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Mon, 02 Nov 2026 20:38:28 +0530 Message-ID: <73c1a319-477a-4695-8aba-7b1e401aa10d@roeck-us.net> Date: Mon, 2 Nov 2026 07:08:27 -0800 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 6/6] hwmon: (peci/dimmtemp) Add support for Granite Rapids (GNR) To: "Winiarska, Iwona" , "changhuang.liang@starfivetech.com" Cc: "linux-hwmon@vger.kernel.org" , "devicetree@vger.kernel.org" , "robh@kernel.org" , "linux-kernel@vger.kernel.org" , "krzk+dt@kernel.org" , "p.zabel@pengutronix.de" , "conor+dt@kernel.org" , "openbmc@lists.ozlabs.org" References: <20261019114502.55307-1-changhuang.liang@starfivetech.com> <20261019114502.55307-7-changhuang.liang@starfivetech.com> <215a0b5a-9fda-4bce-bff5-b9e4bb5c3928@roeck-us.net> <2dca8ff44c92473a5cf461df6bd838ee5d87d066.camel@intel.com> Content-Language: en-US From: Guenter Roeck Autocrypt: addr=linux@roeck-us.net; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - bh-25.webhostbox.net X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - roeck-us.net X-BWhitelist: no X-Source-IP: 108.223.40.66 X-Source-L: No X-Exim-ID: 1xNte8-00000003tmt-2aOq X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: 108-223-40-66.lightspeed.sntcca.sbcglobal.net [108.223.40.66]:52064 X-Source-Auth: guenter@roeck-us.net X-Email-Count: 25 X-Org: HG=direseller_whb_net_legacy;ORG=directi; X-Source-Cap: cm9lY2s7YWN0aXZzdG07YmgtMjUud2ViaG9zdGJveC5uZXQ= X-Local-Domain: yes X-CMAE-Envelope: MS4xfDxB3gI3rG7P5yjBTJNQ9idLqPMwnq18X91ZaFzQ09cRKY6XyTrGDzK+oBbAgZ4ru7v/0jKKqEhEB7QJMTIN/cTFFcjNWpKEsBjc7wipE6TohHxMWKix CH+OSytqdD6OwcbSlrdukfCqjWB56LUsZXj8SqFJKM/Kb5hHiE1n9FzMlWr07q048uOmizdcekE6R7twxDx2mNiX2mgtTUioIM7DQM1Xjcd/HMNOwOfDjHZV On 11/2/26 01:57, Winiarska, Iwona wrote: > On Fri, 2026-10-30 at 12:56 -0700, Guenter Roeck wrote: >> On Mon, Oct 19, 2026 at 04:45:02AM -0700, Changhuang Liang wrote: >>> Add support for Granite Rapids (GNR) platform in PECI DIMM temperature >>> monitoring driver. >>> >>> The GNR platform has different DIMM topology from previous generations, >>> with 12 channel ranks (CHAN_RANK_MAX_ON_GNR) and 2 DIMM indexes per >>> channel. Define these new constants and update CHAN_RANK_MAX to use >>> the GNR value since it represents the maximum across all supported >>> platforms. >>> >>> Since the current peci core does not support domains, accessing GNR's >>> DIMM_TEMP_MAX and DIMM_TEMP_CRIT via PECI commands will be rejected >>> and return completion code 0x90 (invalid request). To handle this, the >>> read_thresholds callback is not defined for GNR, and the visibility >>> logic is updated to skip exposing the max and crit temperature >>> attributes. >>> >>> The minimum PECI revision required for GNR is 0x42. >>> >>> Signed-off-by: Changhuang Liang >>> Reviewed-by: Iwona Winiarska >> >> Acked-by: Guenter Roeck > > Hi Guenter! > > Could you please take the hwmon changes through your tree? > Done. Thanks, Guenter