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=-8.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham 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 ED8BBC388F9 for ; Thu, 22 Oct 2020 18:24:10 +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 70F58223C7 for ; Thu, 22 Oct 2020 18:24:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="AQQuL1qT" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 70F58223C7 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=4EJ4laxKUjeFEkptbaH2OaC78lqDx33lV5+T2JP8qus=; b=AQQuL1qTKAVz7VX9ZQqqv2pnw nj4dWO8+L+lZ0RVbgPU/r4QLcMFt4K8hiox+0UF2x28Owq/KodaUQlIxrv2RmaY3rIZV0tQc2kPJv 1oKWheII/0snvOkcWcpjsSWiVZSWPWqp/TQM6nYaOA7ZkjqQJn6zP11kZyHDiU4O/FcgHZe83HcXP R7sIfPINiR59sSNBN+xfBF9mU63nW1RQXqiyAJfMUDn6H0UujoSOGty/z/nBb3EJfneP/hkdl7SIW iKMoFCTVt8tfEqWT4jMB2t14mh2WkBiCpNo8M6giDAwd6OOC13M4fB56L3d8yOv1Rl4L8tGDcJ7Zz 6KvM6mhZA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kVfEc-0005d8-Ra; Thu, 22 Oct 2020 18:22:46 +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 1kVfEa-0005c6-92 for linux-arm-kernel@lists.infradead.org; Thu, 22 Oct 2020 18:22:45 +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 76477D6E; Thu, 22 Oct 2020 11:22:41 -0700 (PDT) Received: from bogus (unknown [10.57.22.167]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 5246A3F719; Thu, 22 Oct 2020 11:22:40 -0700 (PDT) Date: Thu, 22 Oct 2020 19:22:33 +0100 From: Sudeep Holla To: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Rob Herring Subject: Re: [PATCH v2 1/2] dt-bindings: arm, scmi: Do not use clocks for SCMI performance domains Message-ID: <20201022182233.hklq6j5n5kkqg4yv@bogus> References: <20201021183104.27949-1-sudeep.holla@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20201021183104.27949-1-sudeep.holla@arm.com> User-Agent: NeoMutt/20171215 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201022_142244_367578_10DA9BD6 X-CRM114-Status: GOOD ( 19.06 ) 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: Viresh Kumar , linux-arm-kernel@lists.infradead.org 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 07:31:03PM +0100, Sudeep Holla wrote: > Commit dd461cd9183f ("opp: Allow dev_pm_opp_get_opp_table() to return > -EPROBE_DEFER") handles -EPROBE_DEFER for the clock/interconnects within > _allocate_opp_table() which is called from dev_pm_opp_add and it > now propagates the error back to the caller. > > SCMI performance domain re-used clock bindings to keep it simple. However > with the above mentioned change, if clock property is present in a device > node, opps can't be added until clk_get succeeds. So in order to fix the > issue, we can register dummy clocks which is completely ugly. > > Since there are no upstream users for the SCMI performance domain clock > bindings, let us introduce separate performance domain bindings for the > same. > > Signed-off-by: Sudeep Holla > --- > .../devicetree/bindings/arm/arm,scmi.txt | 19 ++++++++++++++++--- > 1 file changed, 16 insertions(+), 3 deletions(-) > > v1[1]->v2: > - Changed the generic #perf-domain-cells to more SCMI specific > property #arm,scmi-perf-domain-cells > Is more specific #arm,scmi-perf-domain-cells acceptable ? Sorry for the rush, but this fixes SCMI cpufreq which is broken after commit dd461cd9183f ("opp: Allow dev_pm_opp_get_opp_table() to return -EPROBE_DEFER") -- Regards, Sudeep _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel