Re: [PATCH v3 0/2] Add driver for Intel Over-Clocking Watchdog

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Mon, Mar 17, 2025 at 10:55:05AM +0000, Diogo Ivo kirjoitti:

+ Mika

> This series adds a driver for the Intel Over-Clocking Watchdog found in
> the Intel Platform Controller Hub (PCH).
> 
> This watchdog is controlled via a simple single-register interface and
> would otherwise be standard except for the presence of a LOCK bit that
> can only be set once per power cycle, needing extra handling around it.
> 
> Due to the way these devices are described in ACPI tables with both the
> generic PNP0C02 CID and a more detailed ACPI HID we also need to add
> their HIDs to the list of known non-PNP devices. As there are several HIDs
> for what seems to be essentially the same hardware but I don't know all
> the possible HIDs this series does not include an exhaustive list of all
> such HIDs, only those that I could personally test.

This doesn't describe why we need the driver. We have established ACPI WDAT
table. Can't you utilise it by providing in the firmware?

-- 
With Best Regards,
Andy Shevchenko






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