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Report RTC devices to libsystemd for device rules - #73

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JohnAmadis merged 1 commit into
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feat/rtc-device-class
Oct 16, 2026
Merged

JohnAmadis merged 1 commit into
mainfrom
feat/rtc-device-class

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@JaxCalder

@JaxCalder JaxCalder commented Oct 16, 2026 •

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Report RTC-capable VFS devices as class rtc to libsystemd, with their actual device paths. Probe generic GET_INFO even for an unset calendar, support report=rtc filtering, and report removal.

Validation: native ctest 10/10 targets, node-reporting diagnostic 11/11; Cortex-M7 build. STM32F746G-DISCO automatic dmutc@rtc startup after reset; UTC 6/6, RTC 12/12, RNG 6/6. Includes unset-calendar and report-mask tests. Uses released dmdrvi RTC ioctls.

Consumer: choco-technologies/dmutc#1

Related implementation PRs:

@JohnAmadis
JohnAmadis merged commit 0e6ef4f into main Oct 16, 2026
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2 participants