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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DA012C63797 for ; Mon, 16 Jan 2023 14:44:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229972AbjAPOo3 (ORCPT ); Mon, 16 Jan 2023 09:44:29 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39008 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232921AbjAPOoC (ORCPT ); Mon, 16 Jan 2023 09:44:02 -0500 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id A9BE5241C1; Mon, 16 Jan 2023 06:22:57 -0800 (PST) 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 90DFBC14; Mon, 16 Jan 2023 06:23:39 -0800 (PST) Received: from [10.57.89.182] (unknown [10.57.89.182]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id C89393F67D; Mon, 16 Jan 2023 06:22:55 -0800 (PST) Message-ID: Date: Mon, 16 Jan 2023 14:22:54 +0000 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.6.1 Subject: Re: [PATCH v7 15/15] coresight: etm3x: docs: Alter sysfs documentation for trace id updates To: Mike Leach , coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: mathieu.poirier@linaro.org, peterz@infradead.org, mingo@redhat.com, acme@kernel.org, linux-perf-users@vger.kernel.org, leo.yan@linaro.org, quic_jinlmao@quicinc.com References: <20230116124928.5440-1-mike.leach@linaro.org> <20230116124928.5440-16-mike.leach@linaro.org> From: Suzuki K Poulose In-Reply-To: <20230116124928.5440-16-mike.leach@linaro.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 16/01/2023 12:49, Mike Leach wrote: > Sysfs access to etm3x trace ID value is now read-only due to recent > trace updates and for consistency with etm4x. > > Signed-off-by: Mike Leach > --- > Documentation/ABI/testing/sysfs-bus-coresight-devices-etm3x | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm3x b/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm3x > index 651602a61eac..234c33fbdb55 100644 > --- a/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm3x > +++ b/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm3x > @@ -236,7 +236,7 @@ What: /sys/bus/coresight/devices/.[etm|ptm]/traceid > Date: November 2014 > KernelVersion: 3.19 > Contact: Mathieu Poirier > -Description: (RW) Holds the trace ID that will appear in the trace stream > +Description: (RO) Holds the trace ID that will appear in the trace stream > coming from this trace entity. > > What: /sys/bus/coresight/devices/.[etm|ptm]/trigger_event I have squashed this to PATCH 6, where the above sysfs file permission is actually changed. Thanks Suzuki