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[68.147.8.254]) by smtp.gmail.com with ESMTPSA id j11sm2950518pfn.38.2020.07.29.10.20.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 29 Jul 2020 10:21:00 -0700 (PDT) Date: Wed, 29 Jul 2020 11:20:58 -0600 From: Mathieu Poirier To: Suzuki K Poulose Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, mike.leach@linaro.org, coresight@lists.linaro.org, Rob Herring , devicetree@vger.kernel.org Subject: Re: [RFC PATCH 14/14] dts: bindings: coresight: ETMv4.4 system register access only units Message-ID: <20200729172058.GA3060370@xps15> References: <20200722172040.1299289-1-suzuki.poulose@arm.com> <20200722172040.1299289-15-suzuki.poulose@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200722172040.1299289-15-suzuki.poulose@arm.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jul 22, 2020 at 06:20:40PM +0100, Suzuki K Poulose wrote: > Document the bindings for ETMv4.4 and later with only system register > access. > > Cc: Rob Herring > Cc: devicetree@vger.kernel.org > Cc: Mathieu Poirier > Cc: Mike Leach > Signed-off-by: Suzuki K Poulose > --- > Documentation/devicetree/bindings/arm/coresight.txt | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) > > diff --git a/Documentation/devicetree/bindings/arm/coresight.txt b/Documentation/devicetree/bindings/arm/coresight.txt > index d711676b4a51..cfe47bdda728 100644 > --- a/Documentation/devicetree/bindings/arm/coresight.txt > +++ b/Documentation/devicetree/bindings/arm/coresight.txt > @@ -34,9 +34,13 @@ its hardware characteristcs. > Program Flow Trace Macrocell: > "arm,coresight-etm3x", "arm,primecell"; > > - - Embedded Trace Macrocell (version 4.x): > + - Embedded Trace Macrocell (version 4.x), with memory mapped access. > "arm,coresight-etm4x", "arm,primecell"; > > + - Embedded Trace Macrocell (version 4.4 and later) with system > + register access only. > + "arm,coresight-etm-v4.4"; I would rather call this "arm,coresight-etm-v4.4+" so that the binding's semantic is still relevant when dealing with ETM v4.5 and onward. Thanks, Mathieu > + > - Coresight programmable Replicator : > "arm,coresight-dynamic-replicator", "arm,primecell"; > > -- > 2.24.1 > 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=-10.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 637F2C433DF for ; Wed, 29 Jul 2020 17:23:28 +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 2F1F1207F5 for ; Wed, 29 Jul 2020 17:23:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="HvHBvL02"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="LykoZLGI" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2F1F1207F5 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org 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=f+xQut1GXoue1mYFORD1x7cWQ52Wvu3fP/isk2QaV9U=; b=HvHBvL02m93oXSS+tUWK8fCX3 89qj76GEcyG6PuEA5fX20NOawxVNy9AE99tO2Me+o/YO4hHH00lOZoGiLtEYkWqYhE6Dd+96JXB/g tk/uWu1APvkibEKfZRcMFiONzGLU3McZrDcKtl5jEE51ATbEJXVUpd0U/7vXhKpv9BO5UXaucBZL7 onGTfyDrVTo01bYk9EvwOK3Q5vdQINMTsPmqyF2urPCWQBcnsujqZCCala727b5UUZsVudrPbGukP z8DLGlrNcK8jO5u5jDPeAePjpXH/YMi41Jh7Efffr9goVzSKMIp9QxGCSi5XhYdgTh6bC+j2Zuvnv Sujv53PhA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1k0plI-0007SP-OQ; Wed, 29 Jul 2020 17:21:04 +0000 Received: from mail-pf1-x444.google.com ([2607:f8b0:4864:20::444]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1k0plG-0007Rn-RK for linux-arm-kernel@lists.infradead.org; Wed, 29 Jul 2020 17:21:03 +0000 Received: by mail-pf1-x444.google.com with SMTP id w126so13095047pfw.8 for ; Wed, 29 Jul 2020 