Re: [PATCH v1 0/2] rtc: cmos: Do not require IRQ if ACPI alarm is used

[Rafael J. Wysocki]

On Sat, Mar 14, 2026 at 1:13 PM Rafael J. Wysocki <rafael@xxxxxxxxxx> wrote:
>
> Hi All,
>
> This series of patches allows the CMOS RTC alarm to be used on x86
> systems that don't include a functional HPET and may not configure
> an IRQ for the CMOS RTC, but have a functional ACPI RTC fixed event.
>
> The first patch allows the ACPI RTC fixed event to be used on systems
> without functional HPET because there is no fundamental dependency
> between HPET and the ACPI RTC fixed event being hooked up to the CMOS
> RTC.
>
> The second patch changes the driver to stop requiring an IRQ to be
> configured for the alarm functionality if the ACPI RTC fixed event
> is use for signaling events because it require a separate IRQ to
> be requested (the ACPI SCI is used for event signaling in that case).

If anyone has any objections or concerns regarding these patches,
please let me know.

In the absence of any, I'll queue them up for 7.1 on top of the
previous CMOS RTC driver changes.

Thanks!