From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794000583; b=u9gJBwsIU5oYUqlWSgAEIQiBBsSa0SLvZAhSxSi31BfDlXbzEtmMgfiFg1bCdHvHI5q0 WJ9HYXLpaOiqeI/t7H2FWfc1E8ZScTCMiamujyn8Yd8QfHsIvMp0MYwaid4yM6YOLmfMG UmcRn6Vd1X8YF+x3ayE+OklsKAfMsPVjk2eAhA1/by6RVOq1wDhtfq7AFSNr3chdz+7T0 cgEJLwDzBudgkzuU+AjVZ72HOzl3YeF/gNvYgyePPYB+9NJxUqv8YbSEkiPEu6flEdnQw SDoB3KsXquAtXtxAC6+EKSrTVBG4zXyEPPKmPp78vKfoKeQ5qYW60LjSAv4Ja4BeKrA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794000583; h=Received:DKIM-Signature:Date:From:To:Cc:Subject:Message-ID: References:MIME-Version:Content-Type:Content-Disposition:In-Reply-To; bh=CqdwfM5CSlFvy5/OhILqWGW0aw+xBkJteTQDyeaLuTo=; b=xpl9aFpwwjq/xyIlCGUyJEOW1QtXQS6xLoWtFSr4+QCovmG9itRLclmAJZsX5r+Xo5pb A4a8rVxgH49jC6Wtl6aeTDTMq7f3s4aucjicveCS+S/pdAUmvjaFjjMRywqcd604Id86E yibmyZzaGqyral7OaA784kcrrldggTGWRXko9toItF3pOT6GWvehWiXSlcxHN/5v7kNGE jmoO8GVqtw0U1U2hFBpT54TsFo0FL6UnAVC2V6XaGFVQZBK+tvcCFdsQMtLTbnJsOBp4f Sy5AxbF4Z8fubjUgihhEf+6Y7Lr2qpXONwZzZlToQLkTihEPHyAKA0bj1MCaXnvKzeg== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=fQQVZ2lY; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EBA42606A326; Fri, 6 Nov 2026 21:29:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=fQQVZ2lY 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-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list 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> 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