From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 71FC02F6932; Thu, 30 Oct 2025 05:54:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761803647; cv=none; b=KEhN6vHnBiDx0Y5fXq46l87smVSSvRyMTO/LBINNFsp9Zz8/J9/MYf/Bltt9UykSqVFB61jRDvysmDmk3Zi9yZx9AZ8bGJGAFmI1RFSBqTe+ypRyoq1dCq7xx5ggM7vhtAnNRHTy6KU7AfHVcZwwUXHCsGvdaJ07Z/VufA12kX8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761803647; c=relaxed/simple; bh=LyxL8fo5dc8kaxORDVJe1+RbPJaq5z+vxRxbBZln3rQ=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=ah+fFZuLWHfV/1eIr7eJOzVDxlzbvQGb/YF9zbyb5suMylPg+sCjsOTZRfE7SCCP5EJWiUZXczpkQnemVPCV7wGLXG+QvBi3C7b5mlwQbH5NnBJs5+VeDdnGCTrGb6TdSRA5Oztm/j4BmWutDef/e501zfQvH9w0yIkaaiFXuHw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=QcEJxRSD; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="QcEJxRSD" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9F114C4CEFB; Thu, 30 Oct 2025 05:54:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1761803644; bh=LyxL8fo5dc8kaxORDVJe1+RbPJaq5z+vxRxbBZln3rQ=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=QcEJxRSDnWTa643sfFv6o+6dXlAzFfmq8cEIeUhvw4KhjreTnE2sho0qfIZD3eI13 nJBcI8Og8Hd1KsMOmJDaeDB2R74x4Sa5uqWccXxIkL0PtCk8bhwCXujG8WE8bHLAYq DOq4dXP9pyBLeFqWRFpVkW4sKfHQylKXf1TK577gL7PPBgKGRj4AL8ZLiPH/auIFOP hkkByfEuFwsYx7VC09LvSp3KGVL47rIs+zvTVOYb+1UAdg4QevLvC46w56wJ6fU+N+ 8u/6wRwu8CzuM7gX6PBFXuGP6YxYPi6RVTkEVSEJaExTigx7x9C2u0P5+F6gUJsW3Z MiesTI41Ugl4A== Message-ID: <5468378e-3ca3-45d2-98bf-9388005bba85@kernel.org> Date: Thu, 30 Oct 2025 06:53:59 +0100 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 2/2] dt-bindings: mailbox: qcom: Add IPCC support for Glymur Platform To: Bjorn Andersson Cc: Jingyi Wang , Manivannan Sadhasivam , Jassi Brar , Rob Herring , Krzysztof Kozlowski , Conor Dooley , aiqun.yu@oss.qualcomm.com, tingwei.zhang@oss.qualcomm.com, trilok.soni@oss.qualcomm.com, yijie.yang@oss.qualcomm.com, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Sibi Sankar References: <20251029-knp-ipcc-v2-0-8ba303ab82de@oss.qualcomm.com> <20251029-knp-ipcc-v2-2-8ba303ab82de@oss.qualcomm.com> <67038d9f-7c6c-4bb3-ba64-b06816b76be7@kernel.org> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 29/10/2025 18:23, Bjorn Andersson wrote: > On Wed, Oct 29, 2025 at 04:49:30PM +0100, Krzysztof Kozlowski wrote: >> On 29/10/2025 09:15, Jingyi Wang wrote: >>> diff --git a/include/dt-bindings/mailbox/qcom,glymur-ipcc.h b/include/dt-bindings/mailbox/qcom,glymur-ipcc.h >>> new file mode 100644 >>> index 000000000000..3ab8189974a5 >>> --- /dev/null >>> +++ b/include/dt-bindings/mailbox/qcom,glymur-ipcc.h >>> @@ -0,0 +1,68 @@ >>> +/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */ >>> +/* >>> + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries. >>> + */ >>> + >>> +#ifndef __DT_BINDINGS_MAILBOX_IPCC_GLYMUR_H >>> +#define __DT_BINDINGS_MAILBOX_IPCC_GLYMUR_H >>> + >>> +/* Glymur physical client IDs */ >>> +#define IPCC_MPROC_AOP 0 >> >> >> Here the same - not used by Linux. > > How is this different from e.g.: > > include/dt-bindings/interrupt-controller/arm-gic.h:#define GIC_SPI 0 $ git grep GIC_SPI drivers/irqchip/irq-mchp-eic.c How is this not used by Linux? What is drivers/irqchip/foo.c if not a Linux driver? > > Perhaps I'm misunderstanding what you're saying here. > >> Don't add these, they are really not >> necessary and they are not helping anyhow. For longer explanation see 2 >> year thread for PMIC ADC v7. >> > > I'm sorry, I'm not able to wrangle a lore query for this, can you please > provide a link? "adc v7 qcom" and then my last two or three replies in that thread: https://lore.kernel.org/all/d7627a5d-893a-4bc3-8b67-c151ee0bea32@kernel.org/ > >> Or provide explanation in terms what Linux interface you are binding >> here (please focus on Linux or other SW). >> > > Don't we use include/dt-bindings to define hardware constants for use in No, we do not. > dt source as well? Has this changed? Yes, 5 years ago or more when we noticed people do it unnecessarily. You know, it is difficult to notice it, because we look at bindings and they seem fine. Finding that something is not used requires more effort which we usually do not care. I have few bookmarks but not necessarily the earliest, just something I managed to find because people ask the same: 2014 (so more than 5 years ago!): https://lore.kernel.org/all/201401111415.29395.arnd@arndb.de/ A bit newer: https://lore.kernel.org/linux-devicetree/CAK8P3a0fDJQvGLEtG0fxLkG08Fh9V7LEMPsx4AaS+2Ldo_xWxw@mail.gmail.com/ https://lore.kernel.org/linux-devicetree/CAK8P3a1APzs74YTcZ=m43G3zrmwJZKcYSTvV5eDDQX-37UY7Tw@mail.gmail.com/ https://lore.kernel.org/linux-devicetree/418c5f0c-5279-41f5-3705-345ec9a97ea2@linaro.org/ https://lore.kernel.org/linux-devicetree/c088e01c-0714-82be-8347-6140daf56640@linaro.org/ https://lore.kernel.org/linux-devicetree/579a1569-7bba-491f-ba5e-7cfcb34ccc1f@linaro.org/ Best regards, Krzysztof