From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=35.89.44.37 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793631879; b=L54vQdoSJJFVdAb9ndnwRX/2KvaAlUDNClAkKVKZdIwla7N/XB2HC9jcv4u7f8UVHRjc joZV5x/PvLWFyZz3e3l93p1Srw2CloaMZVSOT/HX1EobNUuR3gGt2yYpCgT8YhdLHgCOM an8z3qGAqIdxRe5mg+8McxZfrx5RP+MwlCg0xiTQmh00pfe6diweq/31vL1RCi+EHVu99 +GiF2h942Ayxg81RVF5hgQ5Qzsk76H51JLOPlh83lvtIvr8KvG3u1dUTzimQfMZVClNWk ArBOfI/gEnVprRAb9Kloh1upCuxSPKDGOxrlUWWe7o+x+nr+Gqne55giAfCfx5GA5vg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793631879; h=DMARC-Filter:Received:Received:X-Authority-Analysis:DKIM-Signature: Received:Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To:X-AntiAbuse:X-AntiAbuse: X-AntiAbuse:X-AntiAbuse:X-AntiAbuse:X-BWhitelist:X-Source-IP: X-Source-L:X-Exim-ID:X-Source:X-Source-Args:X-Source-Dir: X-Source-Sender:X-Source-Auth:X-Email-Count:X-Org:X-Source-Cap: X-Local-Domain:X-CMAE-Envelope; bh=v/EFnPHaPvgzAcdCipbZrXu35F80MQk6sO8AjpoOnik=; b=VhcgzY1RkLhA9ff1iZYbMtQwUcJIwr9FEjvsfhjRIKG7G679VpcBifVDuuwy4kPeEwJ/ YxLuDaeyKNkMAmsPJ4cxh0htA6WKiJ5G1QeF5CDLDIbi8lZuURb0enX07wFqVkg0li7qT V7AwhH5HiODk9E8r+z2T5f33ysrkaIimXZacTE9O8onhwzLG4QCMELyVK4c7WRRRBaycj oJX/WtsWDSY+K6l6NKWGc8uy8ODJMIHVH5ZrO6PTmMYjdbTujvajCIgNDRYRZmxPMyZN7 qc3ahlFAEjBEjsfESbV1GDNF+T/dgbspeRxnhVfHdwH1CnPJiK7AXtvynz3TGO6PIug== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none header.from=roeck-us.net; spf=fail smtp.mailfrom=roeck-us.net; dkim=pass header.d=roeck-us.net header.i=@roeck-us.net header.a=rsa-sha256 header.s=default header.b="cCMN/SxS"; arc=none smtp.remote-ip=35.89.44.37 Received: from omta38.uswest2.a.cloudfilter.net (omta38.uswest2.a.cloudfilter.net [35.89.44.37]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EDFD1606ABA0 for ; Mon, 2 Nov 2026 15:04:38 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org EDFD1606ABA0 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=roeck-us.net Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=roeck-us.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=roeck-us.net header.i=@roeck-us.net header.a=rsa-sha256 header.s=default header.b=cCMN/SxS Received: from eig-obgw-6006b.ext.cloudfilter.net ([10.0.30.211]) by cmsmtp with ESMTPS id NrRMxMheAv0ndNtaQx7lBf; Mon, 02 Nov 2026 15:04:38 +0000 Received: from 162-215-252-36.unifiedlayer.com ([208.91.199.152]) by cmsmtp with ESMTPS id NtaPxU8hksTgvNtaQxmGXe; Mon, 02 Nov 2026 15:04:38 +0000 X-Authority-Analysis: v=2.4 cv=DPiP4zNb c=1 sm=1 tr=0 ts=6ae8a686 a=QNED+QcLUkoL9qulTODnwA==:117 a=2cfIYNtKkjgZNaOwnGXpGw==:17 a=kj9zAlcOel0A:10 a=zJRp6_cAMcgA:10 a=M0FbrtG7MMAA:10 a=Bq6zwJu1AAAA:8 a=QyXUC8HyAAAA:8 a=4TTe3KnR3ll1BDOd3XsA:9 a=CjuIK1q_8ugA:10 a=KQ6X2bKhxX7Fj2iT9C4S:22 a=KPbNTLLc3YvdawN95zVk:22 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=roeck-us.net; s=default; h=In-Reply-To:Content-Type:MIME-Version:References :Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To:Content-Transfer-Encoding :Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Unsubscribe-Post:List-Subscribe:List-Post:List-Owner:List-Archive; bh=v/EFnPHaPvgzAcdCipbZrXu35F80MQk6sO8AjpoOnik=; b=cCMN/SxSENgXHDe8PRaAlYC6+t 0APyhf//lb8VK7INlVcDcbNunKqjoBmZw9POU7N2ZEJOfZzs0n/fL3/2VnyRtyxuXn6ho5r76MULT 9z/2B4Pl0OzgKIPBzOvVoxntj43237ma5fBsSW0bvJzcSdhSeYqbL+2iIwXO8fbQWXaWj1YquYKWm fkG8T7VgyUTa4IIVxgLyOBsCQSMusx+s3tId3FMmESQBA5ltKLENnNnEvcAqrFfOWU3/aYxVrmgwM Huv6l9Q8xpFhV3dascxv7cZLKn+eD/T1TqnW4QePVz53gCJVJrJVnWTWB3mFX3cTlNfGSU57RPQAk C49z5Jtw==; Received: from 108-223-40-66.lightspeed.sntcca.sbcglobal.net ([108.223.40.66]:58654 helo=server.roeck-us.net) by bh-25.webhostbox.net with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.100.1) (envelope-from ) id 1xNtaP-00000003ql9-1v2S; Mon, 02 Nov 2026 20:34:37 +0530 Date: Mon, 2 Nov 2026 07:04:36 -0800 From: Guenter Roeck To: Changhuang Liang Cc: Iwona Winiarska , Rob Herring , Krzysztof Kozlowski , Conor Dooley , openbmc@lists.ozlabs.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-hwmon@vger.kernel.org, Philipp Zabel Subject: Re: [PATCH v4 6/6] hwmon: (peci/dimmtemp) Add support for Granite Rapids (GNR) Message-ID: <8848aee0-9bdd-49c3-8b51-03eeab488bfa@roeck-us.net> References: <20261019114502.55307-1-changhuang.liang@starfivetech.com> <20261019114502.55307-7-changhuang.liang@starfivetech.com> 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 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261019114502.55307-7-changhuang.liang@starfivetech.com> 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: 1xNtaP-00000003ql9-1v2S X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: 108-223-40-66.lightspeed.sntcca.sbcglobal.net (server.roeck-us.net) [108.223.40.66]:58654 X-Source-Auth: guenter@roeck-us.net X-Email-Count: 14 X-Org: HG=direseller_whb_net_legacy;ORG=directi; X-Source-Cap: cm9lY2s7YWN0aXZzdG07YmgtMjUud2ViaG9zdGJveC5uZXQ= X-Local-Domain: yes X-CMAE-Envelope: MS4xfACTpI+rObBbJj1K8R/vD/D+p6aOKjTR6xwuWnz6QeU2rqlBuTHtze6KFdgst9pYDhzeI5FLixtan4tGDXyFDGkF1e5BKxB2X3sFXURfEUl6SQ+vR5iM dn6q1VPWPflv6ZTt/qxatY04t3dIhR4nTB+U+3v9hJ36m1eeYH2u4Gws5Vhk1WuOhj9UCAT3LjRgdbc2dgCO5/I6CN7W7mZ1o/8Jls3ISPSLySJ6MvonJVID 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 Applied. Thanks, Guenter