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 57116CE8E74 for ; Thu, 24 Oct 2024 13:31:06 +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=mIEpjU+3IgtnLd7LrZmVZXJG1YSY/AnT8I+va3htZAg=; b=C0WQA/WyMoXkmxVK6bU7VVN1YF BUL9MBGM6LbQzRB5CHRQOJkeaGQ3ZLTMQBaMq+f50SCePW2c2Ps3/p0X0fs+wgeSPGeGyQtwMFeiS dVOGBPZgdCI2CsehVquoJC5Khk4f2Z11Jy7Ay1fZtcjKaAbfrXwlerjBis1yahW74l5gScH0WcqKo fDBgwKwF3R7gjudHDf4QqquhUSih1dDMo6GtikQJV8yTmPUg5QRfIWLVtcVB82V2nv6GISQtOIPsP iieT2rlhsuC03zYnqpqyyqGJK7fTdKZALX89K76FXsjfpyYwCbLIoO+UeqTwVvyVtGuW5yD2mhZgB XHB8YwAA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t3xvR-00000000WfF-2KXe; Thu, 24 Oct 2024 13:30:53 +0000 Received: from nyc.source.kernel.org ([147.75.193.91]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1t3xtq-00000000WBj-0Lpj for linux-arm-kernel@lists.infradead.org; Thu, 24 Oct 2024 13:29:15 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id CA603A4550B; Thu, 24 Oct 2024 13:29:03 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E5BECC4CECC; Thu, 24 Oct 2024 13:29:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1729776552; bh=hjwnZO/GQ8Kpe+e4WVdWEn7tIWB48Xt11zIZDjxDOCk=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=A15qv7CpW0XdUy0tHwrOFTyiASDHaeNZCy9bWSeoGwmt2LMrJYjMMZB/mrdWHdUZl 5r6daXX/q6r5R/0jAp5b/ipXIlM4WjWF56byNK64TEn/WprgW5wyj+GBTi6S9erJPS RMD7QTlR12Bc8kFd2J7/8BiS4EM18lX4MeXR5J53+ySu/10NgbOVIhXTh3qP/Ss7t7 eFbDXmuKsb50GLRH5SyyJkmKMbsh0KMzebP37YeUgmM/hD4q/HoSyHS5i+SqyGltQF QG8oNEo0YhBitkyLrNMhKrd39yZ00CUQfOrWB6HKsiTjO9CG8FN8vricwVKh7eApQm rkmU4tCAFv/kA== Message-ID: <170597c7-b8aa-4744-a44d-db5585545704@kernel.org> Date: Thu, 24 Oct 2024 15:29:05 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH V4 1/5] dt-bindings: firmware: Document bindings for QCOM SCMI Generic Extension To: Sibi Sankar , Dmitry Baryshkov Cc: sudeep.holla@arm.com, cristian.marussi@arm.com, andersson@kernel.org, konrad.dybcio@linaro.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, quic_rgottimu@quicinc.com, quic_kshivnan@quicinc.com, conor+dt@kernel.org, arm-scmi@vger.kernel.org References: <20241007061023.1978380-1-quic_sibis@quicinc.com> <20241007061023.1978380-2-quic_sibis@quicinc.com> <3765cf3d-8477-45a7-af0e-b0c78f41eaad@kernel.org> <0b297305-0141-208a-e414-fb7dc98317b9@quicinc.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241024_062914_286230_9FA1CE18 X-CRM114-Status: GOOD ( 12.01 ) 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 22/10/2024 09:25, Sibi Sankar wrote: > > > On 10/8/24 17:41, Krzysztof Kozlowski wrote: >> On 08/10/2024 14:10, Dmitry Baryshkov wrote: >>> On Tue, Oct 08, 2024 at 08:49:27AM GMT, Krzysztof Kozlowski wrote: >>>> On Mon, Oct 07, 2024 at 11:40:19AM +0530, Sibi Sankar wrote: >>>>> +/* >>>>> + * QCOM_MEM_TYPE_DDR_QOS supports the following states. >>>>> + * >>>>> + * %QCOM_DDR_LEVEL_AUTO: DDR operates with LPM enabled >>>>> + * %QCOM_DDR_LEVEL_PERF: DDR operates with LPM disabled >>>>> + */ >>>>> +#define QCOM_DDR_LEVEL_AUTO 0x0 >>>>> +#define QCOM_DDR_LEVEL_PERF 0x1 >>>> >>>> I could not find any driver using these. Can you point me to usage in >>>> the drivers? >>> >>> It's well hidden. These are the raw values used for DDR_QOS memory. >> >> So not a binding? Then these should be dropped. > > I am not sure why the term "well hidden" was even considered :( > The driver just reads them from dt and passes them along. If you > want the dt to list magic numbers 0/1 instead I can do that as well. > If these are used by FW, then it's fine, although please document it clearly in comment. Best regards, Krzysztof