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Mon, 12 Jan 2026 16:02:05 -0800 (PST) Sender: Guenter Roeck Date: Mon, 12 Jan 2026 16:02:04 -0800 From: Guenter Roeck To: Laveesh Bansal Cc: Jonathan Corbet , linux-hwmon@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/2] hwmon: (coretemp) Add TjMax for Silvermont through Tremont Atoms Message-ID: References: <20260106155426.547872-1-laveeshb@laveeshbansal.com> <20260106155426.547872-3-laveeshb@laveeshbansal.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260106155426.547872-3-laveeshb@laveeshbansal.com> On Tue, Jan 06, 2026 at 03:54:26PM +0000, Laveesh Bansal wrote: > Add fallback TjMax values for Intel Atom processors based on Silvermont, > Airmont, Goldmont, and Tremont microarchitectures. These processors > support MSR_IA32_TEMPERATURE_TARGET for reading TjMax directly, so these > table entries serve as fallback values only when the MSR read fails > (e.g., in some virtualization scenarios). > > Added processors and TjMax values: > > - INTEL_ATOM_SILVERMONT (0x37, Bay Trail): > - Stepping 9 (E38xx embedded): 110C > - Other steppings (Z37xx tablet): 90C > Stepping identified from Intel E3800 Specification Update. > > - INTEL_ATOM_SILVERMONT_MID (0x4a, Merrifield): 90C > > - INTEL_ATOM_SILVERMONT_MID2 (0x5a, Moorefield): 90C > > - INTEL_ATOM_AIRMONT (0x4c, Cherry Trail): 90C > > - INTEL_ATOM_GOLDMONT (0x5c, Apollo Lake): 105C > > - INTEL_ATOM_GOLDMONT_PLUS (0x7a, Gemini Lake): 105C > > - INTEL_ATOM_TREMONT (0x96, Elkhart Lake): 105C > > - INTEL_ATOM_TREMONT_L (0x9c, Jasper Lake): 105C > > Not included (MSR reads work reliably, server/specialized chips): > - INTEL_ATOM_SILVERMONT_D (Avoton): Server, Tcase 97C > - INTEL_ATOM_GOLDMONT_D (Denverton): Server, Tcase 82C > - INTEL_ATOM_AIRMONT_NP (Lightning Mountain): Network processor > - INTEL_ATOM_TREMONT_D (Jacobsville): Server > - INTEL_ATOM_GRACEMONT (Alder Lake-N): Very new, MSR works > > Reference: Intel datasheets and ARK processor specifications > - Z3600/Z3700 datasheet: https://www.intel.com/content/dam/www/public/us/en/documents/datasheets/atom-z36xxx-z37xxx-datasheet-vol-1.pdf > - E3845 ARK: https://www.intel.com/content/www/us/en/products/sku/78475/intel-atom-processor-e3845-2m-cache-1-91-ghz/specifications.html > - E3800 Spec Update: https://community.intel.com/cipcp26785/attachments/cipcp26785/embedded-atom-processors/4708/1/600834-329901-intel-atom-processor-e3800-product-family-su-rev015.pdf > > Signed-off-by: Laveesh Bansal Applied. Thanks, Guenter