From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1FE4DC4345F for ; Tue, 16 Apr 2024 09:30:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=cw7EC5ntRjhN7NYfb8qMMBcSofZub5NbvIK+aa7kZ7U=; b=dzxAbcrkEFT+SH JQC30zyejd1C6j7DgI+7Rwx5fe2v1vSW/4ib6jayQI9hZmKfdQdQh7k63GyjmG6OxL0Htp/SKUm4R OXuwm3/IBGvl20wpB/DM0gqK7UnnDTyxd10tMCm4sNZjj9zH4cvqQcUebpFhIgmbYh03ffh1e1khZ 8MDCOIKF+ud/wt3tC+kSAerheCDPrUQfxVgxdmV4hhMfj50ksbYeFLMkXpyNkFQhijb1XrT8HGQ8C BPtUnC5i9paUKm1xKUQ7LVmS3mMil375iaX4cZhJrQtiZ/zStMfy/J0VqxImeDeJB46joddB20cvY SdCBfyU5v4uGnYBwl7Fw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rwf92-0000000BbjV-0Z3V; Tue, 16 Apr 2024 09:30:28 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rwf90-0000000BbhU-0AbF for linux-arm-kernel@lists.infradead.org; Tue, 16 Apr 2024 09:30:27 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 2E744339; Tue, 16 Apr 2024 02:30:52 -0700 (PDT) Received: from bogus (e103737-lin.cambridge.arm.com [10.1.197.49]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 581E43F792; Tue, 16 Apr 2024 02:30:21 -0700 (PDT) Date: Tue, 16 Apr 2024 10:30:18 +0100 From: Sudeep Holla To: Elliot Berman Cc: Bjorn Andersson , Sudeep Holla , Konrad Dybcio , Sebastian Reichel , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Vinod Koul , Andy Yan , Lorenzo Pieralisi , "Mark Rutland" , Bartosz Golaszewski , Satya Durga Srinivasu Prabhala , Melody Olvera , Shivendra Pratap , , , , Florian Fainelli , , Subject: Re: [PATCH v2 2/4] dt-bindings: arm: Document reboot mode magic Message-ID: References: <20240414-arm-psci-system_reset2-vendor-reboots-v2-0-da9a055a648f@quicinc.com> <20240414-arm-psci-system_reset2-vendor-reboots-v2-2-da9a055a648f@quicinc.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20240414-arm-psci-system_reset2-vendor-reboots-v2-2-da9a055a648f@quicinc.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240416_023026_157538_391D9FFC X-CRM114-Status: UNSURE ( 8.87 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sun, Apr 14, 2024 at 12:30:25PM -0700, Elliot Berman wrote: > Add bindings to describe vendor-specific reboot modes. Values here > correspond to valid parameters to vendor-specific reset types in PSCI > SYSTEM_RESET2 call. > IIUC, PSCI SYSTEM_RESET will be always supported, so the choice of using SYSTEM_RESET2 sounds like a system policy and must not have any information in the device tree. All required support from PSCI is discoverable and the policy choice must be userspace driven. That's my opinion. -- Regards, Sudeep _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel