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Wysocki" , Len Brown , Eugene Shalygin Cc: Armin Wolf , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org References: <20261029-m9e-ec2-v2-0-e9c4e2ba8415@demangeot.net> Content-Language: en-US From: Guenter Roeck Autocrypt: addr=linux@roeck-us.net; keydata= xsFNBE6H1WcBEACu6jIcw5kZ5dGeJ7E7B2uweQR/4FGxH10/H1O1+ApmcQ9i87XdZQiB9cpN RYHA7RCEK2dh6dDccykQk3bC90xXMPg+O3R+C/SkwcnUak1UZaeK/SwQbq/t0tkMzYDRxfJ7 nyFiKxUehbNF3r9qlJgPqONwX5vJy4/GvDHdddSCxV41P/ejsZ8PykxyJs98UWhF54tGRWFl 7i1xvaDB9lN5WTLRKSO7wICuLiSz5WZHXMkyF4d+/O5ll7yz/o/JxK5vO/sduYDIlFTvBZDh gzaEtNf5tQjsjG4io8E0Yq0ViobLkS2RTNZT8ICq/Jmvl0SpbHRvYwa2DhNsK0YjHFQBB0FX IdhdUEzNefcNcYvqigJpdICoP2e4yJSyflHFO4dr0OrdnGLe1Zi/8Xo/2+M1dSSEt196rXaC kwu2KgIgmkRBb3cp2vIBBIIowU8W3qC1+w+RdMUrZxKGWJ3juwcgveJlzMpMZNyM1jobSXZ0 VHGMNJ3MwXlrEFPXaYJgibcg6brM6wGfX/LBvc/haWw4yO24lT5eitm4UBdIy9pKkKmHHh7s jfZJkB5fWKVdoCv/omy6UyH6ykLOPFugl+hVL2Prf8xrXuZe1CMS7ID9Lc8FaL1ROIN/W8Vk BIsJMaWOhks//7d92Uf3EArDlDShwR2+D+AMon8NULuLBHiEUQARAQABzTJHdWVudGVyIFJv ZWNrIChMaW51eCBhY2NvdW50KSA8bGludXhAcm9lY2stdXMubmV0PsLBgQQTAQIAKwIbAwYL CQgHAwIGFQgCCQoLBBYCAwECHgECF4ACGQEFAmgrMyQFCSbODQkACgkQyx8mb86fmYGcWRAA oRwrk7V8fULqnGGpBIjp7pvR187Yzx+lhMGUHuM5H56TFEqeVwCMLWB2x1YRolYbY4MEFlQg VUFcfeW0OknSr1s6wtrtQm0gdkolM8OcCL9ptTHOg1mmXa4YpW8QJiL0AVtbpE9BroeWGl9v 2TGILPm9mVp+GmMQgkNeCS7Jonq5f5pDUGumAMguWzMFEg+Imt9wr2YA7aGen7KPSqJeQPpj onPKhu7O/KJKkuC50ylxizHzmGx+IUSmOZxN950pZUFvVZH9CwhAAl+NYUtcF5ry/uSYG2U7 DCvpzqOryJRemKN63qt1bjF6cltsXwxjKOw6CvdjJYA3n6xCWLuJ6yk6CAy1Ukh545NhgBAs rGGVkl6TUBi0ixL3EF3RWLa9IMDcHN32r7OBhw6vbul8HqyTFZWY2ksTvlTl+qG3zV6AJuzT WdXmbcKN+TdhO5XlxVlbZoCm7ViBj1+PvIFQZCnLAhqSd/DJlhaq8fFXx1dCUPgQDcD+wo65 qulV/NijfU8bzFfEPgYP/3LP+BSAyFs33y/mdP8kbMxSCjnLEhimQMrSSo/To1Gxp5C97fw5 3m1CaMILGKCmfI1B8iA8zd8ib7t1Rg0qCwcAnvsM36SkrID32GfFbv873bNskJCHAISK3Xkz qo7IYZmjk/IJGbsiGzxUhvicwkgKE9r7a1rOwU0ETofVZwEQALlLbQeBDTDbwQYrj0gbx3bq 7kpKABxN2MqeuqGr02DpS9883d/t7ontxasXoEz2GTioevvRmllJlPQERVxM8gQoNg22twF7 pB/zsrIjxkE9heE4wYfN1AyzT+AxgYN6f8hVQ7Nrc9XgZZe+8IkuW/Nf64KzNJXnSH4u6nJM J2+Dt274YoFcXR1nG76Q259mKwzbCukKbd6piL+VsT/qBrLhZe9Ivbjq5WMdkQKnP7gYKCAi pNVJC4enWfivZsYupMd9qn7Uv/oCZDYoBTdMSBUblaLMwlcjnPpOYK5rfHvC4opxl+P/Vzyz 6WC2TLkPtKvYvXmdsI6rnEI4Uucg0Au/Ulg7aqqKhzGPIbVaL+U0Wk82nz6hz+WP2ggTrY1w ZlPlRt8WM9w6WfLf2j+PuGklj37m+KvaOEfLsF1v464dSpy1tQVHhhp8LFTxh/6RWkRIR2uF I4v3Xu/k5D0LhaZHpQ4C+xKsQxpTGuYh2tnRaRL14YMW1dlI3HfeB2gj7Yc8XdHh9vkpPyuT nY/ZsFbnvBtiw7GchKKri2gDhRb2QNNDyBnQn5mRFw7CyuFclAksOdV/sdpQnYlYcRQWOUGY HhQ5eqTRZjm9z+qQe/T0HQpmiPTqQcIaG/edgKVTUjITfA7AJMKLQHgp04Vylb+G6jocnQQX JqvvP09whbqrABEBAAHCwWUEGAECAA8CGwwFAmgrMyQFCSbODQkACgkQyx8mb86fmYHlgg/9 H5JeDmB4jsreE9Bn621wZk7NMzxy9STxiVKSh8Mq4pb+IDu1RU2iLyetCY1TiJlcxnE362kj njrfAdqyPteHM+LU59NtEbGwrfcXdQoh4XdMuPA5ADetPLma3YiRa3VsVkLwpnR7ilgwQw6u dycEaOxQ7LUXCs0JaGVVP25Z2hMkHBwx6BlW6EZLNgzGI2rswSZ7SKcsBd1IRHVf0miwIFYy j/UEfAFNW+tbtKPNn3xZTLs3quQN7GdYLh+J0XxITpBZaFOpwEKV+VS36pSLnNl0T5wm0E/y scPJ0OVY7ly5Vm1nnoH4licaU5Y1nSkFR/j2douI5P7Cj687WuNMC6CcFd6j72kRfxklOqXw zvy+2NEcXyziiLXp84130yxAKXfluax9sZhhrhKT6VrD45S6N3HxJpXQ/RY/EX35neH2/F7B RgSloce2+zWfpELyS1qRkCUTt1tlGV2p+y2BPfXzrHn2vxvbhEn1QpQ6t+85FKN8YEhJEygJ F0WaMvQMNrk9UAUziVcUkLU52NS9SXqpVg8vgrO0JKx97IXFPcNh0DWsSj/0Y8HO/RDkGXYn FDMj7fZSPKyPQPmEHg+W/KzxSSfdgWIHF2QaQ0b2q1wOSec4Rti52ohmNSY+KNIW/zODhugJ np3900V20aS7eD9K8GTU0TGC1pyz6IVJwIE= In-Reply-To: <20261029-m9e-ec2-v2-0-e9c4e2ba8415@demangeot.net> Content-Type: text/plain; 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: 1xMV3h-00000002uuh-235h X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: 108-223-40-66.lightspeed.sntcca.sbcglobal.net [108.223.40.66]:33238 X-Source-Auth: guenter@roeck-us.net X-Email-Count: 2 X-Org: HG=direseller_whb_net_legacy;ORG=directi; X-Source-Cap: cm9lY2s7YWN0aXZzdG07YmgtMjUud2ViaG9zdGJveC5uZXQ= X-Local-Domain: yes X-CMAE-Envelope: MS4xfIchhr3/e+AGefi42sSBu1r3aNfKMitx3c37oL27abRhpEIMhHJ/KX+qIPeEKqA4exBPqNwfcdjjKysPZT7DcfthYvxYaGc6xUAW1JypKa9Z+7j0E9eD 2+DW98LyEwp6BLuYUn1x3gPz/dvS4VQyscRBODeioJFWaVOPhX5k8zBnyx0ZC2NU3dx5a6v+D9CIY6M58SMgwLH68CX2ykuPGoaGjgksHidVOl+13D3wpL4Y On 10/29/26 00:48, Remy Demangeot via B4 Relay wrote: > This replaces patch 3/3 of the series "hwmon: (asus-ec-sensors) more > MAXIMUS IX EXTREME sensors" [1]. Patches 1/3 and 2/3 of that series > only use the main EC and are unchanged. > > Eugene asked to operate the second EC through drivers/acpi/ec.c rather > than re-implementing the EC protocol in the driver [2]. Patch 1 adds a > small API to ec.c for an EC that is