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 X-Spam-Level: X-Spam-Status: No, score=-5.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B2D5AC56201 for ; Wed, 21 Oct 2020 18:21:30 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3A9E822464 for ; Wed, 21 Oct 2020 18:21:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="CTtcN58w" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3A9E822464 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject: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=a4PIu3xL8yJ24docmXTClJTCL8ZtA6i+x0O6ZbQqfro=; b=CTtcN58wWd6rcIKKE2YLrnLEr DqucIAomIo/vcgwDVs0mXziUPVVAYIC0qz5Tw7qVYcYuLOB6TPWQUKEwlY2llL1q/mGkbkQK4FFh0 dBJ8ba9HQZ59KC2zdixOXWrKXtzGt4H79oCJHJfj8NRxQv1rO+NfC7H8AenlTb2itaLIqlsHhFJ7m OS5Nr5SD+l6Kmr0qM0N3iD82nxdTBQI4S3jXXr9Xw5kUUIGq5I2QienL8/QMM830fPMxpi0XCya4m olCERaROnlkEJrWTljX8wur65+LA3fRmbcL/5mSNjmOfzuDvNK8m9vxmfvHzDAb4RmGufj4nkhyUv pJTR6HHyg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kVIiS-00019H-7I; Wed, 21 Oct 2020 18:20:04 +0000 Received: from foss.arm.com ([217.140.110.172]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kVIiO-00017z-W1 for linux-arm-kernel@lists.infradead.org; Wed, 21 Oct 2020 18:20:02 +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 3BBDCD6E; Wed, 21 Oct 2020 11:19:55 -0700 (PDT) Received: from bogus (unknown [10.57.22.167]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id D25C63F66B; Wed, 21 Oct 2020 11:19:53 -0700 (PDT) Date: Wed, 21 Oct 2020 19:19:51 +0100 From: Sudeep Holla To: Rob Herring Subject: Re: [PATCH 1/2] dt-bindings: arm,scmi: Do not use clocks for SCMI performance domains Message-ID: <20201021181951.xu2igea2qbca3alf@bogus> References: <20201020203710.10100-1-sudeep.holla@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20171215 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201021_142001_275432_D176C1B8 X-CRM114-Status: GOOD ( 14.02 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Viresh Kumar , "linux-kernel@vger.kernel.org" , linux-arm-kernel , Sudeep Holla 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 Wed, Oct 21, 2020 at 11:20:27AM -0500, Rob Herring wrote: > On Tue, Oct 20, 2020 at 3:37 PM Sudeep Holla wrote: > > [...] > > When is this not 1 (IOW, you only need this if variable)? How would it > be used outside SCMI (given it has a generic name)? > > > + > > +* Property arm,scmi-perf-domain > [...] > Really though, why can't you give SCMI a CPUs MPIDR and get its domain? > Now I remembered why we can't use MPIDR. The spec talks about perf domains for devices in generic. CPU is just a special device. We will still need a mechanism to get device performance domain. So MPIDR idea was dropped to keep it uniform across all the devices. -- Regards, Sudeep _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel