6/gQwFjaizV eZ+qmlEHDyhRRRdotfkNyu5oILbIslf7uU4/+RDLiqon/NqI65w0xTOrO4mTV7a+PvNvl8tcmhoHk C2sNE6Jg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xPRVI-0000000Dhuu-2ltf; Fri, 06 Nov 2026 21:29:44 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xPRVH-0000000Dhtf-2Mjt for linux-arm-kernel@lists.infradead.org; Fri, 06 Nov 2026 21:29:43 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id E5EEF601F8; Fri, 6 Nov 2026 21:29:42 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 63D0D1F0089F; Fri, 6 Nov 2026 21:29:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794000582; bh=CqdwfM5CSlFvy5/OhILqWGW0aw+xBkJteTQDyeaLuTo=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=fQQVZ2lYiYZlDEu10qX9/c4r1gv2Fx38R3aKVCKS3cq2j8lzuGUVGcpdjaZLpqUjh FUUhtYmCqq3PotRU+CnYhHnKpgHw1i/YAIZTBjId7ge4sEczylffu9L7Awjz2aA51V BboQUsiAICQQm/sLcKwIvstXgJKL1yTf610E/sAOjW+Lb1wa44Bq7Keav+lZSh7toF EfDDMQYbKYpCwgIvRIt+I3egt9sLyNoUz8oYc6FrYF9C1CRyP9w3xGSUnSDXED4v+j tX4tPilIQvgoU9A3tDYwZGLpDvQu69saj8gsRUYbopCwx9co9zq/hCxs1rji1ejRUl e7QekGDYLdtqw== Date: Fri, 6 Nov 2026 15:29:39 -0600 From: Rob Herring To: Reza Kurniawan Cc: Mark Rutland , Lorenzo Pieralisi , Krzysztof Kozlowski , Conor Dooley , Ulf Hansson , "Rafael J. Wysocki" , Daniel Lezcano , Christian Loehle , Bjorn Andersson , Konrad Dybcio , Abel Vesa , Val Packett , 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 Subject: Re: [PATCH v3 1/4] dt-bindings: arm: psci: Add skip-suspend-mode-switch property Message-ID: <20261106212939.GA1814035-robh@kernel.org> References: <20261022-psci-fix-v3-0-9ce2133c5659@gmail.com> <20261022-psci-fix-v3-1-9ce2133c5659@gmail.com> X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261022-psci-fix-v3-1-9ce2133c5659@gmail.com> X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" X-Spam-Status: No, score=-5.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On Thu, Oct 22, 2026 at 09:41:10AM +0000, Reza Kurniawan wrote: > From: Alejandro Tafalla > > On some SoCs (e.g. Qualcomm MSM8917 and MSM8937), PSCI_FEATURES reports > that OS-initiated mode is supported, but every PSCI_SET_SUSPEND_MODE > call is rejected with NOT_SUPPORTED. Is that call fatal? Why can't you just try the call and if it fails, avoid it. Then you don't require a DTB change to fix the issue. Rob