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 7D861E77184 for ; Thu, 19 Dec 2024 11:37:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=6zluNf0Vkpir1VXXVTHDYM/ftTnlZ2tokqsFjFY5ggk=; b=VmBOT0W+cXK88rBvPna74Lc1Pv cmpFJ6TJB0nS41S2/zSAoJZ7VGxiZ2SDkVE54vjO/ukmusH9uX2x5qlWzsScUTUt/mtdltyUbbkMs Zr2dDE0JbegTR9MJMokS0b10B+VggfMAU3eKMKREhT1zN8zEODlEjUS7J1MHcahXxWqTahLZYZCVQ 9Xh+xNo/OXQuCvMlBGCc7XycQhLrMmk3zr/kWiLVtMDyUpl7azUpGJgXeyjuAO5RaGwhlVWYtlyBp 4ok7asKyzV527kpJrf3A7dCV5giSgNbJzMD5t9xYgs0DUnnocvRhnxWEEtFChbbsvlax1qnRbpKUk bkAvX+zQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tOEqX-00000001gao-3JBD; Thu, 19 Dec 2024 11:37:37 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tOEop-00000001gLj-1yZd for linux-arm-kernel@lists.infradead.org; Thu, 19 Dec 2024 11:35:52 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id EB0C75C639B; Thu, 19 Dec 2024 11:35:08 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D0D73C4CED4; Thu, 19 Dec 2024 11:35:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1734608150; bh=7Bf8FukrWOX7iakz2zyDaB6+PLWUvkQAW1pv19GUuP4=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=S0lTBxqSH4dk8Jaxu6bmLsvrjFGS0RSyoPYmUspwj4JHI8eZKXOaOG59neGG/SQwd 0GpiM1BoSligsS6mQlHgQ26crS9UJXjqiN050jOVWfFBjO3a/ME1OyyioRXjFeLtZp rwFQ2JKinfkM6iDUy37yZctI4Qh6/APqgRh8sF5reJsPOrxkbMpclVIeBxkY7A/xH9 b58LkCYHiFOR6kDTzHKaiujXyCeDICsCCWRlNl6n5tuvqJ+c2mlWL3mbxCGeoizt8s yLMHYMFdmAZdfYWxUfXFkQ6eYNmI/4gjgjIBEaBKaFsKhL/AYGZj8OpJRIbd37HYdt UH0Dcj7TZf8+g== Message-ID: <15f4ebe2-a148-4927-8f01-2fcd414d480f@kernel.org> Date: Thu, 19 Dec 2024 12:35:43 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 2/2] coresight: Add label sysfs node support To: Jinlong Mao , Suzuki K Poulose , Mike Leach , James Clark , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Mathieu Poirier , Bjorn Andersson , Konrad Dybcio Cc: coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org References: <20241217063324.33781-1-quic_jinlmao@quicinc.com> <20241217063324.33781-3-quic_jinlmao@quicinc.com> <985d234c-e088-469d-b9dc-7904fcf5a91c@arm.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241219_033551_592483_89B54A11 X-CRM114-Status: GOOD ( 12.64 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 18/12/2024 10:57, Jinlong Mao wrote: > > > On 2024/12/18 17:38, Suzuki K Poulose wrote: >> On 17/12/2024 06:33, Mao Jinlong wrote: >>> For some coresight components like CTI and TPDM, there could be >>> numerous of them. From the node name, we can only get the type and >>> register address of the component. We can't identify the HW or the >>> system the component belongs to. Add label sysfs node support for >>> showing the intuitive name of the device. >>> >>> Signed-off-by: Mao Jinlong >>> --- >>>   .../testing/sysfs-bus-coresight-devices-cti   |  6 ++++ >>>   .../sysfs-bus-coresight-devices-funnel        |  6 ++++ >>>   .../testing/sysfs-bus-coresight-devices-tpdm  |  6 ++++ >>>   drivers/hwtracing/coresight/coresight-sysfs.c | 32 +++++++++++++++++++ >>>   4 files changed, 50 insertions(+) >> >> Do you think we need to name the devices using the label ? Or is this >> enough ? >> >> Suzuki > Hi Suzuki, > > In my opinion, we should use label as the device name. As Linux device driver name? No, that's not the point of label. We don't do such stuff, nowhere. Best regards, Krzysztof