David Stevens 42a437de5e devices: cmos: implement rtc alarm ... Implement CMOS alarm functionality. This allows guests to set rtc alarms, which is useful when putting a Linux guest into s2idle. This change allocates a dedicated interrupt for the goldfish battery, instead of reusing the sci irq. Sharing an irq line between a wakeup interrupt and a non-wakeup interrupt doesn't work well because the non-wakeup interrupt won't be delivered to its driver while the driver is suspended, which results in the irq being permanently asserted. Simply using a dedicated interrupt for the goldfish battery is much easier than adding suspend/resume support to the Linux driver. BUG=None TEST=cargo test -p devices cmos, manual tests w/rtcwake Change-Id: I757acc64b61e414d5d9df5a1fb4770943ef985bf Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/4314184 Reviewed-by: Elie Kheirallah <khei@google.com> Reviewed-by: Daniel Verkamp <dverkamp@chromium.org> Commit-Queue: David Stevens <stevensd@chromium.org>		2023-03-09 01:27:16 +00:00
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src	devices: cmos: implement rtc alarm	2023-03-09 01:27:16 +00:00
Cargo.toml