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 22B0C2DA779; Fri, 21 Nov 2025 17:22:38 +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=1763745759; cv=none; b=hVq+MiITEF1f48zeMNlXhvXTSdSgRVUwV+I3lBq7d1pkRIDkdSs5TdMAZRk8cGstYV85a+RyLFd4dsd7Es3LBKf6XrK347cZfmBVKXSgKRfd2T/vCFs4YXrTC7fj5zqnvaWwGYt2LwvFyKZxOfDhZtrzvLg89iCO9yHT+tIEyMQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763745759; c=relaxed/simple; bh=+h/Yc1dp+CFDd2KN9AzZ5krPiFpi1l2fIrX/TdWsPiY=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=RuQJVR4pErvrPd7xCPqacKvj1pnqOApBJPVZYZ/o30t18rLPtOqOiIV26bAwXbXxAZdhPjPL8jqmphGqFJJ2iBYsxaIkM49EUy7ngRabbz7uTyP6A0jXWyhMbiHa4eEbFz7RJle2e3maOiZf+TUpIk7Zhu3+DMWm/vIOfNiPi58= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=FV5pDfBV; 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="FV5pDfBV" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0D175C4CEF1; Fri, 21 Nov 2025 17:22:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1763745758; bh=+h/Yc1dp+CFDd2KN9AzZ5krPiFpi1l2fIrX/TdWsPiY=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=FV5pDfBV2jcsTBz79mbt5JpGGRP/X4G560gmlcngXYzRsGfIbM+ZvL5KLTBtIhlLD PN2xJ5REsMsNWGlVLjeQdPPAjhj3zsRgkgpvMFkffUsGrbAWzHKHu2AJdmZ5kgxDp3 3BOIyx/M4oc+4azxtaORJCSDAGV6rw6ZkQyi1TJ7LAUpw64GiySSAEzjBM+dzS62Eb Jyw4q4fjh3N4F+bRveDoC589oWd8hVQU7WS1Pwz1xKHVvYfoasCTOKyBXUlW0xTemv +boYsnTURbA3mku4rsSbOEc+j4mmUyMWhTiDl1GLAadLk8TzhknO/maSWnKPRb2uji UKHZ92926CMaw== Message-ID: <88bfaf9f-4483-4bcd-b3a8-de453ce6417f@kernel.org> Date: Fri, 21 Nov 2025 18:22:31 +0100 Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 1/4] dt-bindings: vendor-prefixes: Add prefix for XuanTie To: Guo Ren , Conor Dooley Cc: cp0613@linux.alibaba.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, pjw@kernel.org, palmer@dabbelt.com, aou@eecs.berkeley.edu, peterz@infradead.org, mingo@redhat.com, acme@kernel.org, namhyung@kernel.org, mark.rutland@arm.com, alexander.shishkin@linux.intel.com, jolsa@kernel.org, irogers@google.com, adrian.hunter@intel.com, james.clark@linaro.org, devicetree@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org References: <20251121063439.2545-1-cp0613@linux.alibaba.com> <20251121063439.2545-2-cp0613@linux.alibaba.com> <20251121-able-terrestrial-spaniel-90c3cf@kuoka> <20251121-shortlist-coroner-b29e19293b40@spud> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 8bit On 21/11/2025 14:01, Guo Ren wrote: > On Fri, Nov 21, 2025 at 8:31 PM Conor Dooley wrote: >> >> On Fri, Nov 21, 2025 at 10:01:07AM +0100, Krzysztof Kozlowski wrote: >>> On Fri, Nov 21, 2025 at 02:34:36PM +0800, cp0613@linux.alibaba.com wrote: >>>> From: Chen Pei >>>> >>>> Add new vendor strings to dt bindings for RISC-V vendor XuanTie. >>>> >>>> Signed-off-by: Chen Pei >>>> --- >>>> Documentation/devicetree/bindings/vendor-prefixes.yaml | 2 ++ >>>> 1 file changed, 2 insertions(+) >>>> >>>> diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml >>>> index f1d1882009ba..5d28b2da94cd 100644 >>>> --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml >>>> +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml >>>> @@ -1829,6 +1829,8 @@ patternProperties: >>>> description: Xilinx >>>> "^xnano,.*": >>>> description: Xnano >>>> + "^xuantie,.*": >>>> + description: C-SKY Microsystems Co., Ltd. (XuanTie) >>> >>> We do not create new prefixes for existing entries. You have already >>> csky, alibaba and thead and probably many more. Choose some appropriate. > We could leave the one C-SKY vendor entry, how about: > > --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml > +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml > @@ -347,8 +347,8 @@ patternProperties: > description: Creative Technology Ltd > "^crystalfontz,.*": > description: Crystalfontz America, Inc. > - "^csky,.*": > - description: Hangzhou C-SKY Microsystems Co., Ltd > + "^xuantie,.*": > + description: C-SKY Microsystems Co., Ltd. (XuanTie) > "^csot,.*": > description: Guangzhou China Star Optoelectronics Technology Co., Ltd > "^csq,.*": > > The arch/csky is the architecture name, which means "xuantie,csky". > > The c810 is the CPU product name, which means "xuantie,c810" of the > "xuantie,csky" architecture. > > The c930 is the CPU product name, which means "xuantie,c930". > >> >> When the vendor literally says "C-SKY", it's hard to buy why csky >> shouldn't be used here. Xuantie is described as being a brand, where at >> least t-head was a company. This seems akin to having >> "snapdragon,msm8660" instead of "qcom,msm8660", for example. > Yes, XuanTie is not only a brand, but also the abbreviation of C-SKY > Microsystems Co., Ltd. "XuanTie is a brand", so not suitable for vendor prefixes. https://www.xrvm.com/declaration What's more: <> So again c-sky. Best regards, Krzysztof