not described in the ACPI tables: > acpi_ec_create_polled() / acpi_ec_destroy_polled() and byte accessors. > Such an EC only uses busy polling: no GPE, no IRQ, no query events and > no address space handler. Patch 2 uses it in asus-ec-sensors. > > To answer Armin's question [3]: no, this EC is not described in the > ACPI tables of this board (BIOS 1501). There is no PNP0C09 device for > it; only the WMI method \_SB.AMW0.WLDF writes to ports 0x68/0x6c > directly, without taking any lock. The other PNP0C09 device, H_EC, is > a reference-code stub whose _STA returns 0. > > Guenter, please drop v1 3/3: it sorted the sensor banks as signed Dropped, but please next time provide the patch subject. I understand you know what that was, but I already had 80 patches queued for 7.5, including five for this driver. I dropped what I _think_ was patch 3/3, which is the water temperature patch. If that is not what you intended, please resend everything that is not already in the mainline kernel. Guenter > values, so the second EC bank came first, the second EC was never set > up, and no sensor of the board could be read anymore. This is fixed in > patch 2 and was found while testing this series. > > Both patches were tested on a MAXIMUS IX EXTREME with Secure Boot > enabled: the four water temperatures read correctly, 300 > consecutive reads gave no error, and the I/O ports are released and > requested again when the module is reloaded. > > Patch 1 needs an ack from the ACPI side; patch 2 depends on it. > > [1] https://lore.kernel.org/r/20261026-b4-m9e-ext-sensors-v1-0-644d389b2de1@demangeot.net > [2] https://lore.kernel.org/r/CAB95QAQaogxV6KO5kpv9RBpzhhmH_N3Dvvy=nqWHOG6qAQB_aw@mail.gmail.com > [3] Armin Wolf, reply to v1 3/3, 28 Oct 2026 > > --- > Remy Demangeot (2): > ACPI: EC: allow drivers to create a polled EC > hwmon: (asus-ec-sensors) add water temperatures for MAXIMUS IX EXTREME > > drivers/acpi/ec.c | 89 ++++++++++++++++++++++++++++++++- > drivers/hwmon/asus-ec-sensors.c | 108 ++++++++++++++++++++++++++++++++++------ > include/linux/acpi.h | 8 +++ > 3 files changed, 189 insertions(+), 16 deletions(-) > --- > base-commit: b27578907b9dd74db5e9b397bf063c43719c162b > change-id: 20261029-m9e-ec2-68fad8c08d5a > > Best regards,