Re: (tiny) patch review: return if RTC diag fails

[Martin Husemann <martin%duskware.de@localhost>]

On Thu, Feb 13, 2025 at 08:11:29PM +0100, Manuel Bouyer wrote:
> Are you suggecting that we should find another way to detect if the
> mc146818 is present ? AFAIK it's the other way round: unless we know it's
> not present (because e.g. we're in an environnement known to not have
> it like some hypervisors or emulators) we have to assume it's present
> (because it's a mandatory part of the hardware).

With newer ACPI version this is no longer the case (and windows does
not require it anymore). Many mainboards do not emulate the legacy "AT"
interface any more but use modern I2C connected clocks + nvram instead.

Martin