Re: [PATCH v6 2/4] virtio_rtc: Add PTP clocks

: 9d8960672d63db4b3b04542f5622748b345c637a patch link: https://lore.kernel.org/r/20250313173707.1492-3-quic_philber%40quicinc.com patch subject: [PATCH v6 2/4] virtio_rtc: Add PTP clocks config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20250319/202503190602.ielwb74j-...@intel.com/config) compiler: sparc64

[PATCH v6 2/4] virtio_rtc: Add PTP clocks

Expose the virtio_rtc clocks as PTP clocks to userspace, similar to ptp_kvm. virtio_rtc can expose multiple clocks, e.g. a UTC clock and a monotonic clock. Userspace should distinguish different clocks through the name assigned by the driver. In particular, UTC-like clocks can also be distinguishe