10:21:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=RkhmVmn+F8zZR3MXN6wM+ixzJP6uusXl8abDcaadbwU=; b=LykoZLGIweffexQ73NX4n24tMeVD1jxrVEhBFJdBzix3ieNIhRJ1UyAW2pW9Xdc6Dd +T4eZ8jXk9fGCOP3GjK/h9dTk9cRzBH9ZARUErXgO7WCIRjN5z9dJu3Smaps7hgACjS4 17VDpJ+EICAYp1oBGgmLp3aHiR6vfBiz686B/12/P5/yoOLRxFRhwyVPzowlRukVAVuN 8k0+DWeyk5EvjcRrjsQE6/hA3qY8SGfBBfOd53gR4i2ZqHrp0/g1s6JwMpxyh77i6rqE j/vlvZj51WYAmbYXW9+Cu1ovFP6kdt+lU6uMfD8fdFRm1kAeE4xZwo4G3iNGEIlxH2B9 7s1A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=RkhmVmn+F8zZR3MXN6wM+ixzJP6uusXl8abDcaadbwU=; b=gVk3Wm7IsdsKEkK2RcqEpHF3OXbrIsFr5I2rM7TlKhcfTbOwshZQHEE/my9Rvdy1iv cv8VZfBtygGwzObl1qioHuHiOUM9JjwIgGke6iw9IEIkc83fdm9ALe4bSXlCoRCDHS8c Z8Xyxj10Emm7LFmyT3zaUCNjHnp+mPNE3OjK62cX+fq1/lwqFCUh+j21fn9M8jKYo9/L 0hirEWfW91zypNeEdeQZz/TT/5dKEYmM2zI506440W2BVMX19Pa5H1X7rJe3/4ldClsz qk8IhGhkzEaJaQw2N10o4AVWQGJHF3q9Yq/nI3EcEKVqYo5GJPxXjSgEB8RECfyL1dwp i28Q== X-Gm-Message-State: AOAM530yj1wWhWaOiumC3H7lXSH5IyXp1oHndGZoTetUz1QvIqns8AVj LVmBVqnz6IiaoY2lo6TsnM8Y40Y0lSU= X-Google-Smtp-Source: ABdhPJzYsG6bJfs+OjDq/bcVUSUtHseUIVoDgm8UZLKpJ5a7m2X7FhMkTfYyTY/cwe3oMahk3ykPTw== X-Received: by 2002:a63:3c09:: with SMTP id j9mr30423593pga.206.1596043260739; Wed, 29 Jul 2020 10:21:00 -0700 (PDT) Received: from xps15 (S0106002369de4dac.cg.shawcable.net. [68.147.8.254]) by smtp.gmail.com with ESMTPSA id j11sm2950518pfn.38.2020.07.29.10.20.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 29 Jul 2020 10:21:00 -0700 (PDT) Date: Wed, 29 Jul 2020 11:20:58 -0600 From: Mathieu Poirier To: Suzuki K Poulose Subject: Re: [RFC PATCH 14/14] dts: bindings: coresight: ETMv4.4 system register access only units Message-ID: <20200729172058.GA3060370@xps15> References: <20200722172040.1299289-1-suzuki.poulose@arm.com> <20200722172040.1299289-15-suzuki.poulose@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200722172040.1299289-15-suzuki.poulose@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200729_132102_891439_4FCDC4FF X-CRM114-Status: GOOD ( 15.97 ) 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, coresight@lists.linaro.org, linux-kernel@vger.kernel.org, Rob Herring , linux-arm-kernel@lists.infradead.org, mike.leach@linaro.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, Jul 22, 2020 at 06:20:40PM +0100, Suzuki K Poulose wrote: > Document the bindings for ETMv4.4 and later with only system register > access. > > Cc: Rob Herring > Cc: devicetree@vger.kernel.org > Cc: Mathieu Poirier > Cc: Mike Leach > Signed-off-by: Suzuki K Poulose > --- > Documentation/devicetree/bindings/arm/coresight.txt | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) > > diff --git a/Documentation/devicetree/bindings/arm/coresight.txt b/Documentation/devicetree/bindings/arm/coresight.txt > index d711676b4a51..cfe47bdda728 100644 > --- a/Documentation/devicetree/bindings/arm/coresight.txt > +++ b/Documentation/devicetree/bindings/arm/coresight.txt > @@ -34,9 +34,13 @@ its hardware characteristcs. > Program Flow Trace Macrocell: > "arm,coresight-etm3x", "arm,primecell"; > > - - Embedded Trace Macrocell (version 4.x): > + - Embedded Trace Macrocell (version 4.x), with memory mapped access. > "arm,coresight-etm4x", "arm,primecell"; > > + - Embedded Trace Macrocell (version 4.4 and later) with system > + register access only. > + "arm,coresight-etm-v4.4"; I would rather call this "arm,coresight-etm-v4.4+" so that the binding's semantic is still relevant when dealing with ETM v4.5 and onward. Thanks, Mathieu > + > - Coresight programmable Replicator : > "arm,coresight-dynamic-replicator", "arm,primecell"; > > -- > 2.24.1 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel